diff options
Diffstat (limited to 'drivers/clk/meson/g12a-aoclk.c')
| -rw-r--r-- | drivers/clk/meson/g12a-aoclk.c | 238 |
1 files changed, 119 insertions, 119 deletions
diff --git a/drivers/clk/meson/g12a-aoclk.c b/drivers/clk/meson/g12a-aoclk.c index 4095a1b2bb80..96981da271fa 100644 --- a/drivers/clk/meson/g12a-aoclk.c +++ b/drivers/clk/meson/g12a-aoclk.c @@ -37,46 +37,38 @@ #define AO_RTC_ALT_CLK_CNTL0 0x94 #define AO_RTC_ALT_CLK_CNTL1 0x98 +static const struct clk_parent_data g12a_ao_pclk_parents = { .fw_name = "mpeg-clk" }; + +#define G12A_AO_PCLK(_name, _reg, _bit, _flags) \ + MESON_PCLK(g12a_ao_##_name, _reg, _bit, &g12a_ao_pclk_parents, _flags) + /* - * Like every other peripheral clock gate in Amlogic Clock drivers, - * we are using CLK_IGNORE_UNUSED here, so we keep the state of the - * bootloader. The goal is to remove this flag at some point. - * Actually removing it will require some extensive test to be done safely. + * NOTE: The gates below are marked with CLK_IGNORE_UNUSED for historic reasons + * Users are encouraged to test without it and submit changes to: + * - remove the flag if not necessary + * - replace the flag with something more adequate, such as CLK_IS_CRITICAL, + * if appropriate. + * - add a comment explaining why the use of CLK_IGNORE_UNUSED is desirable + * for a particular clock. */ -#define AXG_AO_GATE(_name, _reg, _bit) \ -static struct clk_regmap g12a_aoclk_##_name = { \ - .data = &(struct clk_regmap_gate_data) { \ - .offset = (_reg), \ - .bit_idx = (_bit), \ - }, \ - .hw.init = &(struct clk_init_data) { \ - .name = "g12a_ao_" #_name, \ - .ops = &clk_regmap_gate_ops, \ - .parent_data = &(const struct clk_parent_data) { \ - .fw_name = "mpeg-clk", \ - }, \ - .num_parents = 1, \ - .flags = CLK_IGNORE_UNUSED, \ - }, \ -} +static G12A_AO_PCLK(ahb, AO_CLK_GATE0, 0, CLK_IGNORE_UNUSED); +static G12A_AO_PCLK(ir_in, AO_CLK_GATE0, 1, CLK_IGNORE_UNUSED); +static G12A_AO_PCLK(i2c_m0, AO_CLK_GATE0, 2, CLK_IGNORE_UNUSED); +static G12A_AO_PCLK(i2c_s0, AO_CLK_GATE0, 3, CLK_IGNORE_UNUSED); +static G12A_AO_PCLK(uart, AO_CLK_GATE0, 4, CLK_IGNORE_UNUSED); +static G12A_AO_PCLK(prod_i2c, AO_CLK_GATE0, 5, CLK_IGNORE_UNUSED); +static G12A_AO_PCLK(uart2, AO_CLK_GATE0, 6, CLK_IGNORE_UNUSED); +static G12A_AO_PCLK(ir_out, AO_CLK_GATE0, 7, CLK_IGNORE_UNUSED); +static G12A_AO_PCLK(saradc, AO_CLK_GATE0, 8, CLK_IGNORE_UNUSED); -AXG_AO_GATE(ahb, AO_CLK_GATE0, 0); -AXG_AO_GATE(ir_in, AO_CLK_GATE0, 1); -AXG_AO_GATE(i2c_m0, AO_CLK_GATE0, 2); -AXG_AO_GATE(i2c_s0, AO_CLK_GATE0, 