diff options
Diffstat (limited to 'drivers/clk/sunxi-ng')
43 files changed, 287 insertions, 134 deletions
diff --git a/drivers/clk/sunxi-ng/ccu-sun20i-d1-r.c b/drivers/clk/sunxi-ng/ccu-sun20i-d1-r.c index 9d3ffd3fb2c1..44b2ebdebdac 100644 --- a/drivers/clk/sunxi-ng/ccu-sun20i-d1-r.c +++ b/drivers/clk/sunxi-ng/ccu-sun20i-d1-r.c @@ -91,7 +91,7 @@ static struct clk_hw_onecell_data sun20i_d1_r_hw_clks = { }, }; -static struct ccu_reset_map sun20i_d1_r_ccu_resets[] = { +static const struct ccu_reset_map sun20i_d1_r_ccu_resets[] = { [RST_BUS_R_TIMER] = { 0x11c, BIT(16) }, [RST_BUS_R_TWD] = { 0x12c, BIT(16) }, [RST_BUS_R_PPU] = { 0x1ac, BIT(16) }, @@ -125,6 +125,7 @@ static const struct of_device_id sun20i_d1_r_ccu_ids[] = { { .compatible = "allwinner,sun20i-d1-r-ccu" }, { } }; +MODULE_DEVICE_TABLE(of, sun20i_d1_r_ccu_ids); static struct platform_driver sun20i_d1_r_ccu_driver = { .probe = sun20i_d1_r_ccu_probe, @@ -136,5 +137,6 @@ static struct platform_driver sun20i_d1_r_ccu_driver = { }; module_platform_driver(sun20i_d1_r_ccu_driver); -MODULE_IMPORT_NS(SUNXI_CCU); +MODULE_IMPORT_NS("SUNXI_CCU"); +MODULE_DESCRIPTION("Support for the Allwinner D1/R528/T113 PRCM CCU"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/sunxi-ng/ccu-sun20i-d1.c b/drivers/clk/sunxi-ng/ccu-sun20i-d1.c index 48a8fb2c43b7..bb66c906ebbb 100644 --- a/drivers/clk/sunxi-ng/ccu-sun20i-d1.c +++ b/drivers/clk/sunxi-ng/ccu-sun20i-d1.c @@ -1232,7 +1232,7 @@ static struct clk_hw_onecell_data sun20i_d1_hw_clks = { }, }; -static struct ccu_reset_map sun20i_d1_ccu_resets[] = { +static const struct ccu_reset_map sun20i_d1_ccu_resets[] = { [RST_MBUS] = { 0x540, BIT(30) }, [RST_BUS_DE] = { 0x60c, BIT(16) }, [RST_BUS_DI] = { 0x62c, BIT(16) }, @@ -1371,7 +1371,7 @@ static int sun20i_d1_ccu_probe(struct platform_device *pdev) /* Enforce m1 = 0, m0 = 0 for PLL_AUDIO0 */ val = readl(reg + SUN20I_D1_PLL_AUDIO0_REG); - val &= ~BIT(1) | BIT(0); + val &= ~(BIT(1) | BIT(0)); writel(val, reg + SUN20I_D1_PLL_AUDIO0_REG); /* Force fanout-27M factor N to 0. */ @@ -1394,6 +1394,7 @@ static const struct of_device_id sun20i_d1_ccu_ids[] = { { .compatible = "allwinner,sun20i-d1-ccu" }, { } }; +MODULE_DEVICE_TABLE(of, sun20i_d1_ccu_ids); static struct platform_driver sun20i_d1_ccu_driver = { .probe = sun20i_d1_ccu_probe, @@ -1405,5 +1406,6 @@ static struct platform_driver sun20i_d1_ccu_driver = { }; module_platform_driver(sun20i_d1_ccu_driver); -MODULE_IMPORT_NS(SUNXI_CCU); +MODULE_IMPORT_NS("SUNXI_CCU"); +MODULE_DESCRIPTION("Support for the Allwinner D1/R528/T113 CCU"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/sunxi-ng/ccu-sun4i-a10.c b/drivers/clk/sunxi-ng/ccu-sun4i-a10.c index 451ebb7c99a3..409feb085021 100644 --- a/drivers/clk/sunxi-ng/ccu-sun4i-a10.c +++ b/drivers/clk/sunxi-ng/ccu-sun4i-a10.c @@ -1382,7 +1382,7 @@ static struct clk_hw_onecell_data sun7i_a20_hw_clks = { .num = CLK_NUMBER_SUN7I, }; -static struct ccu_reset_map sunxi_a10_a20_ccu_resets[] = { +static const struct ccu_reset_map sunxi_a10_a20_ccu_resets[] = { [RST_USB_PHY0] = { 0x0cc, BIT(0) }, [RST_USB_PHY1] = { 0x0cc, BIT(1) }, [RST_USB_PHY2] = { 0x0cc, BIT(2) }, @@ -1481,6 +1481,7 @@ static const struct of_device_id sun4i_a10_ccu_ids[] = { }, { } }; +MODULE_DEVICE_TABLE(of, sun4i_a10_ccu_ids); static struct platform_driver sun4i_a10_ccu_driver = { .probe = sun4i_a10_ccu_probe, @@ -1492,5 +1493,6 @@ static struct platform_driver sun4i_a10_ccu_driver = { }; module_platform_driver(sun4i_a10_ccu_driver); -MODULE_IMPORT_NS(SUNXI_CCU); +MODULE_IMPORT_NS("SUNXI_CCU"); +MODULE_DESCRIPTION("Support for the Allwinner A10/A20 CCU"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a100-r.c b/drivers/clk/sunxi-ng/ccu-sun50i-a100-r.c index fddd6c877cec..cb0f8d110c32 100644 --- a/drivers/clk/sunxi-ng/ccu-sun50i-a100-r.c +++ b/drivers/clk/sunxi-ng/ccu-sun50i-a100-r.c @@ -166,7 +166,7 @@ static struct clk_hw_onecell_data sun50i_a100_r_hw_clks = { .num = CLK_NUMBER, }; -static struct ccu_reset_map sun50i_a100_r_ccu_resets[] = { +static const struct ccu_reset_map sun50i_a100_r_ccu_resets[] = { [RST_R_APB1_TIMER] = { 0x11c, BIT(16) }, [RST_R_APB1_BUS_PWM] = { 0x13c, BIT(16) }, [RST_R_APB1_PPU] = { 0x17c, BIT(16) }, @@ -202,6 +202,7 @@ static const struct of_device_id sun50i_a100_r_ccu_ids[] = { { .compatible = "allwinner,sun50i-a100-r-ccu" }, { } }; +MODULE_DEVICE_TABLE(of, sun50i_a100_r_ccu_ids); static struct platform_driver sun50i_a100_r_ccu_driver = { .probe = sun50i_a100_r_ccu_probe, @@ -213,5 +214,6 @@ static struct platform_driver sun50i_a100_r_ccu_driver = { }; module_platform_driver(sun50i_a100_r_ccu_driver); -MODULE_IMPORT_NS(SUNXI_CCU); +MODULE_IMPORT_NS("SUNXI_CCU"); +MODULE_DESCRIPTION("Support for the Allwinner A100 PRCM CCU"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a100.c b/drivers/clk/sunxi-ng/ccu-sun50i-a100.c index 5f93b5526e13..1f81c7ac41af 100644 --- a/drivers/clk/sunxi-ng/ccu-sun50i-a100.c +++ b/drivers/clk/sunxi-ng/ccu-sun50i-a100.c @@ -436,7 +436,7 @@ static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc0_clk, "mmc0", mmc_parents, 0x830, 24, 2, /* mux */ BIT(31), /* gate */ 2, /* post-div */ - CLK_SET_RATE_NO_REPARENT); + 0); static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc1_clk, "mmc1", mmc_parents, 0x834, 0, 4, /* M */ @@ -444,7 +444,7 @@ static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc1_clk, "mmc1", mmc_parents, 0x834, 24, 2, /* mux */ BIT(31), /* gate */ 2, /* post-div */ - CLK_SET_RATE_NO_REPARENT); + 0); static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc2_clk, "mmc2", mmc_parents, 0x838, 0, 4, /* M */ @@ -452,7 +452,7 @@ static SUNXI_CCU_MP_WITH_MUX_GATE_POSTDIV(mmc2_clk, "mmc2", mmc_parents, 0x838, 24, 2, /* mux */ BIT(31), /* gate */ 2, /* post-div */ - CLK_SET_RATE_NO_REPARENT); + 0); static SUNXI_CCU_GATE(bus_mmc0_clk, "bus-mmc0", "ahb3", 0x84c, BIT(0), 0); static SUNXI_CCU_GATE(bus_mmc1_clk, "bus-mmc1", "ahb3", 0x84c, BIT(1), 0); @@ -1061,7 +1061,7 @@ static struct clk_hw_onecell_data sun50i_a100_hw_clks = { .num = CLK_NUMBER, }; -static struct ccu_reset_map sun50i_a100_ccu_resets[] = { +static const struct ccu_reset_map sun50i_a100_ccu_resets[] = { [RST_MBUS] = { 0x540, BIT(30) }, [RST_BUS_DE] = { 0x60c, BIT(16) }, @@ -1264,6 +1264,7 @@ static const struct of_device_id sun50i_a100_ccu_ids[] = { { .compatible = "allwinner,sun50i-a100-ccu" }, { } }; +MODULE_DEVICE_TABLE(of, sun50i_a100_ccu_ids); static struct platform_driver sun50i_a100_ccu_driver = { .probe = sun50i_a100_ccu_probe, @@ -1275,5 +1276,6 @@ static struct platform_driver sun50i_a100_ccu_driver = { }; module_platform_driver(sun50i_a100_ccu_driver); -MODULE_IMPORT_NS(SUNXI_CCU); +MODULE_IMPORT_NS("SUNXI_CCU"); +MODULE_DESCRIPTION("Support for the Allwinner A100 CCU"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c index 8951ffc14ff5..ba1ad267f123 100644 --- a/drivers/clk/sunxi-ng/ccu-sun50i-a64.c +++ b/drivers/clk/sunxi-ng/ccu-sun50i-a64.c @@ -171,17 +171,21 @@ static struct ccu_nkm pll_mipi_clk = { * user