From 61fd290d213e25d5a119b8ca25644001ed9f8f2d Mon Sep 17 00:00:00 2001 From: Prashant Gaikwad Date: Fri, 11 Jan 2013 13:16:26 +0530 Subject: ARM: tegra: migrate to new clock code Migrate Tegra clock support to drivers/clk/tegra, this involves moving: 1. definition of tegra_cpu_car_ops to clk.c 2. definition of reset functions to clk-peripheral.c 3. change parent of cpu clock. 4. Remove legacy clock initialization. 5. Initialize clocks using DT. 6. Remove all instance of mach/clk.h Signed-off-by: Prashant Gaikwad [swarren: use to_clk_periph_gate().] Signed-off-by: Stephen Warren --- arch/arm/mach-tegra/board-dt-tegra20.c | 30 ----------------------- arch/arm/mach-tegra/board-dt-tegra30.c | 31 ------------------------ arch/arm/mach-tegra/clock.c | 19 --------------- arch/arm/mach-tegra/common.c | 44 ++-------------------------------- arch/arm/mach-tegra/cpu-tegra.c | 2 +- arch/arm/mach-tegra/include/mach/clk.h | 3 --- arch/arm/mach-tegra/pcie.c | 2 +- arch/arm/mach-tegra/powergate.c | 2 +- drivers/clk/tegra/clk-periph.c | 38 +++++++++++++++++++++++++++++ drivers/clk/tegra/clk.c | 16 +++++++++++++ drivers/dma/tegra20-apb-dma.c | 2 +- drivers/gpu/drm/tegra/dc.c | 3 +-- drivers/gpu/drm/tegra/drm.c | 1 - drivers/gpu/drm/tegra/hdmi.c | 3 +-- drivers/i2c/busses/i2c-tegra.c | 3 +-- drivers/input/keyboard/tegra-kbc.c | 2 +- drivers/spi/spi-tegra20-sflash.c | 2 +- drivers/spi/spi-tegra20-slink.c | 2 +- drivers/staging/nvec/nvec.c | 3 +-- include/linux/clk/tegra.h | 5 ++++ sound/soc/tegra/tegra30_ahub.c | 2 +- 21 files changed, 73 insertions(+), 142 deletions(-) diff --git a/arch/arm/mach-tegra/board-dt-tegra20.c b/arch/arm/mach-tegra/board-dt-tegra20.c index e1f87dd314ef..0c11b8af3af3 100644 --- a/arch/arm/mach-tegra/board-dt-tegra20.c +++ b/arch/arm/mach-tegra/board-dt-tegra20.c @@ -42,7 +42,6 @@ #include #include "board.h" -#include "clock.h" #include "common.h" #include "iomap.h" @@ -104,37 +103,8 @@ static struct of_dev_auxdata tegra20_auxdata_lookup[] __initdata = { {} }; -static __initdata struct tegra_clk_init_table tegra_dt_clk_init_table[] = { - /* name parent rate enabled */ - { "uarta", "pll_p", 216000000, true }, - { "uartd", "pll_p", 216000000, true }, - { "usbd", "clk_m", 12000000, false }, - { "usb2", "clk_m", 12000000, false }, - { "usb3", "clk_m", 12000000, false }, - { "pll_a", "pll_p_out1", 56448000, true }, - { "pll_a_out0", "pll_a", 11289600, true }, - { "cdev1", NULL, 0, true }, - { "blink", "clk_32k", 32768, true }, - { "i2s1", "pll_a_out0", 11289600, false}, - { "i2s2", "pll_a_out0", 11289600, false}, - { "sdmmc1", "pll_p", 48000000, false}, - { "sdmmc3", "pll_p", 48000000, false}, - { "sdmmc4", "pll_p", 48000000, false}, - { "spi", "pll_p", 20000000, false }, - { "sbc1", "pll_p", 100000000, false }, - { "sbc2", "pll_p", 100000000, false }, - { "sbc3", "pll_p", 100000000, false }, - { "sbc4", "pll_p", 100000000, false }, - { "host1x", "pll_c", 150000000, false }, - { "disp1", "pll_p", 600000000, false }, - { "disp2", "pll_p", 600000000, false }, - { NULL, NULL, 0, 0}, -}; - static void __init tegra_dt_init(void) { - tegra_clk_init_from_table(tegra_dt_clk_init_table); - /* * Finished