3); -AXG_AO_GATE(uart, AO_CLK_GATE0, 4); -AXG_AO_GATE(prod_i2c, AO_CLK_GATE0, 5); -AXG_AO_GATE(uart2, AO_CLK_GATE0, 6); -AXG_AO_GATE(ir_out, AO_CLK_GATE0, 7); -AXG_AO_GATE(saradc, AO_CLK_GATE0, 8); -AXG_AO_GATE(mailbox, AO_CLK_GATE0_SP, 0); -AXG_AO_GATE(m3, AO_CLK_GATE0_SP, 1); -AXG_AO_GATE(ahb_sram, AO_CLK_GATE0_SP, 2); -AXG_AO_GATE(rti, AO_CLK_GATE0_SP, 3); -AXG_AO_GATE(m4_fclk, AO_CLK_GATE0_SP, 4); -AXG_AO_GATE(m4_hclk, AO_CLK_GATE0_SP, 5); +static G12A_AO_PCLK(mailbox, AO_CLK_GATE0_SP, 0, CLK_IGNORE_UNUSED); +static G12A_AO_PCLK(m3, AO_CLK_GATE0_SP, 1, CLK_IGNORE_UNUSED); +static G12A_AO_PCLK(ahb_sram, AO_CLK_GATE0_SP, 2, CLK_IGNORE_UNUSED); +static G12A_AO_PCLK(rti, AO_CLK_GATE0_SP, 3, CLK_IGNORE_UNUSED); +static G12A_AO_PCLK(m4_fclk, AO_CLK_GATE0_SP, 4, CLK_IGNORE_UNUSED); +static G12A_AO_PCLK(m4_hclk, AO_CLK_GATE0_SP, 5, CLK_IGNORE_UNUSED); -static struct clk_regmap g12a_aoclk_cts_oscin = { +static struct clk_regmap g12a_ao_cts_oscin = { .data = &(struct clk_regmap_gate_data){ .offset = AO_RTI_PWR_CNTL_REG0, .bit_idx = 14, @@ -103,22 +95,22 @@ static const struct meson_clk_dualdiv_param g12a_32k_div_table[] = { /* 32k_by_oscin clock */ -static struct clk_regmap g12a_aoclk_32k_by_oscin_pre = { +static struct clk_regmap g12a_ao_32k_by_oscin_pre = { .data = &(struct clk_regmap_gate_data){ .offset = AO_RTC_ALT_CLK_CNTL0, .bit_idx = 31, }, .hw.init = &(struct clk_init_data){ - .name = "g12a_ao_32k_by_oscin_pre", + .name = "ao_32k_by_oscin_pre", .ops = &clk_regmap_gate_ops, .parent_hws = (const struct clk_hw *[]) { - &g12a_aoclk_cts_oscin.hw + &g12a_ao_cts_oscin.hw }, .num_parents = 1, }, }; -static struct clk_regmap g12a_aoclk_32k_by_oscin_div = { +static struct clk_regmap g12a_ao_32k_by_oscin_div = { .data = &(struct meson_clk_dualdiv_data){ .n1 = { .reg_off = AO_RTC_ALT_CLK_CNTL0, @@ -148,16 +140,16 @@ static struct clk_regmap g12a_aoclk_32k_by_oscin_div = { .table = g12a_32k_div_table, }, .hw.init = &(struct clk_init_data){ - .name = "g12a_ao_32k_by_oscin_div", + .name = "ao_32k_by_oscin_div", .ops = &meson_clk_dualdiv_ops, .parent_hws = (const struct clk_hw *[]) { - &g12a_aoclk_32k_by_oscin_pre.hw + &g12a_ao_32k_by_oscin_pre.hw }, .num_parents = 1, }, }; -static struct clk_regmap g12a_aoclk_32k_by_oscin_sel = { +static struct clk_regmap g12a_ao_32k_by_oscin_sel = { .data = &(struct clk_regmap_mux_data) { .offset = AO_RTC_ALT_CLK_CNTL1, .mask = 0x1, @@ -165,27 +157,27 @@ static struct clk_regmap g12a_aoclk_32k_by_oscin_sel = { .flags = CLK_MUX_ROUND_CLOSEST, }, .hw.init = &(struct clk_init_data){ - .name = "g12a_ao_32k_by_oscin_sel", + .name = "ao_32k_by_oscin_sel", .ops = &clk_regmap_mux_ops, .parent_hws = (const struct clk_hw *[]) { - &g12a_aoclk_32k_by_oscin_div.hw, - &g12a_aoclk_32k_by_oscin_pre.hw, + &g12a_ao_32k_by_oscin_div.hw, + &g12a_ao_32k_by_oscin_pre.hw, }, .num_parents = 2, .