manual, and by experiments the PLL doesn't work without * these bits toggled. */ - .enable = BIT(31) | BIT(23) | BIT(22), - .lock = BIT(28), - .n = _SUNXI_CCU_MULT(8, 4), - .k = _SUNXI_CCU_MULT_MIN(4, 2, 2), - .m = _SUNXI_CCU_DIV(0, 4), + .enable = BIT(31) | BIT(23) | BIT(22), + .lock = BIT(28), + .n = _SUNXI_CCU_MULT(8, 4), + .k = _SUNXI_CCU_MULT_MIN(4, 2, 2), + .m = _SUNXI_CCU_DIV(0, 4), + .max_m_n_ratio = 3, + .min_parent_m_ratio = 24000000, .common = { .reg = 0x040, .hw.init = CLK_HW_INIT("pll-mipi", "pll-video0", &ccu_nkm_ops, CLK_SET_RATE_UNGATE | CLK_SET_RATE_PARENT), .features = CCU_FEATURE_CLOSEST_RATE, + .min_rate = 500000000, + .max_rate = 1400000000, }, }; @@ -531,11 +535,11 @@ static SUNXI_CCU_M_WITH_MUX_GATE(de_clk, "de", de_parents, CLK_SET_RATE_PARENT); /* - * DSI output seems to work only when PLL_MIPI selected. Set it and prevent - * the mux from reparenting. + * Experiments showed that RGB output requires pll-video0-2x, while DSI + * requires pll-mipi. It will not work with incorrect clock, the screen will + * be blank. + * sun50i-a64.dtsi assigns pll-mipi as TCON0 parent by default */ -#define SUN50I_A64_TCON0_CLK_REG 0x118 - static const char * const tcon0_parents[] = { "pll-mipi", "pll-video0-2x" }; static const u8 tcon0_table[] = { 0, 2, }; static SUNXI_CCU_MUX_TABLE_WITH_GATE_CLOSEST(tcon0_clk, "tcon0", tcon0_parents, @@ -854,7 +858,7 @@ static struct clk_hw_onecell_data sun50i_a64_hw_clks = { .num = CLK_NUMBER, }; -static struct ccu_reset_map sun50i_a64_ccu_resets[] = { +static const struct ccu_reset_map sun50i_a64_ccu_resets[] = { [RST_USB_PHY0] = { 0x0cc, BIT(0) }, [RST_USB_PHY1] = { 0x0cc, BIT(1) }, [RST_USB_HSIC] = { 0x0cc, BIT(2) }, @@ -955,11 +959,6 @@ static int sun50i_a64_ccu_probe(struct platform_device *pdev) writel(0x515, reg + SUN50I_A64_PLL_MIPI_REG); - /* Set PLL MIPI as parent for TCON0 */ - val = readl(reg + SUN50I_A64_TCON0_CLK_REG); - val &= ~GENMASK(26, 24); - writel(val | (0 << 24), reg + SUN50I_A64_TCON0_CLK_REG); - ret = devm_sunxi_ccu_probe(&pdev->dev, reg, &sun50i_a64_ccu_desc); if (ret) return ret; @@ -978,6 +977,7 @@ static const struct of_device_id sun50i_a64_ccu_ids[] = { { .compatible = "allwinner,sun50i-a64-ccu" }, { } }; +MODULE_DEVICE_TABLE(of, sun50i_a64_ccu_ids); static struct platform_driver sun50i_a64_ccu_driver = { .probe = sun50i_a64_ccu_probe, @@ -989,5 +989,6 @@ static struct platform_driver sun50i_a64_ccu_driver = { }; module_platform_driver(sun50i_a64_ccu_driver); -MODULE_IMPORT_NS(SUNXI_CCU); +MODULE_IMPORT_NS("SUNXI_CCU"); +MODULE_DESCRIPTION("Support for the Allwinner A64 CCU"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-a64.h b/drivers/clk/sunxi-ng/ccu-sun50i-a64.h index a8c11c0b4e06..dfba88a5ad0f 100644 --- a/drivers/clk/sunxi-ng/ccu-sun50i-a64.h +++ b/drivers/clk/sunxi-ng/ccu-sun50i-a64.h @@ -21,7 +21,6 @@ /* PLL_VIDEO0 exported for HDMI PHY */ -#define CLK_PLL_VIDEO0_2X 8 #define CLK_PLL_VE 9 #define CLK_PLL_DDR0 10 @@ -32,7 +31,6 @@ #define CLK_PLL_PERIPH1_2X 14 #define CLK_PLL_VIDEO1 15 #define CLK_PLL_GPU 16 -#define CLK_PLL_MIPI 17 #define CLK_PLL_HSIC 18 #define CLK_PLL_DE 19 #define CLK_PLL_DDR1 20 diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c b/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c index 02b28cfc5525..acb4e8b9b1ba 100644 --- a/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c +++ b/drivers/clk/sunxi-ng/ccu-sun50i-h6-r.c @@ -179,7 +179,7 @@ static struct clk_hw_onecell_data sun50i_h616_r_hw_clks = { .num = CLK_NUMBER, }; -static struct ccu_reset_map sun50i_h6_r_ccu_resets[] = { +static const struct ccu_reset_map sun50i_h6_r_ccu_resets[] = { [RST_R_APB1_TIMER] = { 0x11c, BIT(16) }, [RST_R_APB1_TWD] = { 0x12c, BIT(16) }, [RST_R_APB1_PWM] = { 0x13c, BIT(16) }, @@ -190,7 +190,7 @@ static struct ccu_reset_map sun50i_h6_r_ccu_resets[] = { [RST_R_APB1_W1] = { 0x1ec, BIT(16) }, }; -static struct ccu_reset_map sun50i_h616_r_ccu_resets[] = { +static const struct ccu_reset_map sun50i_h616_r_ccu_resets[] = { [RST_R_APB1_TWD] = { 0x12c, BIT(16) }, [RST_R_APB2_I2C] = { 0x19c, BIT(16) }, [RST_R_APB2_RSB] = { 0x1bc, BIT(16) }, @@ -244,6 +244,7 @@ static const struct of_device_id sun50i_h6_r_ccu_ids[] = { }, { } }; +MODULE_DEVICE_TABLE(of, sun50i_h6_r_ccu_ids); static struct platform_driver sun50i_h6_r_ccu_driver = { .probe = sun50i_h6_r_ccu_probe, @@ -255,5 +256,6 @@ static struct platform_driver sun50i_h6_r_ccu_driver = { }; module_platform_driver(sun50i_h6_r_ccu_driver); -MODULE_IMPORT_NS(SUNXI_CCU); +MODULE_IMPORT_NS("SUNXI_CCU"); +MODULE_DESCRIPTION("Support for the Allwinner H6 and H616 PRCM CCU"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h6.c b/drivers/clk/sunxi-ng/ccu-sun50i-h6.c index 42568c616181..7fccda96d444 100644 --- a/drivers/clk/sunxi-ng/ccu-sun50i-h6.c +++ b/drivers/clk/sunxi-ng/ccu-sun50i-h6.c @@ -1076,7 +1076,7 @@ static struct clk_hw_onecell_data sun50i_h6_hw_clks = { .num = CLK_NUMBER, }; -static struct ccu_reset_map sun50i_h6_ccu_resets[] = { +static const struct ccu_reset_map sun50i_h6_ccu_resets[] = { [RST_MBUS] = { 0x540, BIT(30) }, [RST_BUS_DE] = { 0x60c, BIT(16) }, @@ -1181,11 +1181,18 @@ static const u32 usb2_clk_regs[] = { SUN50I_H6_USB3_CLK_REG, }; +static struct ccu_mux_nb sun50i_h6_cpu_nb = { + .common = &cpux_clk.common, + .cm = &cpux_clk.mux, + .delay_us = 1, + .bypass_index = 0, /* index of 24 MHz oscillator */ +}; + static int sun50i_h6_ccu_probe(struct platform_device *pdev) { void __iomem *reg; + int i, ret; u32 val; - int i; reg = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(reg)) @@ -1252,13 +1259,22 @@ static int sun50i_h6_ccu_probe(struct platform_device *pdev) val |= BIT(24); writel(val, reg + SUN50I_H6_HDMI_CEC_CLK_REG); - return devm_sunxi_ccu_probe(&pdev->dev, reg, &sun50i_h6_ccu_desc); + ret = devm_sunxi_ccu_probe(&pdev->dev, reg, &sun50i_h6_ccu_desc); + if (ret) + return ret; + + /* Reparent CPU during PLL CPUX rate changes */ + ccu_mux_notifier_register(pll_cpux_clk.common.hw.clk, + &sun50i_h6_cpu_nb); + + return 0; } static const struct of_device_id sun50i_h6_ccu_ids[] = { { .compatible = "allwinner,sun50i-h6-ccu" }, { } }; +MODULE_DEVICE_TABLE(of, sun50i_h6_ccu_ids); static struct platform_driver sun50i_h6_ccu_driver = { .probe = sun50i_h6_ccu_probe, @@ -1270,5 +1286,6 @@ static struct platform_driver sun50i_h6_ccu_driver = { }; module_platform_driver(sun50i_h6_ccu_driver); -MODULE_IMPORT_NS(SUNXI_CCU); +MODULE_IMPORT_NS("SUNXI_CCU"); +MODULE_DESCRIPTION("Support for the Allwinner H6 CCU"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h616.c b/drivers/clk/sunxi-ng/ccu-sun50i-h616.c index 21e918582aa5..190816c35da9 100644 --- a/drivers/clk/sunxi-ng/ccu-sun50i-h616.c +++ b/drivers/clk/sunxi-ng/ccu-sun50i-h616.c @@ -216,19 +216,29 @@ static struct ccu_nkmp pll_de_clk = { }; /* - * TODO: Determine SDM settings for the audio PLL. The manual suggests - * PLL_FACTOR_N=16, PLL_POST_DIV_P=2, OUTPUT_DIV=2, pattern=0xe000c49b - * for 24.576 MHz, and PLL_FACTOR_N=22, PLL_POST_DIV_P=3, OUTPUT_DIV=2, - * pattern=0xe001288c