diff options
Diffstat (limited to 'drivers/clk/tegra/clk-tegra114.c')
| -rw-r--r-- | drivers/clk/tegra/clk-tegra114.c | 90 |
1 files changed, 41 insertions, 49 deletions
diff --git a/drivers/clk/tegra/clk-tegra114.c b/drivers/clk/tegra/clk-tegra114.c index 625d11091330..6c8e053311c3 100644 --- a/drivers/clk/tegra/clk-tegra114.c +++ b/drivers/clk/tegra/clk-tegra114.c @@ -1,17 +1,6 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * Copyright (c) 2012, 2013, NVIDIA CORPORATION. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <linux/io.h> @@ -22,6 +11,7 @@ #include <linux/export.h> #include <linux/clk/tegra.h> #include <dt-bindings/clock/tegra114-car.h> +#include <dt-bindings/reset/nvidia,tegra114-car.h> #include "clk.h" #include "clk-id.h" @@ -746,8 +736,9 @@ static struct tegra_clk tegra114_clks[tegra_clk_max] __initdata = { [tegra_clk_fuse_burn] = { .dt_id = TEGRA114_CLK_FUSE_BURN, .present = true }, [tegra_clk_clk_32k] = { .dt_id = TEGRA114_CLK_CLK_32K, .present = true }, [tegra_clk_clk_m] = { .dt_id = TEGRA114_CLK_CLK_M, .present = true }, - [tegra_clk_clk_m_div2] = { .dt_id = TEGRA114_CLK_CLK_M_DIV2, .present = true }, - [tegra_clk_clk_m_div4] = { .dt_id = TEGRA114_CLK_CLK_M_DIV4, .present = true }, + [tegra_clk_osc] = { .dt_id = TEGRA114_CLK_OSC, .present = true }, + [tegra_clk_osc_div2] = { .dt_id = TEGRA114_CLK_OSC_DIV2, .present = true }, + [tegra_clk_osc_div4] = { .dt_id = TEGRA114_CLK_OSC_DIV4, .present = true }, [tegra_clk_pll_ref] = { .dt_id = TEGRA114_CLK_PLL_REF, .present = true }, [tegra_clk_pll_c] = { .dt_id = TEGRA114_CLK_PLL_C, .present = true }, [tegra_clk_pll_c_out1] = { .dt_id = TEGRA114_CLK_PLL_C_OUT1, .present = true }, @@ -789,10 +780,6 @@ static struct tegra_clk tegra114_clks[tegra_clk_max] __initdata = { [tegra_clk_audio3] = { .dt_id = TEGRA114_CLK_AUDIO3, .present = true }, [tegra_clk_audio4] = { .dt_id = TEGRA114_CLK_AUDIO4, .present = true }, [tegra_clk_spdif] = { .dt_id = TEGRA114_CLK_SPDIF, .present = true }, - [tegra_clk_clk_out_1] = { .dt_id = TEGRA114_CLK_CLK_OUT_1, .present = true }, - [tegra_clk_clk_out_2] = { .dt_id = TEGRA114_CLK_CLK_OUT_2, .present = true }, - [tegra_clk_clk_out_3] = { .dt_id = TEGRA114_CLK_CLK_OUT_3, .present = true }, - [tegra_clk_blink] = { .dt_id = TEGRA114_CLK_BLINK, .present = true }, [tegra_clk_xusb_host_src] = { .dt_id = TEGRA114_CLK_XUSB_HOST_SRC, .present = true }, [tegra_clk_xusb_falcon_src] = { .dt_id = TEGRA114_CLK_XUSB_FALCON_SRC, .present = true }, [tegra_clk_xusb_fs_src] = { .dt_id = TEGRA114_CLK_XUSB_FS_SRC, .present = true }, @@ -814,9 +801,6 @@ static struct tegra_clk tegra114_clks[tegra_clk_max] __initdata = { [tegra_clk_audio3_mux] = { .dt_id = TEGRA114_CLK_AUDIO3_MUX, .present = true }, [tegra_clk_audio4_mux] = { .dt_id = TEGRA114_CLK_AUDIO4_MUX, .present = true }, [tegra_clk_spdif_mux] = { .dt_id = TEGRA114_CLK_SPDIF_MUX, .present = true }, - [tegra_clk_clk_out_1_mux] = { .dt_id = TEGRA114_CLK_CLK_OUT_1_MUX, .present = true }, - [tegra_clk_clk_out_2_mux] = { .dt_id = TEGRA114_CLK_CLK_OUT_2_MUX, .present = true }, - [tegra_clk_clk_out_3_mux] = { .dt_id = TEGRA114_CLK_CLK_OUT_3_MUX, .present = true }, [tegra_clk_dsia_mux] = { .dt_id = TEGRA114_CLK_DSIA_MUX, .present = true }, [tegra_clk_dsib_mux] = { .dt_id = TEGRA114_CLK_DSIB_MUX, .present = true }, [tegra_clk_cec] = { .dt_id = TEGRA114_CLK_CEC, .present = true }, @@ -826,8 +810,9 @@ static struct tegra_devclk devclks[] __initdata = { { .con_id = "clk_m", .dt_id = TEGRA114_CLK_CLK_M }, { .con_id = "pll_ref", .dt_id = TEGRA114_CLK_PLL_REF }, { .con_id = "clk_32k", .dt_id = TEGRA114_CLK_CLK_32K }, - { .con_id = "clk_m_div2", .dt_id = TEGRA114_CLK_CLK_M_DIV2 }, - { .con_id = "clk_m_div4", .dt_id = TEGRA114_CLK_CLK_M_DIV4 }, + { .con_id = "osc", .dt_id = TEGRA114_CLK_OSC }, + { .con_id = "osc_div2", .dt_id = TEGRA114_CLK_OSC_DIV2 }, + { .con_id = "osc_div4", .dt_id = TEGRA114_CLK_OSC_DIV4 }, { .con_id = "pll_c", .dt_id = TEGRA114_CLK_PLL_C }, { .con_id = "pll_c_out1", .dt_id = TEGRA114_CLK_PLL_C_OUT1 }, { .con_id = "pll_c2", .dt_id = TEGRA114_CLK_PLL_C2 }, @@ -874,10 +859,9 @@ static struct tegra_devclk devclks[] __initdata = { { .con_id = "audio3_2x", .dt_id = TEGRA114_CLK_AUDIO3_2X }, { .con_id = "audio4_2x", .dt_id = TEGRA114_CLK_AUDIO4_2X }, { .con_id = "spdif_2x", .dt_id = TEGRA114_CLK_SPDIF_2X }, - { .con_id = "extern1", .dev_id = "clk_out_1", .dt_id = TEGRA114_CLK_EXTERN1 }, - { .con_id = "extern2", .dev_id = "clk_out_2", .dt_id = TEGRA114_CLK_EXTERN2 }, - { .con_id = "extern3", .dev_id = "clk_out_3", .dt_id = TEGRA114_CLK_EXTERN3 }, - { .con_id = "blink", .dt_id = TEGRA114_CLK_BLINK }, + { .con_id = "extern1", .dt_id = TEGRA114_CLK_EXTERN1 }, + { .con_id = "extern2", .dt_id = TEGRA114_CLK_EXTERN2 }, + { .con_id = "extern3", .dt_id = TEGRA114_CLK_EXTERN3 }, { .con_id = "cclk_g", .dt_id = TEGRA114_CLK_CCLK_G }, { .con_id = "cclk_lp", .dt_id = TEGRA114_CLK_CCLK_LP }, { .con_id = "sclk", .dt_id = TEGRA114_CLK_SCLK }, @@ -911,17 +895,6 @@ static void __init tegra114_fixed_clk_init(void __iomem *clk_base) /* clk_32k */ clk = clk_register_fixed_rate(NULL, "clk_32k", NULL, 0, 32768); clks[TEGRA114_CLK_CLK_32K] = clk; - - /* clk_m_div2 */ - clk = clk_register_fixed_factor(NULL, "clk_m_div2", "clk_m", - CLK_SET_RATE_PARENT, 1, 2); - clks[TEGRA114_CLK_CLK_M_DIV2] = clk; - - /* clk_m_div4 */ - clk = clk_register_fixed_factor(NULL, "clk_m_div4", "clk_m", - CLK_SET_RATE_PARENT, 1, 4); - clks[TEGRA114_CLK_CLK_M_DIV4] = clk; - } static void __init tegra114_pll_init(void __iomem *clk_base, @@ -1164,11 +1137,8 @@ static struct tegra_clk_init_table init_table[] __initdata = { { TEGRA114_CLK_UARTB, TEGRA114_CLK_PLL_P, 408000000, 0 }, { TEGRA114_CLK_UARTC, TEGRA114_CLK_PLL_P, 408000000, 0 }, { TEGRA114_CLK_UARTD, TEGRA114_CLK_PLL_P, 408000000, 0 }, - { TEGRA114_CLK_PLL_A, TEGRA114_CLK_CLK_MAX, 564480000, 1 }, - { TEGRA114_CLK_PLL_A_OUT0, TEGRA114_CLK_CLK_MAX, 11289600, 1 }, - { TEGRA114_CLK_EXTERN1, TEGRA114_CLK_PLL_A_OUT0, 0, 1 }, - { TEGRA114_CLK_CLK_OUT_1_MUX, TEGRA114_CLK_EXTERN1, 0, 1 }, - { TEGRA114_CLK_CLK_OUT_1, TEGRA114_CLK_CLK_MAX, 0, 1 }, + { TEGRA114_CLK_PLL_A, TEGRA114_CLK_CLK_MAX, 564480000, 0 }, + { TEGRA114_CLK_PLL_A_OUT0, TEGRA114_CLK_CLK_MAX, 11289600, 0 }, { TEGRA114_CLK_I2S0, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0 }, { TEGRA114_CLK_I2S1, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0 }, { TEGRA114_CLK_I2S2, TEGRA114_CLK_PLL_A_OUT0, 11289600, 0 }, @@ -1189,7 +1159,7 @@ static struct