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_regmap g12a_aoclk_32k_by_oscin = { +static struct clk_regmap g12a_ao_32k_by_oscin = { .data = &(struct clk_regmap_gate_data){ .offset = AO_RTC_ALT_CLK_CNTL0, .bit_idx = 30, }, .hw.init = &(struct clk_init_data){ - .name = "g12a_ao_32k_by_oscin", + .name = "ao_32k_by_oscin", .ops = &clk_regmap_gate_ops, .parent_hws = (const struct clk_hw *[]) { - &g12a_aoclk_32k_by_oscin_sel.hw + &g12a_ao_32k_by_oscin_sel.hw }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, @@ -194,22 +186,22 @@ static struct clk_regmap g12a_aoclk_32k_by_oscin = { /* cec clock */ -static struct clk_regmap g12a_aoclk_cec_pre = { +static struct clk_regmap g12a_ao_cec_pre = { .data = &(struct clk_regmap_gate_data){ .offset = AO_CEC_CLK_CNTL_REG0, .bit_idx = 31, }, .hw.init = &(struct clk_init_data){ - .name = "g12a_ao_cec_pre", + .name = "ao_cec_pre", .ops = &clk_regmap_gate_ops, .parent_hws = (const struct clk_hw *[]) { - &g12a_aoclk_cts_oscin.hw + &g12a_ao_cts_oscin.hw }, .num_parents = 1, }, }; -static struct clk_regmap g12a_aoclk_cec_div = { +static struct clk_regmap g12a_ao_cec_div = { .data = &(struct meson_clk_dualdiv_data){ .n1 = { .reg_off = AO_CEC_CLK_CNTL_REG0, @@ -239,16 +231,16 @@ static struct clk_regmap g12a_aoclk_cec_div = { .table = g12a_32k_div_table, }, .hw.init = &(struct clk_init_data){ - .name = "g12a_ao_cec_div", + .name = "ao_cec_div", .ops = &meson_clk_dualdiv_ops, .parent_hws = (const struct clk_hw *[]) { - &g12a_aoclk_cec_pre.hw + &g12a_ao_cec_pre.hw }, .num_parents = 1, }, }; -static struct clk_regmap g12a_aoclk_cec_sel = { +static struct clk_regmap g12a_ao_cec_sel = { .data = &(struct clk_regmap_mux_data) { .offset = AO_CEC_CLK_CNTL_REG1, .mask = 0x1, @@ -256,34 +248,34 @@ static struct clk_regmap g12a_aoclk_cec_sel = { .flags = CLK_MUX_ROUND_CLOSEST, }, .hw.init = &(struct clk_init_data){ - .name = "g12a_ao_cec_sel", + .name = "ao_cec_sel", .ops = &clk_regmap_mux_ops, .parent_hws = (const struct clk_hw *[]) { - &g12a_aoclk_cec_div.hw, - &g12a_aoclk_cec_pre.hw, + &g12a_ao_cec_div.hw, + &g12a_ao_cec_pre.hw, }, .num_parents = 2, .