for 22.5792 MHz. - * This clashes with our fixed PLL_POST_DIV_P. + * Sigma-delta modulation settings table obtained from the vendor SDK driver. + * There are additional M0 and M1 divider bits not modelled here, so forced to + * fixed values in the probe routine. Sigma-delta modulation allows providing a + * fractional-N divider in the PLL, to help reaching those specific + * frequencies with less error. */ +static struct ccu_sdm_setting pll_audio_sdm_table[] = { + { .rate = 90316800, .pattern = 0xc001288d, .m = 3, .n = 22 }, + { .rate = 98304000, .pattern = 0xc001eb85, .m = 5, .n = 40 }, +}; + #define SUN50I_H616_PLL_AUDIO_REG 0x078 static struct ccu_nm pll_audio_hs_clk = { .enable = BIT(31), .lock = BIT(28), .n = _SUNXI_CCU_MULT_MIN(8, 8, 12), - .m = _SUNXI_CCU_DIV(1, 1), /* input divider */ + .m = _SUNXI_CCU_DIV(16, 6), + .sdm = _SUNXI_CCU_SDM(pll_audio_sdm_table, + BIT(24), 0x178, BIT(31)), + .fixed_post_div = 2, .common = { + .features = CCU_FEATURE_FIXED_POSTDIV | + CCU_FEATURE_SIGMA_DELTA_MOD, .reg = 0x078, .hw.init = CLK_HW_INIT("pll-audio-hs", "osc24M", &ccu_nm_ops, @@ -489,6 +499,8 @@ static SUNXI_CCU_MP_WITH_MUX_GATE(ts_clk, "ts", ts_parents, 0x9b0, static SUNXI_CCU_GATE(bus_ts_clk, "bus-ts", "ahb3", 0x9bc, BIT(0), 0); +static SUNXI_CCU_GATE(bus_gpadc_clk, "bus-gpadc", "apb1", 0x9ec, BIT(0), 0); + static SUNXI_CCU_GATE(bus_ths_clk, "bus-ths", "apb1", 0x9fc, BIT(0), 0); static const char * const audio_parents[] = { "pll-audio-1x", "pll-audio-2x", @@ -683,18 +695,20 @@ static const struct clk_hw *clk_parent_pll_audio[] = { }; /* - * The divider of pll-audio is fixed to 24 for now, so 24576000 and 22579200 - * rates can be set exactly in conjunction with sigma-delta modulation. + * The PLL_AUDIO_4X clock defaults to 24.5714 MHz according to the manual, with + * a final divider of 1. The 2X and 1X clocks use 2 and 4 respectively. The 1x + * clock is set to either 24576000 or 22579200 for 48Khz and 44.1Khz (and + * multiples). */ static CLK_FIXED_FACTOR_HWS(pll_audio_1x_clk, "pll-audio-1x", clk_parent_pll_audio, - 96, 1, CLK_SET_RATE_PARENT); + 4, 1, CLK_SET_RATE_PARENT); static CLK_FIXED_FACTOR_HWS(pll_audio_2x_clk, "pll-audio-2x", clk_parent_pll_audio, - 48, 1, CLK_SET_RATE_PARENT); + 2, 1, CLK_SET_RATE_PARENT); static CLK_FIXED_FACTOR_HWS(pll_audio_4x_clk, "pll-audio-4x", clk_parent_pll_audio, - 24, 1, CLK_SET_RATE_PARENT); + 1, 1, CLK_SET_RATE_PARENT); static const struct clk_hw *pll_periph0_parents[] = { &pll_periph0_clk.common.hw @@ -807,6 +821,7 @@ static struct ccu_common *sun50i_h616_ccu_clks[] = { &bus_emac1_clk.common, &ts_clk.common, &bus_ts_clk.common, + &bus_gpadc_clk.common, &bus_ths_clk.common, &spdif_clk.common, &bus_spdif_clk.common, @@ -940,6 +955,7 @@ static struct clk_hw_onecell_data sun50i_h616_hw_clks = { [CLK_BUS_EMAC1] = &bus_emac1_clk.common.hw, [CLK_TS] = &ts_clk.common.hw, [CLK_BUS_TS] = &bus_ts_clk.common.hw, + [CLK_BUS_GPADC] = &bus_gpadc_clk.common.hw, [CLK_BUS_THS] = &bus_ths_clk.common.hw, [CLK_SPDIF] = &spdif_clk.common.hw, [CLK_BUS_SPDIF] = &bus_spdif_clk.common.hw, @@ -986,7 +1002,7 @@ static struct clk_hw_onecell_data sun50i_h616_hw_clks = { .num = CLK_NUMBER, }; -static struct ccu_reset_map sun50i_h616_ccu_resets[] = { +static const struct ccu_reset_map sun50i_h616_ccu_resets[] = { [RST_MBUS] = { 0x540, BIT(30) }, [RST_BUS_DE] = { 0x60c, BIT(16) }, @@ -1021,6 +1037,7 @@ static struct ccu_reset_map sun50i_h616_ccu_resets[] = { [RST_BUS_EMAC0] = { 0x97c, BIT(16) }, [RST_BUS_EMAC1] = { 0x97c, BIT(17) }, [RST_BUS_TS] = { 0x9bc, BIT(16) }, + [RST_BUS_GPADC] = { 0x9ec, BIT(16) }, [RST_BUS_THS] = { 0x9fc, BIT(16) }, [RST_BUS_SPDIF] = { 0xa2c, BIT(16) }, [RST_BUS_DMIC] = { 0xa4c, BIT(16) }, @@ -1090,11 +1107,24 @@ static const u32 usb2_clk_regs[] = { SUN50I_H616_USB3_CLK_REG, }; +static struct ccu_mux_nb sun50i_h616_cpu_nb = { + .common = &cpux_clk.common, + .cm = &cpux_clk.mux, + .delay_us = 1, /* manual doesn't really say */ + .bypass_index = 4, /* PLL_PERI0@600MHz, as recommended by manual */ +}; + +static struct ccu_pll_nb sun50i_h616_pll_cpu_nb = { + .common = &pll_cpux_clk.common, + .enable = BIT(29), /* LOCK_ENABLE */ + .lock = BIT(28), +}; + static int sun50i_h616_ccu_probe(struct platform_device *pdev) { void __iomem *reg; u32 val; - int i; + int ret, i; reg = devm_platform_ioremap_resource(pdev, 0); if (IS_ERR(reg)) @@ -1131,12 +1161,14 @@ static int sun50i_h616_ccu_probe(struct platform_device *pdev) } /* - * Force the post-divider of pll-audio to 12 and the output divider - * of it to 2, so 24576000 and 22579200 rates can be set exactly. + * Set the output-divider for the pll-audio clocks (M0) to 2 and the + * input divider (M1) to 1 as recommended by the manual when using + * SDM. */ val = readl(reg + SUN50I_H616_PLL_AUDIO_REG); - val &= ~(GENMASK(21, 16) | BIT(0)); - writel(val | (11 << 16) | BIT(0), reg + SUN50I_H616_PLL_AUDIO_REG); + val &= ~BIT(1); + val |= BIT(0); + writel(val, reg + SUN50I_H616_PLL_AUDIO_REG); /* * First clock parent (osc32K) is unusable for CEC. But since there @@ -1147,13 +1179,25 @@ static int sun50i_h616_ccu_probe(struct platform_device *pdev) val |= BIT(24); writel(val, reg + SUN50I_H616_HDMI_CEC_CLK_REG); - return devm_sunxi_ccu_probe(&pdev->dev, reg, &sun50i_h616_ccu_desc); + ret = devm_sunxi_ccu_probe(&pdev->dev, reg, &sun50i_h616_ccu_desc); + if (ret) + return ret; + + /* Reparent CPU during CPU PLL rate changes */ + ccu_mux_notifier_register(pll_cpux_clk.common.hw.clk, + &sun50i_h616_cpu_nb); + + /* Re-lock the CPU PLL after any rate changes */ + ccu_pll_notifier_register(&sun50i_h616_pll_cpu_nb); + + return 0; } static const struct of_device_id sun50i_h616_ccu_ids[] = { { .compatible = "allwinner,sun50i-h616-ccu" }, { } }; +MODULE_DEVICE_TABLE(of, sun50i_h616_ccu_ids); static struct platform_driver sun50i_h616_ccu_driver = { .probe = sun50i_h616_ccu_probe, @@ -1165,5 +1209,6 @@ static struct platform_driver sun50i_h616_ccu_driver = { }; module_platform_driver(sun50i_h616_ccu_driver); -MODULE_IMPORT_NS(SUNXI_CCU); +MODULE_IMPORT_NS("SUNXI_CCU"); +MODULE_DESCRIPTION("Support for the Allwinner H616 CCU"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/sunxi-ng/ccu-sun50i-h616.h b/drivers/clk/sunxi-ng/ccu-sun50i-h616.h index fdd2f4d5103f..a75803b49f6a 100644 --- a/drivers/clk/sunxi-ng/ccu-sun50i-h616.h +++ b/drivers/clk/sunxi-ng/ccu-sun50i-h616.h @@ -51,6 +51,6 @@ #define CLK_BUS_DRAM 56 -#define CLK_NUMBER (CLK_PLL_SYSTEM_32K + 1) +#define CLK_NUMBER (CLK_BUS_GPADC + 1) #endif /* _CCU_SUN50I_H616_H_ */ diff --git a/drivers/clk/sunxi-ng/ccu-sun5i.c b/drivers/clk/sunxi-ng/ccu-sun5i.c index 1f4bc0e773a7..c9bf1fdb8a8a 100644 --- a/drivers/clk/sunxi-ng/ccu-sun5i.c +++ b/drivers/clk/sunxi-ng/ccu-sun5i.c @@ -731,7 +731,7 @@ static struct clk_hw_onecell_data sun5i_a10s_hw_clks = { .num = CLK_NUMBER, }; -static struct ccu_reset_map sun5i_a10s_ccu_resets[] = { +static const struct ccu_reset_map sun5i_a10s_ccu_resets[] = { [RST_USB_PHY0] = { 