with the static registrations now; fill in the missing * devices diff --git a/arch/arm/mach-tegra/board-dt-tegra30.c b/arch/arm/mach-tegra/board-dt-tegra30.c index cfe5fc02be77..92f6014d22a1 100644 --- a/arch/arm/mach-tegra/board-dt-tegra30.c +++ b/arch/arm/mach-tegra/board-dt-tegra30.c @@ -35,7 +35,6 @@ #include #include "board.h" -#include "clock.h" #include "common.h" #include "iomap.h" @@ -67,38 +66,8 @@ static struct of_dev_auxdata tegra30_auxdata_lookup[] __initdata = { {} }; -static __initdata struct tegra_clk_init_table tegra_dt_clk_init_table[] = { - /* name parent rate enabled */ - { "uarta", "pll_p", 408000000, true }, - { "pll_a", "pll_p_out1", 564480000, true }, - { "pll_a_out0", "pll_a", 11289600, true }, - { "extern1", "pll_a_out0", 0, true }, - { "clk_out_1", "extern1", 0, true }, - { "blink", "clk_32k", 32768, true }, - { "i2s0", "pll_a_out0", 11289600, false}, - { "i2s1", "pll_a_out0", 11289600, false}, - { "i2s2", "pll_a_out0", 11289600, false}, - { "i2s3", "pll_a_out0", 11289600, false}, - { "i2s4", "pll_a_out0", 11289600, false}, - { "sdmmc1", "pll_p", 48000000, false}, - { "sdmmc3", "pll_p", 48000000, false}, - { "sdmmc4", "pll_p", 48000000, false}, - { "sbc1", "pll_p", 100000000, false}, - { "sbc2", "pll_p", 100000000, false}, - { "sbc3", "pll_p", 100000000, false}, - { "sbc4", "pll_p", 100000000, false}, - { "sbc5", "pll_p", 100000000, false}, - { "sbc6", "pll_p", 100000000, false}, - { "host1x", "pll_c", 150000000, false}, - { "disp1", "pll_p", 600000000, false}, - { "disp2", "pll_p", 600000000, false}, - { NULL, NULL, 0, 0}, -}; - static void __init tegra30_dt_init(void) { - tegra_clk_init_from_table(tegra_dt_clk_init_table); - of_platform_populate(NULL, of_default_bus_match_table, tegra30_auxdata_lookup, NULL); } diff --git a/arch/arm/mach-tegra/clock.c b/arch/arm/mach-tegra/clock.c index 8c0ff061f8cf..baa0c5b008f1 100644 --- a/arch/arm/mach-tegra/clock.c +++ b/arch/arm/mach-tegra/clock.c @@ -31,9 +31,6 @@ #include "board.h" #include "clock.h" -/* Global data of Tegra CPU CAR ops */ -struct tegra_cpu_car_ops *tegra_cpu_car_ops; - /* * Locking: * @@ -131,22 +128,6 @@ void tegra_clk_init_from_table(struct tegra_clk_init_table *table) tegra_clk_init_one_from_table(table); } -void tegra_periph_reset_deassert(struct clk *c) -{ - struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); - BUG_ON(!clk->reset); - clk->reset(__clk_get_hw(c), false); -} -EXPORT_SYMBOL(tegra_periph_reset_deassert); - -void tegra_periph_reset_assert(struct clk *c) -{ - struct clk_tegra *clk = to_clk_tegra(__clk_get_hw(c)); - BUG_ON(!clk->reset); - clk->reset(__clk_get_hw(c), true); -} -EXPORT_SYMBOL(tegra_periph_reset_assert); - /* Several extended clock configuration bits (e.g., clock routing, clock * phase control) are included in PLL and peripheral clock source * registers. */ diff --git a/arch/arm/mach-tegra/common.c b/arch/arm/mach-tegra/common.c index 3efe80b2af28..87dd69ccdf8e 100644 --- a/arch/arm/mach-tegra/common.c +++ b/arch/arm/mach-tegra/common.c @@ -22,6 +22,7 @@ #include #include #include +#include #include #include @@ -29,7 +30,6 @@ #include #include "board.h" -#include "clock.h" #include "common.h" #include "fuse.h" #include "iomap.h" @@ -65,6 +65,7 @@ static const struct of_device_id tegra_dt_irq_match[] __initconst = { void __init tegra_dt_init_irq(void) { + tegra_clocks_init(); tegra_init_irq(); of_irq_init(tegra_dt_irq_match); } @@ -80,43 +81,6 @@ void tegra_assert_system_reset(char mode, const char *cmd) writel_relaxed(reg, reset); } -#ifdef CONFIG_ARCH_TEGRA_2x_SOC -static __initdata struct tegra_clk_init_table tegra20_clk_init_table[] = { - /* name parent rate enabled */ - { "clk_m", NULL, 0, true }, - { "pll_p", "clk_m", 216000000, true }, - { "pll_p_out1", "pll_p", 28800000, true }, - { "pll_p_out2", "pll_p", 48000000, true }, - { "pll_p_out3", "pll_p", 72000000, true }, - { "pll_p_out4", "pll_p", 24000000, true }, - { "pll_c", "clk_m", 600000000, true }, - { "pll_c_out1", "pll_c", 120000000, true }, - { "sclk", "pll_c_out1", 120000000, true }, - { "hclk", "sclk", 120000000, true }, - { "pclk", "hclk", 60000000, true }, - { "csite", NULL, 0, true }, - { "emc", NULL, 0, true }, - { "cpu", NULL, 0, true }, - { NULL, NULL, 0, 0}, -}; -#endif - -#ifdef CONFIG_ARCH_TEGRA_3x_SOC -static __initdata struct tegra_clk_init_table tegra30_clk_init_table[] = { - /* name parent rate enabled */ - { "clk_m", NULL, 0, true }, - { "pll_p", "pll_ref", 408000000, true }, - { "pll_p_out1", "pll_p", 9600000, true }, - { "pll_p_out4", "pll_p", 102000000, true }, - { "sclk", "pll_p_out4", 102000000, true }, - { "hclk", "sclk", 102000000, true }, - { "pclk", "hclk", 51000000, true }, - { "csite", NULL, 0, true }, - { NULL, NULL, 0, 0}, -}; -#endif - - static void __init tegra_init_cache(void) { #ifdef CONFIG_CACHE_L2X0 @@ -141,8 +105,6 @@ void __init tegra20_init_early(void) tegra_cpu_reset_handler_init(); tegra_apb_io_init(); tegra_init_fuse(); - tegra2_init_clocks(); - tegra_clk_init_from_table(tegra20_clk_init_table); tegra_init_cache(); tegra_pmc_init(); tegra_powergate_init(); @@ -155,8 +117,6 @@ void __init tegra30_init_early(void) tegra_cpu_reset_handler_init(); tegra_apb_io_init(); tegra_init_fuse(); - tegra30_init_clocks(); - tegra_clk_init_from_table(tegra30_clk_init_table); tegra_init_cache(); tegra_pmc_init(); tegra_powergate_init(); diff --git a/arch/arm/mach-tegra/cpu-tegra.c b/arch/arm/mach-tegra/cpu-tegra.c index 85d4a23bba03..ebffed67e2f5 100644 --- a/arch/arm/mach-tegra/cpu-tegra.c +++ b/arch/arm/mach-tegra/cpu-tegra.c @@ -266,7 +266,7 @@ static int __init tegra_cpufreq_init(void) if (IS_ERR(pll_x_clk)) return PTR_ERR(pll_x_clk); - pll_p_clk = clk_get_sys(NULL, "pll_p"); + pll_p_clk = clk_get_sys(NULL, "pll_p_cclk"); if (IS_ERR(pll_p_clk)) return PTR_ERR(pll_p_clk); diff --git a/arch/arm/mach-tegra/include/mach/clk.h b/arch/arm/mach-tegra/include/mach/clk.h index 95f3a547c770..85bbf10a7d0d 100644 --- a/arch/arm/mach-tegra/include/mach/clk.h +++ b/arch/arm/mach-tegra/include/mach/clk.h @@ -31,9 +31,6 @@ enum tegra_clk_ex_param { TEGRA_CLK_PLLD_MIPI_MUX_SEL, }; -void tegra_periph_reset_deassert(struct clk *c); -void tegra_periph_reset_assert(struct clk *c); - #ifndef CONFIG_COMMON_CLK unsigned long