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_regmap g12a_aoclk_cec = { +static struct clk_regmap g12a_ao_cec = { .data = &(struct clk_regmap_gate_data){ .offset = AO_CEC_CLK_CNTL_REG0, .bit_idx = 30, }, .hw.init = &(struct clk_init_data){ - .name = "g12a_ao_cec", + .name = "ao_cec", .ops = &clk_regmap_gate_ops, .parent_hws = (const struct clk_hw *[]) { - &g12a_aoclk_cec_sel.hw + &g12a_ao_cec_sel.hw }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_regmap g12a_aoclk_cts_rtc_oscin = { +static struct clk_regmap g12a_ao_cts_rtc_oscin = { .data = &(struct clk_regmap_mux_data) { .offset = AO_RTI_PWR_CNTL_REG0, .mask = 0x1, @@ -291,10 +283,10 @@ static struct clk_regmap g12a_aoclk_cts_rtc_oscin = { .flags = CLK_MUX_ROUND_CLOSEST, }, .hw.init = &(struct clk_init_data){ - .name = "g12a_ao_cts_rtc_oscin", + .name = "ao_cts_rtc_oscin", .ops = &clk_regmap_mux_ops, .parent_data = (const struct clk_parent_data []) { - { .hw = &g12a_aoclk_32k_by_oscin.hw }, + { .hw = &g12a_ao_32k_by_oscin.hw }, { .fw_name = "ext-32k-0", }, }, .num_parents = 2, @@ -302,7 +294,7 @@ static struct clk_regmap g12a_aoclk_cts_rtc_oscin = { }, }; -static struct clk_regmap g12a_aoclk_clk81 = { +static struct clk_regmap g12a_ao_clk81 = { .data = &(struct clk_regmap_mux_data) { .offset = AO_RTI_PWR_CNTL_REG0, .mask = 0x1, @@ -310,68 +302,74 @@ static struct clk_regmap g12a_aoclk_clk81 = { .flags = CLK_MUX_ROUND_CLOSEST, }, .hw.init = &(struct clk_init_data){ + /* + * NOTE: this is one of the infamous clock the pwm driver + * can request directly by its global name. It's wrong but + * there is not much we can do about it until the support + * for the old pwm bindings is dropped + */ .name = "g12a_ao_clk81", .ops = &clk_regmap_mux_ro_ops, .parent_data = (const struct clk_parent_data []) { { .fw_name = "mpeg-clk", }, - { .hw = &g12a_aoclk_cts_rtc_oscin.hw }, + { .hw = &g12a_ao_cts_rtc_oscin.hw }, }, .num_parents = 2, .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_regmap g12a_aoclk_saradc_mux = { +static struct clk_regmap g12a_ao_saradc_mux = { .data = &(struct clk_regmap_mux_data) { .offset = AO_SAR_CLK, .mask = 0x3, .shift = 9, }, .hw.init = &(struct clk_init_data){ - .name = "g12a_ao_saradc_mux", + .name = "ao_saradc_mux", .ops = &clk_regmap_mux_ops, .parent_data = (const struct clk_parent_data []) { { .fw_name = "xtal", }, - { .hw = &g12a_aoclk_clk81.hw }, + { .hw = &g12a_ao_clk81.hw }, }, .num_parents = 2, }, }; -static struct clk_regmap g12a_aoclk_saradc_div = { +static struct clk_regmap g12a_ao_saradc_div = { .data = &(struct clk_regmap_div_data) { .offset = AO_SAR_CLK, .shift = 0, .width = 8, }, .hw.init = &(struct clk_init_data){ - .name = "g12a_ao_saradc_div", + .name = "ao_saradc_div", .ops = &clk_regmap_divider_ops, .parent_hws = (const struct clk_hw *[]) { - &g12a_aoclk_saradc_mux.hw + &g12a_ao_saradc_mux.hw }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; -static struct clk_regmap g12a_aoclk_saradc_gate = { +static struct clk_regmap g12a_ao_saradc_gate = { .data = &(struct clk_regmap_gate_data) { .offset = AO_SAR_CLK, .bit_idx = 8, }, .hw.init = &(struct clk_init_data){ - .name = "g12a_ao_saradc_gate", + .name = "ao_saradc_gate", .ops = &clk_regmap_gate_ops, .parent_hws = (const struct clk_hw *[]) { - &g12a_aoclk_saradc_div.hw + &g12a_ao_saradc_div.hw }, .num_parents = 1, .flags = CLK_SET_RATE_PARENT, }, }; -static const unsigned int g12a_aoclk_reset[] = { +static const unsigned int g12a_ao_reset[] = { [RESET_AO_IR_IN] = 16, [RESET_AO_UART] = 17, [RESET_AO_I2C_M] = 18, @@ -381,65 +379,67 @@ static const unsigned int g12a_aoclk_reset[] = { [RESET_AO_IR_OUT] = 23, }; -static struct clk_hw *g12a_aoclk_hw_clks[] = { - [CLKID_AO_AHB] = &g12a_aoclk_ahb.hw, - [CLKID_AO_IR_IN] = &g12a_aoclk_ir_in.hw, - [CLKID_AO_I2C_M0] = &g12a_aoclk_i2c_m0.hw, - [CLKID_AO_I2C_S0] = &g12a_aoclk_i2c_s0.hw, - [CLKID_AO_UART] = &g12a_aoclk_uart.hw, - [CLKID_AO_PROD_I2C] = &g12a_aoclk_prod_i2c.hw, - [CLKID_AO_UART2] = &g12a_aoclk_uart2.hw, - [CLKID_AO_IR_OUT] = &g12a_aoclk_ir_out.hw, - [CLKID_AO_SAR_ADC] = &g12a_aoclk_saradc.hw, - [CLKID_AO_MAILBOX] = &g12a_aoclk_mailbox.hw, - [CLKID_AO_M3] = &g12a_aoclk_m3.hw, - [CLKID_AO_AHB_SRAM] = &g12a_aoclk_ahb_sram.hw, - [CLKID_AO_RTI] = &g12a_aoclk_rti.hw, - [CLKID_AO_M4_FCLK] = &g12a_aoclk_m4_fclk.hw, - [CLKID_AO_M4_HCLK] = &g12a_aoclk_m4_hclk.hw, - [CLKID_AO_CLK81] = &g12a_aoclk_clk81.hw, - [CLKID_AO_SAR_ADC_SEL] = &g12a_aoclk_saradc_mux.hw, - [CLKID_AO_SAR_ADC_DIV] = &g12a_aoclk_saradc_div.hw, - [CLKID_AO_SAR_ADC_CLK] = &g12a_aoclk_saradc_gate.hw, - [CLKID_AO_CTS_OSCIN] = &g12a_aoclk_cts_oscin.hw, - [CLKID_AO_32K_PRE] = &g12a_aoclk_32k_by_oscin_pre.hw, - [CLKID_AO_32K_DIV] = &g12a_aoclk_32k_by_oscin_div.hw, - [CLKID_AO_32K_SEL] = &g12a_aoclk_32k_by_oscin_sel.hw, - [CLKID_AO_32K] = &g12a_aoclk_32k_by_oscin.hw, - [CLKID_AO_CEC_PRE] = &g12a_aoclk_cec_pre.hw, - [CLKID_AO_CEC_DIV] = &g12a_aoclk_cec_div.hw, - [CLKID_AO_CEC_SEL] = &g12a_aoclk_cec_sel.hw, - [CLKID_AO_CEC] = &g12a_aoclk_cec.hw, - [CLKID_AO_CTS_RTC_OSCIN] = &g12a_aoclk_cts_rtc_oscin.hw, +static struct clk_hw *g12a_ao_hw_clks[] = { + [CLKID_AO_AHB] = &g12a_ao_ahb.hw, + [CLKID_AO_IR_IN] = &g12a_ao_ir_in.hw, + [CLKID_AO_I2C_M0] = &g12a_ao_i2c_m0.hw, + [CLKID_AO_I2C_S0] = &g12a_ao_i2c_s0.hw, + [CLKID_AO_UART] = &g12a_ao_uart.hw, + [CLKID_AO_PROD_I2C] = &g12a_ao_prod_i2c.hw, + [CLKID_AO_UART2] = &g12a_ao_uart2.hw, + [CLKID_AO_IR_OUT] = &g12a_ao_ir_out.hw, + [CLKID_AO_SAR_ADC] = &g12a_ao_saradc.hw, + [CLKID_AO_MAILBOX] = &g12a_ao_mailbox.hw, + [CLKID_AO_M3] = &g12a_ao_m3.hw, + [CLKID_AO_AHB_SRAM] = &g12a_ao_ahb_sram.hw, + [CLKID_AO_RTI] = &g12a_ao_rti.hw, + [CLKID_AO_M4_FCLK] = &g12a_ao_m4_fclk.hw, + [CLKID_AO_M4_HCLK] = &g12a_ao_m4_hclk.hw, + [CLKID_AO_CLK81] = &g12a_ao_clk81.hw, + [CLKID_AO_SAR_ADC_SEL] = &g12a_ao_saradc_mux.hw, + [CLKID_AO_SAR_ADC_DIV] = &g12a_ao_saradc_div.hw, + [CLKID_AO_SAR_ADC_CLK] = &g12a_ao_saradc_gate.hw, + [CLKID_AO_CTS_OSCIN] = &g12a_ao_cts_oscin.hw, + [CLKID_AO_32K_PRE] = &g12a_ao_32k_by_oscin_pre.hw, + [CLKID_AO_32K_DIV] = &g12a_ao_32k_by_oscin_div.hw, + [CLKID_AO_32K_SEL] = &g12a_ao_32k_by_oscin_sel.hw, + [CLKID_AO_32K] = &g12a_ao_32k_by_oscin.hw, + [CLKID_AO_CEC_PRE] = &g12a_ao_cec_pre.hw, + [CLKID_AO_CEC_DIV] = &g12a_ao_cec_div.hw, + [CLKID_AO_CEC_SEL] = &g12a_ao_cec_sel.hw, + [CLKID_AO_CEC] = &g12a_ao_cec.hw, + [CLKID_AO_CTS_RTC_OSCIN] = &g12a_ao_cts_rtc_oscin.hw, }; -static const struct meson_aoclk_data g12a_aoclkc_data = { +static const struct meson_aoclk_data g12a_ao_clkc_data = { .reset_reg = AO_RTI_GEN_CNTL_REG0, - .num_reset = ARRAY_SIZE(g12a_aoclk_reset), - .reset = g12a_aoclk_reset, - .hw_clks = { - .hws = g12a_aoclk_hw_clks, - .num = ARRAY_SIZE(g12a_aoclk_hw_clks), + .num_reset = ARRAY_SIZE(g12a_ao_reset), + .reset = g12a_ao_reset, + .clkc_data = { + .hw_clks = { + .hws = g12a_ao_hw_clks, + .num = ARRAY_SIZE(g12a_ao_hw_clks), + }, }, }; -static const struct of_device_id g12a_aoclkc_match_table[] = { +static const struct of_device_id g12a_ao_clkc_match_table[] = { { .compatible = "amlogic,meson-g12a-aoclkc", - .data = &g12a_aoclkc_data, + .data = &g12a_ao_clkc_data.clkc_data, }, { } }; -MODULE_DEVICE_TABLE(of, g12a_aoclkc_match_table); +MODULE_DEVICE_TABLE(of, g12a_ao_clkc_match_table); -static struct platform_driver g12a_aoclkc_driver = { +static struct platform_driver g12a_ao_clkc_driver = { .probe = meson_aoclkc_probe, .driver = { .name = "g12a-aoclkc", - .of_match_table = g12a_aoclkc_match_table, + .of_match_table = g12a_ao_clkc_match_table, }, }; -module_platform_driver(g12a_aoclkc_driver); +module_platform_driver(g12a_ao_clkc_driver); MODULE_DESCRIPTION("Amlogic G12A Always-ON Clock Controller driver"); MODULE_LICENSE("GPL"); |