0x0cc, BIT(0) }, [RST_USB_PHY1] = { 0x0cc, BIT(1) }, diff --git a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c index 0762deffb33c..bab65cfe9501 100644 --- a/drivers/clk/sunxi-ng/ccu-sun6i-a31.c +++ b/drivers/clk/sunxi-ng/ccu-sun6i-a31.c @@ -1146,7 +1146,7 @@ static struct clk_hw_onecell_data sun6i_a31_hw_clks = { .num = CLK_NUMBER, }; -static struct ccu_reset_map sun6i_a31_ccu_resets[] = { +static const struct ccu_reset_map sun6i_a31_ccu_resets[] = { [RST_USB_PHY0] = { 0x0cc, BIT(0) }, [RST_USB_PHY1] = { 0x0cc, BIT(1) }, [RST_USB_PHY2] = { 0x0cc, BIT(2) }, @@ -1271,6 +1271,7 @@ static const struct of_device_id sun6i_a31_ccu_ids[] = { { .compatible = "allwinner,sun6i-a31-ccu" }, { } }; +MODULE_DEVICE_TABLE(of, sun6i_a31_ccu_ids); static struct platform_driver sun6i_a31_ccu_driver = { .probe = sun6i_a31_ccu_probe, @@ -1282,5 +1283,6 @@ static struct platform_driver sun6i_a31_ccu_driver = { }; module_platform_driver(sun6i_a31_ccu_driver); -MODULE_IMPORT_NS(SUNXI_CCU); +MODULE_IMPORT_NS("SUNXI_CCU"); +MODULE_DESCRIPTION("Support for the Allwinner A31/A31s CCU"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/sunxi-ng/ccu-sun6i-rtc.c b/drivers/clk/sunxi-ng/ccu-sun6i-rtc.c index fdc8ccc586c9..0536e880b80f 100644 --- a/drivers/clk/sunxi-ng/ccu-sun6i-rtc.c +++ b/drivers/clk/sunxi-ng/ccu-sun6i-rtc.c @@ -336,6 +336,7 @@ static const struct of_device_id sun6i_rtc_ccu_match[] = { }, {}, }; +MODULE_DEVICE_TABLE(of, sun6i_rtc_ccu_match); int sun6i_rtc_ccu_probe(struct device *dev, void __iomem *reg) { @@ -355,7 +356,7 @@ int sun6i_rtc_ccu_probe(struct device *dev, void __iomem *reg) const char *fw_name; /* ext-osc32k was the only input clock in the old binding. */ - fw_name = of_property_read_bool(dev->of_node, "clock-names") + fw_name = of_property_present(dev->of_node, "clock-names") ? "ext-osc32k" : NULL; ext_osc32k_clk = devm_clk_get_optional(dev, fw_name); if (IS_ERR(ext_osc32k_clk)) @@ -380,5 +381,6 @@ int sun6i_rtc_ccu_probe(struct device *dev, void __iomem *reg) return devm_sunxi_ccu_probe(dev, reg, &sun6i_rtc_ccu_desc); } -MODULE_IMPORT_NS(SUNXI_CCU); +MODULE_IMPORT_NS("SUNXI_CCU"); +MODULE_DESCRIPTION("Support for the Allwinner H616/R329 RTC CCU"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-a23.c b/drivers/clk/sunxi-ng/ccu-sun8i-a23.c index e80cc3864e44..78cf3818ab09 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-a23.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-a23.c @@ -668,7 +668,7 @@ static struct clk_hw_onecell_data sun8i_a23_hw_clks = { .num = CLK_NUMBER, }; -static struct ccu_reset_map sun8i_a23_ccu_resets[] = { +static const struct ccu_reset_map sun8i_a23_ccu_resets[] = { [RST_USB_PHY0] = { 0x0cc, BIT(0) }, [RST_USB_PHY1] = { 0x0cc, BIT(1) }, [RST_USB_HSIC] = { 0x0cc, BIT(2) }, @@ -751,6 +751,7 @@ static const struct of_device_id sun8i_a23_ccu_ids[] = { { .compatible = "allwinner,sun8i-a23-ccu" }, { } }; +MODULE_DEVICE_TABLE(of, sun8i_a23_ccu_ids); static struct platform_driver sun8i_a23_ccu_driver = { .probe = sun8i_a23_ccu_probe, @@ -762,5 +763,6 @@ static struct platform_driver sun8i_a23_ccu_driver = { }; module_platform_driver(sun8i_a23_ccu_driver); -MODULE_IMPORT_NS(SUNXI_CCU); +MODULE_IMPORT_NS("SUNXI_CCU"); +MODULE_DESCRIPTION("Support for the Allwinner A23 CCU"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-a33.c b/drivers/clk/sunxi-ng/ccu-sun8i-a33.c index d12878a1ba9e..b039d419512c 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-a33.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-a33.c @@ -712,7 +712,7 @@ static struct clk_hw_onecell_data sun8i_a33_hw_clks = { .num = CLK_NUMBER, }; -static struct ccu_reset_map sun8i_a33_ccu_resets[] = { +static const struct ccu_reset_map sun8i_a33_ccu_resets[] = { [RST_USB_PHY0] = { 0x0cc, BIT(0) }, [RST_USB_PHY1] = { 0x0cc, BIT(1) }, [RST_USB_HSIC] = { 0x0cc, BIT(2) }, @@ -823,6 +823,7 @@ static const struct of_device_id sun8i_a33_ccu_ids[] = { { .compatible = "allwinner,sun8i-a33-ccu" }, { } }; +MODULE_DEVICE_TABLE(of, sun8i_a33_ccu_ids); static struct platform_driver sun8i_a33_ccu_driver = { .probe = sun8i_a33_ccu_probe, @@ -834,5 +835,6 @@ static struct platform_driver sun8i_a33_ccu_driver = { }; module_platform_driver(sun8i_a33_ccu_driver); -MODULE_IMPORT_NS(SUNXI_CCU); +MODULE_IMPORT_NS("SUNXI_CCU"); +MODULE_DESCRIPTION("Support for the Allwinner A33 CCU"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-a83t.c b/drivers/clk/sunxi-ng/ccu-sun8i-a83t.c index 76cbd9e9e89f..60e918965a72 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-a83t.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-a83t.c @@ -797,7 +797,7 @@ static struct clk_hw_onecell_data sun8i_a83t_hw_clks = { .num = CLK_NUMBER, }; -static struct ccu_reset_map sun8i_a83t_ccu_resets[] = { +static const struct ccu_reset_map sun8i_a83t_ccu_resets[] = { [RST_USB_PHY0] = { 0x0cc, BIT(0) }, [RST_USB_PHY1] = { 0x0cc, BIT(1) }, [RST_USB_HSIC] = { 0x0cc, BIT(2) }, @@ -911,6 +911,7 @@ static const struct of_device_id sun8i_a83t_ccu_ids[] = { { .compatible = "allwinner,sun8i-a83t-ccu" }, { } }; +MODULE_DEVICE_TABLE(of, sun8i_a83t_ccu_ids); static struct platform_driver sun8i_a83t_ccu_driver = { .probe = sun8i_a83t_ccu_probe, @@ -922,5 +923,6 @@ static struct platform_driver sun8i_a83t_ccu_driver = { }; module_platform_driver(sun8i_a83t_ccu_driver); -MODULE_IMPORT_NS(SUNXI_CCU); +MODULE_IMPORT_NS("SUNXI_CCU"); +MODULE_DESCRIPTION("Support for the Allwinner A83T CCU"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-de2.c b/drivers/clk/sunxi-ng/ccu-sun8i-de2.c index 6a043a0a9dd6..f2aa71206bc2 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-de2.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-de2.c @@ -146,7 +146,7 @@ static struct clk_hw_onecell_data sun50i_a64_de2_hw_clks = { .num = CLK_NUMBER_WITH_ROT, }; -static struct ccu_reset_map sun8i_a83t_de2_resets[] = { +static const struct ccu_reset_map sun8i_a83t_de2_resets[] = { [RST_MIXER0] = { 0x08, BIT(0) }, /* * Mixer1 reset line is shared with wb, so only RST_WB is @@ -156,7 +156,7 @@ static struct ccu_reset_map sun8i_a83t_de2_resets[] = { [RST_ROT] = { 0x08, BIT(3) }, }; -static struct ccu_reset_map sun8i_h3_de2_resets[] = { +static const struct ccu_reset_map sun8i_h3_de2_resets[] = { [RST_MIXER0] = { 0x08, BIT(0) }, /* * Mixer1 reset line is shared with wb, so only RST_WB is @@ -166,14 +166,14 @@ static struct ccu_reset_map sun8i_h3_de2_resets[] = { [RST_WB] = { 0x08, BIT(2) }, }; -static struct ccu_reset_map sun50i_a64_de2_resets[] = { +static const struct ccu_reset_map sun50i_a64_de2_resets[] = { [RST_MIXER0] = { 0x08, BIT(0) }, [RST_MIXER1] = { 0x08, BIT(1) }, [RST_WB] = { 0x08, BIT(2) }, [RST_ROT] = { 0x08, BIT(3) }, }; -static struct ccu_reset_map sun50i_h5_de2_resets[] = { +static const struct ccu_reset_map sun50i_h5_de2_resets[] = { [RST_MIXER0] = { 0x08, BIT(0) }, [RST_MIXER1] = { 0x08, BIT(1) }, [RST_WB] = { 0x08, BIT(2) }, @@ -337,6 +337,7 @@ static const struct of_device_id sunxi_de2_clk_ids[] = { }, { } }; +MODULE_DEVICE_TABLE(of, sunxi_de2_clk_ids); static struct platform_driver sunxi_de2_clk_driver = { .probe = sunxi_de2_clk_probe, @@ -347,5 +348,6 @@ static struct platform_driver sunxi_de2_clk_driver = { }; module_platform_driver(sunxi_de2_clk_driver); -MODULE_IMPORT_NS(SUNXI_CCU); +MODULE_IMPORT_NS("SUNXI_CCU"); +MODULE_DESCRIPTION("Support for the Allwinner SoCs DE2 CCU"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-h3.c b/drivers/clk/sunxi-ng/ccu-sun8i-h3.c index 74274c17efb3..740c4c97331c 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-h3.