clk_get_rate_all_locked(struct clk *c); #endif diff --git a/arch/arm/mach-tegra/pcie.c b/arch/arm/mach-tegra/pcie.c index bffcd643d7a3..b60165f1ca02 100644 --- a/arch/arm/mach-tegra/pcie.c +++ b/arch/arm/mach-tegra/pcie.c @@ -33,11 +33,11 @@ #include #include #include +#include #include #include -#include #include #include "board.h" diff --git a/arch/arm/mach-tegra/powergate.c b/arch/arm/mach-tegra/powergate.c index 2cc1185d902e..c6bc8f85759c 100644 --- a/arch/arm/mach-tegra/powergate.c +++ b/arch/arm/mach-tegra/powergate.c @@ -26,8 +26,8 @@ #include #include #include +#include -#include #include #include "fuse.h" diff --git a/drivers/clk/tegra/clk-periph.c b/drivers/clk/tegra/clk-periph.c index 5978e81b175b..788486e6331a 100644 --- a/drivers/clk/tegra/clk-periph.c +++ b/drivers/clk/tegra/clk-periph.c @@ -110,6 +110,44 @@ static void clk_periph_disable(struct clk_hw *hw) gate_ops->disable(gate_hw); } +void tegra_periph_reset_deassert(struct clk *c) +{ + struct clk_hw *hw = __clk_get_hw(c); + struct tegra_clk_periph *periph = to_clk_periph(hw); + struct tegra_clk_periph_gate *gate; + + if (periph->magic != TEGRA_CLK_PERIPH_MAGIC) { + gate = to_clk_periph_gate(hw); + if (gate->magic != TEGRA_CLK_PERIPH_GATE_MAGIC) { + WARN_ON(1); + return; + } + } else { + gate = &periph->gate; + } + + tegra_periph_reset(gate, 0); +} + +void tegra_periph_reset_assert(struct clk *c) +{ + struct clk_hw *hw = __clk_get_hw(c); + struct tegra_clk_periph *periph = to_clk_periph(hw); + struct tegra_clk_periph_gate *gate; + + if (periph->magic != TEGRA_CLK_PERIPH_MAGIC) { + gate = to_clk_periph_gate(hw); + if (gate->magic != TEGRA_CLK_PERIPH_GATE_MAGIC) { + WARN_ON(1); + return; + } + } else { + gate = &periph->gate; + } + + tegra_periph_reset(gate, 1); +} + const struct clk_ops tegra_clk_periph_ops = { .get_parent = clk_periph_get_parent, .set_parent = clk_periph_set_parent, diff --git a/drivers/clk/tegra/clk.c b/drivers/clk/tegra/clk.c index cf023a937208..a603b9af0ad3 100644 --- a/drivers/clk/tegra/clk.c +++ b/drivers/clk/tegra/clk.c @@ -16,9 +16,14 @@ #include #include +#include +#include #include "clk.h" +/* Global data of Tegra CPU CAR ops */ +struct tegra_cpu_car_ops *tegra_cpu_car_ops; + void __init tegra_init_dup_clks(struct tegra_clk_duplicate *dup_list, struct clk *clks[], int clk_max) { @@ -67,3 +72,14 @@ void __init tegra_init_from_table(struct tegra_clk_init_table *tbl, } } } + +static const struct of_device_id tegra_dt_clk_match[] = { + { .compatible = "nvidia,tegra20-car", .data = tegra20_clock_init }, + { .compatible = "nvidia,tegra30-car", .data = tegra30_clock_init }, + { } +}; + +void __init tegra_clocks_init(void) +{ + of_clk_init(tegra_dt_clk_match); +} diff --git a/drivers/dma/tegra20-apb-dma.c b/drivers/dma/tegra20-apb-dma.c index c39e61bc8172..afc9b89e20f4 100644 --- a/drivers/dma/tegra20-apb-dma.c +++ b/drivers/dma/tegra20-apb-dma.c @@ -31,8 +31,8 @@ #include #include #include +#include -#include #include "dmaengine.h" #define TEGRA_APBDMA_GENERAL 0x0 diff --git a/drivers/gpu/drm/tegra/dc.c b/drivers/gpu/drm/tegra/dc.c index 656b2e3334a6..56813f967c8f 100644 --- a/drivers/gpu/drm/tegra/dc.c +++ b/drivers/gpu/drm/tegra/dc.c @@ -12,8 +12,7 @@ #include #include #include - -#include +#include #include "drm.h" #include "dc.h" diff --git a/drivers/gpu/drm/tegra/drm.c b/drivers/gpu/drm/tegra/drm.c index 3a503c9e4686..d980dc75788c 100644 --- a/drivers/gpu/drm/tegra/drm.c +++ b/drivers/gpu/drm/tegra/drm.c @@ -11,7 +11,6 @@ #include #include -#include #include #include diff --git a/drivers/gpu/drm/tegra/hdmi.c b/drivers/gpu/drm/tegra/hdmi.c index e060c7e6434d..92ad276cc5e0 100644 --- a/drivers/gpu/drm/tegra/hdmi.c +++ b/drivers/gpu/drm/tegra/hdmi.c @@ -14,8 +14,7 @@ #include #include #include - -#include +#include #include "hdmi.h" #include "drm.h" diff --git a/drivers/i2c/busses/i2c-tegra.c b/drivers/i2c/busses/i2c-tegra.c index 7b38877ffec1..c7aca35e38fd 100644 --- a/drivers/i2c/busses/i2c-tegra.c +++ b/drivers/i2c/busses/i2c-tegra.c @@ -29,11 +29,10 @@ #include #include #include +#include #include -#include - #define TEGRA_I2C_TIMEOUT (msecs_to_jiffies(1000)) #define BYTES_PER_FIFO_WORD 4 diff --git a/drivers/input/keyboard/tegra-kbc.c b/drivers/input/keyboard/tegra-kbc.c index c76f96872d31..54ac1dc7d477 100644 --- a/drivers/input/keyboard/tegra-kbc.c +++ b/drivers/input/keyboard/tegra-kbc.c @@ -30,7 +30,7 @@ #include #include #include -#include +#include #define KBC_MAX_DEBOUNCE_CNT 0x3ffu diff --git a/drivers/spi/spi-tegra20-sflash.c b/drivers/spi/spi-tegra20-sflash.c index 448a8cc71df3..02feaa51a0fa 100644 --- a/drivers/spi/spi-tegra20-sflash.c +++ b/drivers/spi/spi-tegra20-sflash.c @@ -34,7 +34,7 @@ #include #include #include -#include +#include #define SPI_COMMAND 0x000 #define SPI_GO BIT(30) diff --git a/drivers/spi/spi-tegra20-slink.c b/drivers/spi/spi-tegra20-slink.c index 651167f2e0af..fa208a5cc612 100644 --- a/drivers/spi/spi-tegra20-slink.c +++ b/drivers/spi/spi-tegra20-slink.c @@ -35,7 +35,7 @@ #include #include #include -#include +#include #define SLINK_COMMAND 0x000 #define SLINK_BIT_LENGTH(x) (((x) & 0x1f) << 0) diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c index 2830946860d1..d51615b19797 100644 --- a/drivers/staging/nvec/nvec.c +++ b/drivers/staging/nvec/nvec.c @@ -37,8 +37,7 @@ #include #include #include - -#include +#include #include "nvec.h" diff --git a/include/linux/clk/tegra.h b/include/linux/clk/tegra.h index 0977f2a24757..a7e5a3999099 100644 --- a/include/linux/clk/tegra.h +++ b/include/linux/clk/tegra.h @@ -17,6 +17,8 @@ #ifndef __LINUX_CLK_TEGRA_H_ #define __LINUX_CLK_TEGRA_H_ +#include + /* * Tegra CPU clock and reset control ops * @@ -120,5 +122,8 @@ static inline void tegra_cpu_clock_resume(void) void tegra20_cpu_car_ops_init(void); void tegra30_cpu_car_ops_init(void); +void tegra_periph_reset_deassert(struct clk *c); +void tegra_periph_reset_assert(struct clk *c); +void tegra_clocks_init(void); #endif /* __LINUX_CLK_TEGRA_H_ */ diff --git a/sound/soc/tegra/tegra30_ahub.c b/sound/soc/tegra/tegra30_ahub.c index f354dc390a0b..bb31c4123a7b 100644 --- a/sound/soc/tegra/tegra30_ahub.c +++ b/sound/soc/tegra/tegra30_ahub.c @@ -25,7 +25,7 @@ #include #include #include -#include +#include #include #include "tegra30_ahub.h" -- cgit v1.2.1