tegra_clk_init_table init_table[] __initdata = { { TEGRA114_CLK_XUSB_HS_SRC, TEGRA114_CLK_XUSB_SS_DIV2, 61200000, 0 }, { TEGRA114_CLK_XUSB_FALCON_SRC, TEGRA114_CLK_PLL_P, 204000000, 0 }, { TEGRA114_CLK_XUSB_HOST_SRC, TEGRA114_CLK_PLL_P, 102000000, 0 }, - { TEGRA114_CLK_VDE, TEGRA114_CLK_CLK_MAX, 600000000, 0 }, + { TEGRA114_CLK_VDE, TEGRA114_CLK_PLL_P, 408000000, 0 }, { TEGRA114_CLK_SPDIF_IN_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 }, { TEGRA114_CLK_I2S0_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 }, { TEGRA114_CLK_I2S1_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 }, @@ -1197,6 +1167,7 @@ static struct tegra_clk_init_table init_table[] __initdata = { { TEGRA114_CLK_I2S3_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 }, { TEGRA114_CLK_I2S4_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 }, { TEGRA114_CLK_VIMCLK_SYNC, TEGRA114_CLK_CLK_MAX, 24000000, 0 }, + { TEGRA114_CLK_PWM, TEGRA114_CLK_PLL_P, 408000000, 0 }, /* must be the last entry */ { TEGRA114_CLK_CLK_MAX, TEGRA114_CLK_CLK_MAX, 0, 0 }, }; @@ -1302,7 +1273,7 @@ EXPORT_SYMBOL(tegra114_clock_tune_cpu_trimmers_init); * * Assert the reset line of the DFLL's DVCO. No return value. */ -void tegra114_clock_assert_dfll_dvco_reset(void) +static void tegra114_clock_assert_dfll_dvco_reset(void) { u32 v; @@ -1311,7 +1282,6 @@ void tegra114_clock_assert_dfll_dvco_reset(void) writel_relaxed(v, clk_base + RST_DFLL_DVCO); tegra114_car_barrier(); } -EXPORT_SYMBOL(tegra114_clock_assert_dfll_dvco_reset); /** * tegra114_clock_deassert_dfll_dvco_reset - deassert the DFLL's DVCO reset @@ -1319,7 +1289,7 @@ EXPORT_SYMBOL(tegra114_clock_assert_dfll_dvco_reset); * Deassert the reset line of the DFLL's DVCO, allowing the DVCO to * operate. No return value. */ -void tegra114_clock_deassert_dfll_dvco_reset(void) +static void tegra114_clock_deassert_dfll_dvco_reset(void) { u32 v; @@ -1328,7 +1298,26 @@ void tegra114_clock_deassert_dfll_dvco_reset(void) writel_relaxed(v, clk_base + RST_DFLL_DVCO); tegra114_car_barrier(); } -EXPORT_SYMBOL(tegra114_clock_deassert_dfll_dvco_reset); + +static int tegra114_reset_assert(unsigned long id) +{ + if (id == TEGRA114_RST_DFLL_DVCO) + tegra114_clock_assert_dfll_dvco_reset(); + else + return -EINVAL; + + return 0; +} + +static int tegra114_reset_deassert(unsigned long id) +{ + if (id == TEGRA114_RST_DFLL_DVCO) + tegra114_clock_deassert_dfll_dvco_reset(); + else + return -EINVAL; + + return 0; +} static void __init tegra114_clock_init(struct device_node *np) { @@ -1348,6 +1337,7 @@ static void __init tegra114_clock_init(struct device_node *np) } pmc_base = of_iomap(node, 0); + of_node_put(node); if (!pmc_base) { pr_err("Can't map pmc registers\n"); WARN_ON(1); @@ -1370,10 +1360,12 @@ static void __init tegra114_clock_init(struct device_node *np) tegra_audio_clk_init(clk_base, pmc_base, tegra114_clks, tegra114_audio_plls, ARRAY_SIZE(tegra114_audio_plls), 24000000); - tegra_pmc_clk_init(pmc_base, tegra114_clks); tegra_super_clk_gen4_init(clk_base, pmc_base, tegra114_clks, &pll_x_params); + tegra_init_special_resets(1, tegra114_reset_assert, + tegra114_reset_deassert); + tegra_add_of_provider(np, of_clk_src_onecell_get); tegra_register_devclks(devclks, ARRAY_SIZE(devclks)); |