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-h3.c @@ -876,7 +876,7 @@ static struct clk_hw_onecell_data sun50i_h5_hw_clks = { .num = CLK_NUMBER_H5, }; -static struct ccu_reset_map sun8i_h3_ccu_resets[] = { +static const struct ccu_reset_map sun8i_h3_ccu_resets[] = { [RST_USB_PHY0] = { 0x0cc, BIT(0) }, [RST_USB_PHY1] = { 0x0cc, BIT(1) }, [RST_USB_PHY2] = { 0x0cc, BIT(2) }, @@ -939,7 +939,7 @@ static struct ccu_reset_map sun8i_h3_ccu_resets[] = { [RST_BUS_SCR0] = { 0x2d8, BIT(20) }, }; -static struct ccu_reset_map sun50i_h5_ccu_resets[] = { +static const struct ccu_reset_map sun50i_h5_ccu_resets[] = { [RST_USB_PHY0] = { 0x0cc, BIT(0) }, [RST_USB_PHY1] = { 0x0cc, BIT(1) }, [RST_USB_PHY2] = { 0x0cc, BIT(2) }, @@ -1082,6 +1082,7 @@ static const struct of_device_id sun8i_h3_ccu_ids[] = { }, { } }; +MODULE_DEVICE_TABLE(of, sun8i_h3_ccu_ids); static struct platform_driver sun8i_h3_ccu_driver = { .probe = sun8i_h3_ccu_probe, @@ -1093,5 +1094,6 @@ static struct platform_driver sun8i_h3_ccu_driver = { }; module_platform_driver(sun8i_h3_ccu_driver); -MODULE_IMPORT_NS(SUNXI_CCU); +MODULE_IMPORT_NS("SUNXI_CCU"); +MODULE_DESCRIPTION("Support for the Allwinner H3 CCU"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-r.c b/drivers/clk/sunxi-ng/ccu-sun8i-r.c index 4890a976b1a0..0e324344673b 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-r.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-r.c @@ -178,7 +178,7 @@ static struct clk_hw_onecell_data sun50i_a64_r_hw_clks = { .num = CLK_NUMBER, }; -static struct ccu_reset_map sun8i_a83t_r_ccu_resets[] = { +static const struct ccu_reset_map sun8i_a83t_r_ccu_resets[] = { [RST_APB0_IR] = { 0xb0, BIT(1) }, [RST_APB0_TIMER] = { 0xb0, BIT(2) }, [RST_APB0_RSB] = { 0xb0, BIT(3) }, @@ -186,14 +186,14 @@ static struct ccu_reset_map sun8i_a83t_r_ccu_resets[] = { [RST_APB0_I2C] = { 0xb0, BIT(6) }, }; -static struct ccu_reset_map sun8i_h3_r_ccu_resets[] = { +static const struct ccu_reset_map sun8i_h3_r_ccu_resets[] = { [RST_APB0_IR] = { 0xb0, BIT(1) }, [RST_APB0_TIMER] = { 0xb0, BIT(2) }, [RST_APB0_UART] = { 0xb0, BIT(4) }, [RST_APB0_I2C] = { 0xb0, BIT(6) }, }; -static struct ccu_reset_map sun50i_a64_r_ccu_resets[] = { +static const struct ccu_reset_map sun50i_a64_r_ccu_resets[] = { [RST_APB0_IR] = { 0xb0, BIT(1) }, [RST_APB0_TIMER] = { 0xb0, BIT(2) }, [RST_APB0_RSB] = { 0xb0, BIT(3) }, @@ -262,6 +262,7 @@ static const struct of_device_id sun8i_r_ccu_ids[] = { }, { } }; +MODULE_DEVICE_TABLE(of, sun8i_r_ccu_ids); static struct platform_driver sun8i_r_ccu_driver = { .probe = sun8i_r_ccu_probe, @@ -273,5 +274,6 @@ static struct platform_driver sun8i_r_ccu_driver = { }; module_platform_driver(sun8i_r_ccu_driver); -MODULE_IMPORT_NS(SUNXI_CCU); +MODULE_IMPORT_NS("SUNXI_CCU"); +MODULE_DESCRIPTION("Support for Allwinner SoCs' PRCM CCUs"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-r40.c b/drivers/clk/sunxi-ng/ccu-sun8i-r40.c index 31eca0d3bc1e..8b729c9b3545 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-r40.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-r40.c @@ -1162,7 +1162,7 @@ static struct clk_hw_onecell_data sun8i_r40_hw_clks = { .num = CLK_NUMBER, }; -static struct ccu_reset_map sun8i_r40_ccu_resets[] = { +static const struct ccu_reset_map sun8i_r40_ccu_resets[] = { [RST_USB_PHY0] = { 0x0cc, BIT(0) }, [RST_USB_PHY1] = { 0x0cc, BIT(1) }, [RST_USB_PHY2] = { 0x0cc, BIT(2) }, @@ -1292,7 +1292,7 @@ static bool sun8i_r40_ccu_regmap_accessible_reg(struct device *dev, return false; } -static struct regmap_config sun8i_r40_ccu_regmap_config = { +static const struct regmap_config sun8i_r40_ccu_regmap_config = { .reg_bits = 32, .val_bits = 32, .reg_stride = 4, @@ -1363,6 +1363,7 @@ static const struct of_device_id sun8i_r40_ccu_ids[] = { { .compatible = "allwinner,sun8i-r40-ccu" }, { } }; +MODULE_DEVICE_TABLE(of, sun8i_r40_ccu_ids); static struct platform_driver sun8i_r40_ccu_driver = { .probe = sun8i_r40_ccu_probe, @@ -1374,5 +1375,6 @@ static struct platform_driver sun8i_r40_ccu_driver = { }; module_platform_driver(sun8i_r40_ccu_driver); -MODULE_IMPORT_NS(SUNXI_CCU); +MODULE_IMPORT_NS("SUNXI_CCU"); +MODULE_DESCRIPTION("Support for the Allwinner R40 CCU"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c index f3ce8664b288..579a81bb46df 100644 --- a/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c +++ b/drivers/clk/sunxi-ng/ccu-sun8i-v3s.c @@ -644,7 +644,7 @@ static struct clk_hw_onecell_data sun8i_v3_hw_clks = { .num = CLK_I2S0 + 1, }; -static struct ccu_reset_map sun8i_v3s_ccu_resets[] = { +static const struct ccu_reset_map sun8i_v3s_ccu_resets[] = { [RST_USB_PHY0] = { 0x0cc, BIT(0) }, [RST_MBUS] = { 0x0fc, BIT(31) }, @@ -679,7 +679,7 @@ static struct ccu_reset_map sun8i_v3s_ccu_resets[] = { [RST_BUS_UART2] = { 0x2d8, BIT(18) }, }; -static struct ccu_reset_map sun8i_v3_ccu_resets[] = { +static const struct ccu_reset_map sun8i_v3_ccu_resets[] = { [RST_USB_PHY0] = { 0x0cc, BIT(0) }, [RST_MBUS] = { 0x0fc, BIT(31) }, @@ -768,6 +768,7 @@ static const struct of_device_id sun8i_v3s_ccu_ids[] = { }, { } }; +MODULE_DEVICE_TABLE(of, sun8i_v3s_ccu_ids); static struct platform_driver sun8i_v3s_ccu_driver = { .probe = sun8i_v3s_ccu_probe, @@ -779,5 +780,6 @@ static struct platform_driver sun8i_v3s_ccu_driver = { }; module_platform_driver(sun8i_v3s_ccu_driver); -MODULE_IMPORT_NS(SUNXI_CCU); +MODULE_IMPORT_NS("SUNXI_CCU"); +MODULE_DESCRIPTION("Support for the Allwinner V3s CCU"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c b/drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c index 1d8b1ae1619d..91e5dc448bc0 100644 --- a/drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c +++ b/drivers/clk/sunxi-ng/ccu-sun9i-a80-de.c @@ -177,7 +177,7 @@ static struct clk_hw_onecell_data sun9i_a80_de_hw_clks = { .num = CLK_NUMBER, }; -static struct ccu_reset_map sun9i_a80_de_resets[] = { +static const struct ccu_reset_map sun9i_a80_de_resets[] = { [RST_FE0] = { 0x0c, BIT(0) }, [RST_FE1] = { 0x0c, BIT(1) }, [RST_FE2] = { 0x0c, BIT(2) }, @@ -254,6 +254,7 @@ static const struct of_device_id sun9i_a80_de_clk_ids[] = { { .compatible = "allwinner,sun9i-a80-de-clks" }, { } }; +MODULE_DEVICE_TABLE(of, sun9i_a80_de_clk_ids); static struct platform_driver sun9i_a80_de_clk_driver = { .probe = sun9i_a80_de_clk_probe, @@ -265,5 +266,6 @@ static struct platform_driver sun9i_a80_de_clk_driver = { }; module_platform_driver(sun9i_a80_de_clk_driver); -MODULE_IMPORT_NS(SUNXI_CCU); +MODULE_IMPORT_NS("SUNXI_CCU"); +MODULE_DESCRIPTION("Support for the Allwinner A80 Display Engine CCU"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.c b/drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.c index a0fb0da8f356..62063f525616 100644 --- a/drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.c +++ b/drivers/clk/sunxi-ng/ccu-sun9i-a80-usb.c @@ -68,7 +68,7 @@ static struct clk_hw_onecell_data sun9i_a80_usb_hw_clks = { .num = CLK_NUMBER, }; -static struct ccu_reset_map sun9i_a80_usb_resets[] = { +static const struct ccu_reset_map sun9i_a80_usb_resets[] = { [RST_USB0_HCI] = { 0x0, BIT(17) }, [RST_USB1_HCI] = { 0x0, BIT(18) }, [RST_USB2_HCI] = { 0x0, BIT(19) }, @@ -127,6 +127,7 @@ static const struct of_device_id sun9i_a80_usb_clk_ids[] = { { .compatible = "allwinner,sun9i-a80-usb-clks" }, { } }; +MODULE_DEVICE_TABLE(of, sun9i_a80_usb_clk_ids); static struct platform_driver sun9i_a80_usb_clk_driver = { .probe = sun9i_a80_usb_clk_probe, @@ -137,5 +138,6 @@ static struct platform_driver sun9i_a80_usb_clk_driver = { }; module_platform_driver(sun9i_a80_usb_clk_driver); -MODULE_IMPORT_NS(SUNXI_CCU); +MODULE_IMPORT_NS("SUNXI_CCU"); +MODULE_DESCRIPTION("Support for the Allwinner A80 USB CCU"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/sunxi-ng/ccu-sun9i-a80.c b/drivers/clk/sunxi-ng/ccu-sun9i-a80.c index 730fd8e28014..337751998005 100644 --- a/drivers/clk/sunxi-ng/ccu-sun9i-a80.c +++ b/drivers/clk/sunxi-ng/ccu-sun9i-a80.c @@ -1108,7 +1108,7 @@ static struct clk_hw_onecell_data sun9i_a80_hw_clks = { .num = CLK_NUMBER, }; -static struct ccu_reset_map sun9i_a80_ccu_resets[] = { +static const struct ccu_reset_map sun9i_a80_ccu_resets[] = { /* AHB0 reset controls */ [RST_BUS_FD] = { 0x5a0, BIT(0) }, [RST_BUS_VE] = { 0x5a0, BIT(1) }, @@ -1236,6 +1236,7 @@ static const struct of_device_id sun9i_a80_ccu_ids[] = { { .compatible = "allwinner,sun9i-a80-ccu" }, { } }; +MODULE_DEVICE_TABLE(of, sun9i_a80_ccu_ids); static struct platform_driver sun9i_a80_ccu_driver = { .probe = sun9i_a80_ccu_probe, @@ -1247,5 +1248,6 @@ static struct platform_driver sun9i_a80_ccu_driver = { }; module_platform_driver(sun9i_a80_ccu_driver); -MODULE_IMPORT_NS(SUNXI_CCU); +MODULE_IMPORT_NS("SUNXI_CCU"); +MODULE_DESCRIPTION("Support for the Allwinner A80 CCU"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/sunxi-ng/ccu-suniv-f1c100s.c b/drivers/clk/sunxi-ng/ccu-suniv-f1c100s.c index 0d5b60b123b7..35935423145e 100644 --- a/drivers/clk/sunxi-ng/ccu-suniv-f1c100s.c +++ b/drivers/clk/sunxi-ng/ccu-suniv-f1c100s.c @@ -477,7 +477,7 @@ static struct clk_hw_onecell_data suniv_hw_clks = { .num = CLK_NUMBER, }; -static struct ccu_reset_map suniv_ccu_resets[] = { +static const struct ccu_reset_map suniv_ccu_resets[] = { [RST_USB_PHY0] = { 0x0cc, BIT(0) }, [RST_BUS_DMA] = { 0x2c0, BIT(6) }, @@ -565,6 +565,7 @@ static const struct of_device_id suniv_f1c100s_ccu_ids[] = { { .compatible = "allwinner,suniv-f1c100s-ccu" }, { } }; +MODULE_DEVICE_TABLE(of, suniv_f1c100s_ccu_ids); static struct platform_driver suniv_f1c100s_ccu_driver = { .probe = suniv_f1c100s_ccu_probe, @@ -576,5 +577,6 @@ static struct platform_driver suniv_f1c100s_ccu_driver = { }; module_platform_driver(suniv_f1c100s_ccu_driver); -MODULE_IMPORT_NS(SUNXI_CCU); +MODULE_IMPORT_NS("SUNXI_CCU"); +MODULE_DESCRIPTION("Support for the Allwinner newer F1C100s CCU"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/sunxi-ng/ccu_common.c b/drivers/clk/sunxi-ng/ccu_common.c index 8babce55302f..88ed89658d45 100644 --- a/drivers/clk/sunxi-ng/ccu_common.c +++ b/drivers/clk/sunxi-ng/ccu_common.c @@ -37,19 +37,29 @@ void ccu_helper_wait_for_lock(struct ccu_common *common, u32 lock) WARN_ON(readl_relaxed_poll_timeout(addr, reg, reg & lock, 100, 70000)); } -EXPORT_SYMBOL_NS_GPL(ccu_helper_wait_for_lock, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_helper_wait_for_lock, "SUNXI_CCU"); bool ccu_is_better_rate(struct ccu_common *common, unsigned long target_rate, unsigned long current_rate, unsigned long best_rate) { + unsigned long min_rate, max_rate; + + clk_hw_get_rate_range(&common->hw, &min_rate, &max_rate); + + if (current_rate > max_rate) + return false; + + if (current_rate < min_rate) + return false; + if (common->features & CCU_FEATURE_CLOSEST_RATE) return abs(current_rate - target_rate) < abs(best_rate - target_rate); return current_rate <= target_rate && current_rate > best_rate; } -EXPORT_SYMBOL_NS_GPL(ccu_is_better_rate, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_is_better_rate, "SUNXI_CCU"); /* * This clock notifier is called when the frequency of a PLL clock is @@ -97,7 +107,7 @@ int ccu_pll_notifier_register(struct ccu_pll_nb *pll_nb) return clk_notifier_register(pll_nb->common->hw.clk, &pll_nb->clk_nb); } -EXPORT_SYMBOL_NS_GPL(ccu_pll_notifier_register, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_pll_notifier_register, "SUNXI_CCU"); static int sunxi_ccu_probe(struct sunxi_ccu *ccu, struct device *dev, struct device_node *node, void __iomem *reg, @@ -138,6 +148,21 @@ static int sunxi_ccu_probe(struct sunxi_ccu *ccu, struct device *dev, } } + for (i = 0; i < desc->num_ccu_clks; i++) { + struct ccu_common *cclk = desc->ccu_clks[i]; + + if (!cclk) + continue; + + if (cclk->max_rate) + clk_hw_set_rate_range(&cclk->hw, cclk->min_rate, + cclk->max_rate); + else + WARN(cclk->min_rate, + "No max_rate, ignoring min_rate of clock %d - %s\n", + i, clk_hw_get_name(&cclk->hw)); + } + ret = of_clk_add_hw_provider(node, of_clk_hw_onecell_get, desc->hw_clks); if (ret) @@ -209,7 +234,7 @@ int devm_sunxi_ccu_probe(struct device *dev, void __iomem *reg, return 0; } -EXPORT_SYMBOL_NS_GPL(devm_sunxi_ccu_probe, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(devm_sunxi_ccu_probe, "SUNXI_CCU"); void of_sunxi_ccu_probe(struct device_node *node, void __iomem *reg, const struct sunxi_ccu_desc *desc) @@ -228,4 +253,5 @@ void of_sunxi_ccu_probe(struct device_node *node, void __iomem *reg, } } +MODULE_DESCRIPTION("Common clock support for Allwinner SoCs"); MODULE_LICENSE("GPL"); diff --git a/drivers/clk/sunxi-ng/ccu_common.h b/drivers/clk/sunxi-ng/ccu_common.h index 942a72c09437..dd330426a6e5 100644 --- a/drivers/clk/sunxi-ng/ccu_common.h +++ b/drivers/clk/sunxi-ng/ccu_common.h @@ -31,6 +31,9 @@ struct ccu_common { u16 lock_reg; u32 prediv; + unsigned long min_rate; + unsigned long max_rate; + unsigned long features; spinlock_t *lock; struct clk_hw hw; @@ -47,7 +50,7 @@ struct sunxi_ccu_desc { struct clk_hw_onecell_data *hw_clks; - struct ccu_reset_map *resets; + const struct ccu_reset_map *resets; unsigned long num_resets; }; diff --git a/drivers/clk/sunxi-ng/ccu_div.c b/drivers/clk/sunxi-ng/ccu_div.c index cb10a3ea23f9..7f4691f09e01 100644 --- a/drivers/clk/sunxi-ng/ccu_div.c +++ b/drivers/clk/sunxi-ng/ccu_div.c @@ -141,4 +141,4 @@ const struct clk_ops ccu_div_ops = { .recalc_rate = ccu_div_recalc_rate, .set_rate = ccu_div_set_rate, }; -EXPORT_SYMBOL_NS_GPL(ccu_div_ops, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_div_ops, "SUNXI_CCU"); diff --git a/drivers/clk/sunxi-ng/ccu_frac.c b/drivers/clk/sunxi-ng/ccu_frac.c index b31f3ad946d6..75323912608a 100644 --- a/drivers/clk/sunxi-ng/ccu_frac.c +++ b/drivers/clk/sunxi-ng/ccu_frac.c @@ -18,7 +18,7 @@ bool ccu_frac_helper_is_enabled(struct ccu_common *common, return !(readl(common->base + common->reg) & cf->enable); } -EXPORT_SYMBOL_NS_GPL(ccu_frac_helper_is_enabled, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_frac_helper_is_enabled, "SUNXI_CCU"); void ccu_frac_helper_enable(struct ccu_common *common, struct ccu_frac_internal *cf) @@ -34,7 +34,7 @@ void ccu_frac_helper_enable(struct ccu_common *common, writel(reg & ~cf->enable, common->base + common->reg); spin_unlock_irqrestore(common->lock, flags); } -EXPORT_SYMBOL_NS_GPL(ccu_frac_helper_enable, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_frac_helper_enable, "SUNXI_CCU"); void ccu_frac_helper_disable(struct ccu_common *common, struct ccu_frac_internal *cf) @@ -50,7 +50,7 @@ void ccu_frac_helper_disable(struct ccu_common *common, writel(reg | cf->enable, common->base + common->reg); spin_unlock_irqrestore(common->lock, flags); } -EXPORT_SYMBOL_NS_GPL(ccu_frac_helper_disable, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_frac_helper_disable, "SUNXI_CCU"); bool ccu_frac_helper_has_rate(struct ccu_common *common, struct ccu_frac_internal *cf, @@ -61,7 +61,7 @@ bool ccu_frac_helper_has_rate(struct ccu_common *common, return (cf->rates[0] == rate) || (cf->rates[1] == rate); } -EXPORT_SYMBOL_NS_GPL(ccu_frac_helper_has_rate, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_frac_helper_has_rate, "SUNXI_CCU"); unsigned long ccu_frac_helper_read_rate(struct ccu_common *common, struct ccu_frac_internal *cf) @@ -83,7 +83,7 @@ unsigned long ccu_frac_helper_read_rate(struct ccu_common *common, return (reg & cf->select) ? cf->rates[1] : cf->rates[0]; } -EXPORT_SYMBOL_NS_GPL(ccu_frac_helper_read_rate, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_frac_helper_read_rate, "SUNXI_CCU"); int ccu_frac_helper_set_rate(struct ccu_common *common, struct ccu_frac_internal *cf, @@ -112,4 +112,4 @@ int ccu_frac_helper_set_rate(struct ccu_common *common, return 0; } -EXPORT_SYMBOL_NS_GPL(ccu_frac_helper_set_rate, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_frac_helper_set_rate, "SUNXI_CCU"); diff --git a/drivers/clk/sunxi-ng/ccu_gate.c b/drivers/clk/sunxi-ng/ccu_gate.c index a2115a21807d..ac52fd6bff67 100644 --- a/drivers/clk/sunxi-ng/ccu_gate.c +++ b/drivers/clk/sunxi-ng/ccu_gate.c @@ -24,7 +24,7 @@ void ccu_gate_helper_disable(struct ccu_common *common, u32 gate) spin_unlock_irqrestore(common->lock, flags); } -EXPORT_SYMBOL_NS_GPL(ccu_gate_helper_disable, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_gate_helper_disable, "SUNXI_CCU"); static void ccu_gate_disable(struct clk_hw *hw) { @@ -50,7 +50,7 @@ int ccu_gate_helper_enable(struct ccu_common *common, u32 gate) return 0; } -EXPORT_SYMBOL_NS_GPL(ccu_gate_helper_enable, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_gate_helper_enable, "SUNXI_CCU"); static int ccu_gate_enable(struct clk_hw *hw) { @@ -66,7 +66,7 @@ int ccu_gate_helper_is_enabled(struct ccu_common *common, u32 gate) return readl(common->base + common->reg) & gate; } -EXPORT_SYMBOL_NS_GPL(ccu_gate_helper_is_enabled, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_gate_helper_is_enabled, "SUNXI_CCU"); static int ccu_gate_is_enabled(struct clk_hw *hw) { @@ -127,4 +127,4 @@ const struct clk_ops ccu_gate_ops = { .set_rate = ccu_gate_set_rate, .recalc_rate = ccu_gate_recalc_rate, }; -EXPORT_SYMBOL_NS_GPL(ccu_gate_ops, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_gate_ops, "SUNXI_CCU"); diff --git a/drivers/clk/sunxi-ng/ccu_mp.c b/drivers/clk/sunxi-ng/ccu_mp.c index cc94a694cb67..2bb8987ddcc2 100644 --- a/drivers/clk/sunxi-ng/ccu_mp.c +++ b/drivers/clk/sunxi-ng/ccu_mp.c @@ -246,7 +246,7 @@ const struct clk_ops ccu_mp_ops = { .recalc_rate = ccu_mp_recalc_rate, .set_rate = ccu_mp_set_rate, }; -EXPORT_SYMBOL_NS_GPL(ccu_mp_ops, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_mp_ops, "SUNXI_CCU"); /* * Support for MMC timing mode switching @@ -327,4 +327,4 @@ const struct clk_ops ccu_mp_mmc_ops = { .recalc_rate = ccu_mp_mmc_recalc_rate, .set_rate = ccu_mp_mmc_set_rate, }; -EXPORT_SYMBOL_NS_GPL(ccu_mp_mmc_ops, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_mp_mmc_ops, "SUNXI_CCU"); diff --git a/drivers/clk/sunxi-ng/ccu_mult.c b/drivers/clk/sunxi-ng/ccu_mult.c index 7bee217ef111..8d5720f3dec1 100644 --- a/drivers/clk/sunxi-ng/ccu_mult.c +++ b/drivers/clk/sunxi-ng/ccu_mult.c @@ -170,4 +170,4 @@ const struct clk_ops ccu_mult_ops = { .recalc_rate = ccu_mult_recalc_rate, .set_rate = ccu_mult_set_rate, }; -EXPORT_SYMBOL_NS_GPL(ccu_mult_ops, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_mult_ops, "SUNXI_CCU"); diff --git a/drivers/clk/sunxi-ng/ccu_mux.c b/drivers/clk/sunxi-ng/ccu_mux.c index 5edc63b46651..d7ffbdeee9e0 100644 --- a/drivers/clk/sunxi-ng/ccu_mux.c +++ b/drivers/clk/sunxi-ng/ccu_mux.c @@ -66,7 +66,7 @@ unsigned long ccu_mux_helper_apply_prediv(struct ccu_common *common, { return parent_rate / ccu_mux_get_prediv(common, cm, parent_index); } -EXPORT_SYMBOL_NS_GPL(ccu_mux_helper_apply_prediv, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_mux_helper_apply_prediv, "SUNXI_CCU"); static unsigned long ccu_mux_helper_unapply_prediv(struct ccu_common *common, struct ccu_mux_internal *cm, @@ -155,7 +155,7 @@ out: req->rate = best_rate; return 0; } -EXPORT_SYMBOL_NS_GPL(ccu_mux_helper_determine_rate, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_mux_helper_determine_rate, "SUNXI_CCU"); u8 ccu_mux_helper_get_parent(struct ccu_common *common, struct ccu_mux_internal *cm) @@ -178,7 +178,7 @@ u8 ccu_mux_helper_get_parent(struct ccu_common *common, return parent; } -EXPORT_SYMBOL_NS_GPL(ccu_mux_helper_get_parent, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_mux_helper_get_parent, "SUNXI_CCU"); int ccu_mux_helper_set_parent(struct ccu_common *common, struct ccu_mux_internal *cm, @@ -205,7 +205,7 @@ int ccu_mux_helper_set_parent(struct ccu_common *common, return 0; } -EXPORT_SYMBOL_NS_GPL(ccu_mux_helper_set_parent, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_mux_helper_set_parent, "SUNXI_CCU"); static void ccu_mux_disable(struct clk_hw *hw) { @@ -273,7 +273,7 @@ const struct clk_ops ccu_mux_ops = { .determine_rate = ccu_mux_determine_rate, .recalc_rate = ccu_mux_recalc_rate, }; -EXPORT_SYMBOL_NS_GPL(ccu_mux_ops, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_mux_ops, "SUNXI_CCU"); /* * This clock notifier is called when the frequency of the of the parent @@ -308,4 +308,4 @@ int ccu_mux_notifier_register(struct clk *clk, struct ccu_mux_nb *mux_nb) return clk_notifier_register(clk, &mux_nb->clk_nb); } -EXPORT_SYMBOL_NS_GPL(ccu_mux_notifier_register, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_mux_notifier_register, "SUNXI_CCU"); diff --git a/drivers/clk/sunxi-ng/ccu_nk.c b/drivers/clk/sunxi-ng/ccu_nk.c index 8aa35d5804f3..555e99de2cc6 100644 --- a/drivers/clk/sunxi-ng/ccu_nk.c +++ b/drivers/clk/sunxi-ng/ccu_nk.c @@ -158,4 +158,4 @@ const struct clk_ops ccu_nk_ops = { .round_rate = ccu_nk_round_rate, .set_rate = ccu_nk_set_rate, }; -EXPORT_SYMBOL_NS_GPL(ccu_nk_ops, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_nk_ops, "SUNXI_CCU"); diff --git a/drivers/clk/sunxi-ng/ccu_nkm.c b/drivers/clk/sunxi-ng/ccu_nkm.c index 853f84398e2b..784eec9ac997 100644 --- a/drivers/clk/sunxi-ng/ccu_nkm.c +++ b/drivers/clk/sunxi-ng/ccu_nkm.c @@ -16,6 +16,20 @@ struct _ccu_nkm { unsigned long m, min_m, max_m; }; +static bool ccu_nkm_is_valid_rate(struct ccu_common *common, unsigned long parent, + unsigned long n, unsigned long m) +{ + struct ccu_nkm *nkm = container_of(common, struct ccu_nkm, common); + + if (nkm->max_m_n_ratio && (m > nkm->max_m_n_ratio * n)) + return false; + + if (nkm->min_parent_m_ratio && (parent < nkm->min_parent_m_ratio * m)) + return false; + + return true; +} + static unsigned long ccu_nkm_find_best_with_parent_adj(struct ccu_common *common, struct clk_hw *parent_hw, unsigned long *parent, unsigned long rate, @@ -31,6 +45,10 @@ static unsigned long ccu_nkm_find_best_with_parent_adj(struct ccu_common *common unsigned long tmp_rate, tmp_parent; tmp_parent = clk_hw_round_rate(parent_hw, rate * _m / (_n * _k)); + + if (!ccu_nkm_is_valid_rate(common, tmp_parent, _n, _m)) + continue; + tmp_rate = tmp_parent * _n * _k / _m; if (ccu_is_better_rate(common, rate, tmp_rate, best_rate) || @@ -64,6 +82,9 @@ static unsigned long ccu_nkm_find_best(unsigned long parent, unsigned long rate, for (_k = nkm->min_k; _k <= nkm->max_k; _k++) { for (_n = nkm->min_n; _n <= nkm->max_n; _n++) { for (_m = nkm->min_m; _m <= nkm->max_m; _m++) { + if (!ccu_nkm_is_valid_rate(common, parent, _n, _m)) + continue; + unsigned long tmp_rate; tmp_rate = parent * _n * _k / _m; @@ -246,4 +267,4 @@ const struct clk_ops ccu_nkm_ops = { .recalc_rate = ccu_nkm_recalc_rate, .set_rate = ccu_nkm_set_rate, }; -EXPORT_SYMBOL_NS_GPL(ccu_nkm_ops, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_nkm_ops, "SUNXI_CCU"); diff --git a/drivers/clk/sunxi-ng/ccu_nkm.h b/drivers/clk/sunxi-ng/ccu_nkm.h index 6601defb3f38..c409212ee40e 100644 --- a/drivers/clk/sunxi-ng/ccu_nkm.h +++ b/drivers/clk/sunxi-ng/ccu_nkm.h @@ -27,6 +27,8 @@ struct ccu_nkm { struct ccu_mux_internal mux; unsigned int fixed_post_div; + unsigned long max_m_n_ratio; + unsigned long min_parent_m_ratio; struct ccu_common common; }; diff --git a/drivers/clk/sunxi-ng/ccu_nkmp.c b/drivers/clk/sunxi-ng/ccu_nkmp.c index 99359a06892d..6e03b69d4028 100644 --- a/drivers/clk/sunxi-ng/ccu_nkmp.c +++ b/drivers/clk/sunxi-ng/ccu_nkmp.c @@ -230,4 +230,4 @@ const struct clk_ops ccu_nkmp_ops = { .round_rate = ccu_nkmp_round_rate, .set_rate = ccu_nkmp_set_rate, }; -EXPORT_SYMBOL_NS_GPL(ccu_nkmp_ops, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_nkmp_ops, "SUNXI_CCU"); diff --git a/drivers/clk/sunxi-ng/ccu_nm.c b/drivers/clk/sunxi-ng/ccu_nm.c index ffac3deb89d6..a4e2243b8d6b 100644 --- a/drivers/clk/sunxi-ng/ccu_nm.c +++ b/drivers/clk/sunxi-ng/ccu_nm.c @@ -236,4 +236,4 @@ const struct clk_ops ccu_nm_ops = { .round_rate = ccu_nm_round_rate, .set_rate = ccu_nm_set_rate, }; -EXPORT_SYMBOL_NS_GPL(ccu_nm_ops, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_nm_ops, "SUNXI_CCU"); diff --git a/drivers/clk/sunxi-ng/ccu_phase.c b/drivers/clk/sunxi-ng/ccu_phase.c index e4cae2afe9db..ca43cf448666 100644 --- a/drivers/clk/sunxi-ng/ccu_phase.c +++ b/drivers/clk/sunxi-ng/ccu_phase.c @@ -121,4 +121,4 @@ const struct clk_ops ccu_phase_ops = { .get_phase = ccu_phase_get_phase, .set_phase = ccu_phase_set_phase, }; -EXPORT_SYMBOL_NS_GPL(ccu_phase_ops, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_phase_ops, "SUNXI_CCU"); diff --git a/drivers/clk/sunxi-ng/ccu_reset.c b/drivers/clk/sunxi-ng/ccu_reset.c index 6577aa18cb01..55bc7c7cda0f 100644 --- a/drivers/clk/sunxi-ng/ccu_reset.c +++ b/drivers/clk/sunxi-ng/ccu_reset.c @@ -75,4 +75,4 @@ const struct reset_control_ops ccu_reset_ops = { .reset = ccu_reset_reset, .status = ccu_reset_status, }; -EXPORT_SYMBOL_NS_GPL(ccu_reset_ops, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_reset_ops, "SUNXI_CCU"); diff --git a/drivers/clk/sunxi-ng/ccu_reset.h b/drivers/clk/sunxi-ng/ccu_reset.h index e9b973cae4af..941276a8ec2e 100644 --- a/drivers/clk/sunxi-ng/ccu_reset.h +++ b/drivers/clk/sunxi-ng/ccu_reset.h @@ -17,7 +17,7 @@ struct ccu_reset_map { struct ccu_reset { void __iomem *base; - struct ccu_reset_map *reset_map; + const struct ccu_reset_map *reset_map; spinlock_t *lock; struct reset_controller_dev rcdev; diff --git a/drivers/clk/sunxi-ng/ccu_sdm.c b/drivers/clk/sunxi-ng/ccu_sdm.c index 41937ed0766d..c564e5f9e610 100644 --- a/drivers/clk/sunxi-ng/ccu_sdm.c +++ b/drivers/clk/sunxi-ng/ccu_sdm.c @@ -20,7 +20,7 @@ bool ccu_sdm_helper_is_enabled(struct ccu_common *common, return !!(readl(common->base + sdm->tuning_reg) & sdm->tuning_enable); } -EXPORT_SYMBOL_NS_GPL(ccu_sdm_helper_is_enabled, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_sdm_helper_is_enabled, "SUNXI_CCU"); void ccu_sdm_helper_enable(struct ccu_common *common, struct ccu_sdm_internal *sdm, @@ -50,7 +50,7 @@ void ccu_sdm_helper_enable(struct ccu_common *common, writel(reg | sdm->enable, common->base + common->reg); spin_unlock_irqrestore(common->lock, flags); } -EXPORT_SYMBOL_NS_GPL(ccu_sdm_helper_enable, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_sdm_helper_enable, "SUNXI_CCU"); void ccu_sdm_helper_disable(struct ccu_common *common, struct ccu_sdm_internal *sdm) @@ -71,7 +71,7 @@ void ccu_sdm_helper_disable(struct ccu_common *common, writel(reg & ~sdm->tuning_enable, common->base + sdm->tuning_reg); spin_unlock_irqrestore(common->lock, flags); } -EXPORT_SYMBOL_NS_GPL(ccu_sdm_helper_disable, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_sdm_helper_disable, "SUNXI_CCU"); /* * Sigma delta modulation provides a way to do fractional-N frequency @@ -105,7 +105,7 @@ bool ccu_sdm_helper_has_rate(struct ccu_common *common, return false; } -EXPORT_SYMBOL_NS_GPL(ccu_sdm_helper_has_rate, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_sdm_helper_has_rate, "SUNXI_CCU"); unsigned long ccu_sdm_helper_read_rate(struct ccu_common *common, struct ccu_sdm_internal *sdm, @@ -136,7 +136,7 @@ unsigned long ccu_sdm_helper_read_rate(struct ccu_common *common, /* We can't calculate the effective clock rate, so just fail. */ return 0; } -EXPORT_SYMBOL_NS_GPL(ccu_sdm_helper_read_rate, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_sdm_helper_read_rate, "SUNXI_CCU"); int ccu_sdm_helper_get_factors(struct ccu_common *common, struct ccu_sdm_internal *sdm, @@ -158,4 +158,4 @@ int ccu_sdm_helper_get_factors(struct ccu_common *common, /* nothing found */ return -EINVAL; } -EXPORT_SYMBOL_NS_GPL(ccu_sdm_helper_get_factors, SUNXI_CCU); +EXPORT_SYMBOL_NS_GPL(ccu_sdm_helper_get_factors, "SUNXI_CCU"); |