This function allows to convert a device tree clock ID to PLL ID.
Tested-by: Andreas Westman Dorcsak hedmoo@yahoo.com # ASUS TF T30 Tested-by: Robert Eckelmann longnoserob@gmail.com # ASUS TF101 T20 Tested-by: Svyatoslav Ryhel clamor95@gmail.com # HTC One X Signed-off-by: Svyatoslav Ryhel clamor95@gmail.com --- arch/arm/include/asm/arch-tegra/clock.h | 8 ++++++ arch/arm/mach-tegra/tegra114/clock.c | 37 ++++++++++++++++++++++++ arch/arm/mach-tegra/tegra124/clock.c | 38 +++++++++++++++++++++++++ arch/arm/mach-tegra/tegra20/clock.c | 37 ++++++++++++++++++++++++ arch/arm/mach-tegra/tegra210/clock.c | 37 ++++++++++++++++++++++++ arch/arm/mach-tegra/tegra30/clock.c | 37 ++++++++++++++++++++++++ 6 files changed, 194 insertions(+)
diff --git a/arch/arm/include/asm/arch-tegra/clock.h b/arch/arm/include/asm/arch-tegra/clock.h index 1dd5d0742c..2270501406 100644 --- a/arch/arm/include/asm/arch-tegra/clock.h +++ b/arch/arm/include/asm/arch-tegra/clock.h @@ -354,6 +354,14 @@ int get_periph_clock_source(enum periph_id periph_id, */ enum periph_id clk_id_to_periph_id(int clk_id);
+/* + * Convert a device tree clock ID to our PLL ID. + * + * @param clk_id Clock ID according to tegra device tree binding + * Return: clock ID, or CLOCK_ID_NONE if the clock ID is invalid + */ +enum clock_id clk_id_to_pll_id(int clk_id); + /** * Set the output frequency you want for each PLL clock. * PLL output frequencies are programmed by setting their N, M and P values. diff --git a/arch/arm/mach-tegra/tegra114/clock.c b/arch/arm/mach-tegra/tegra114/clock.c index 143f86863f..15c2adc417 100644 --- a/arch/arm/mach-tegra/tegra114/clock.c +++ b/arch/arm/mach-tegra/tegra114/clock.c @@ -19,6 +19,8 @@ #include <fdtdec.h> #include <linux/delay.h>
+#include <dt-bindings/clock/tegra114-car.h> + /* * Clock types that we can use as a source. The Tegra114 has muxes for the * peripheral clocks, and in most cases there are four options for the clock @@ -646,6 +648,41 @@ enum periph_id clk_id_to_periph_id(int clk_id) return clk_id; } } + +/* + * Convert a device tree clock ID to our PLL ID. + * + * @param clk_id Clock ID according to tegra114 device tree binding + * Return: clock ID, or CLOCK_ID_NONE if the clock ID is invalid + */ +enum clock_id clk_id_to_pll_id(int clk_id) +{ + switch (clk_id) { + case TEGRA114_CLK_PLL_C: + return CLOCK_ID_CGENERAL; + case TEGRA114_CLK_PLL_M: + return CLOCK_ID_MEMORY; + case TEGRA114_CLK_PLL_P: + return CLOCK_ID_PERIPH; + case TEGRA114_CLK_PLL_A: + return CLOCK_ID_AUDIO; + case TEGRA114_CLK_PLL_U: + return CLOCK_ID_USB; + case TEGRA114_CLK_PLL_D: + case TEGRA114_CLK_PLL_D_OUT0: + return CLOCK_ID_DISPLAY; + case TEGRA114_CLK_PLL_X: + return CLOCK_ID_XCPU; + case TEGRA114_CLK_PLL_E_OUT0: + return CLOCK_ID_EPCI; + case TEGRA114_CLK_CLK_32K: + return CLOCK_ID_32KHZ; + case TEGRA114_CLK_CLK_M: + return CLOCK_ID_CLK_M; + default: + return CLOCK_ID_NONE; + } +} #endif /* CONFIG_IS_ENABLED(OF_CONTROL) */
void clock_early_init(void) diff --git a/arch/arm/mach-tegra/tegra124/clock.c b/arch/arm/mach-tegra/tegra124/clock.c index da38b26c27..415ba15e5d 100644 --- a/arch/arm/mach-tegra/tegra124/clock.c +++ b/arch/arm/mach-tegra/tegra124/clock.c @@ -19,6 +19,9 @@ #include <fdtdec.h> #include <linux/delay.h>
+#include <dt-bindings/clock/tegra124-car.h> +#include <dt-bindings/clock/tegra124-car-common.h> + /* * Clock types that we can use as a source. The Tegra124 has muxes for the * peripheral clocks, and in most cases there are four options for the clock @@ -826,6 +829,41 @@ enum periph_id clk_id_to_periph_id(int clk_id) return clk_id; } } + +/* + * Convert a device tree clock ID to our PLL ID. + * + * @param clk_id Clock ID according to tegra124 device tree binding + * Return: clock ID, or CLOCK_ID_NONE if the clock ID is invalid + */ +enum clock_id clk_id_to_pll_id(int clk_id) +{ + switch (clk_id) { + case TEGRA124_CLK_PLL_C: + return CLOCK_ID_CGENERAL; + case TEGRA124_CLK_PLL_M: + return CLOCK_ID_MEMORY; + case TEGRA124_CLK_PLL_P: + return CLOCK_ID_PERIPH; + case TEGRA124_CLK_PLL_A: + return CLOCK_ID_AUDIO; + case TEGRA124_CLK_PLL_U: + return CLOCK_ID_USB; + case TEGRA124_CLK_PLL_D: + case TEGRA124_CLK_PLL_D_OUT0: + return CLOCK_ID_DISPLAY; + case TEGRA124_CLK_PLL_X: + return CLOCK_ID_XCPU; + case TEGRA124_CLK_PLL_E: + return CLOCK_ID_EPCI; + case TEGRA124_CLK_CLK_32K: + return CLOCK_ID_32KHZ; + case TEGRA124_CLK_CLK_M: + return CLOCK_ID_CLK_M; + default: + return CLOCK_ID_NONE; + } +} #endif /* CONFIG_IS_ENABLED(OF_CONTROL) */
void clock_early_init(void) diff --git a/arch/arm/mach-tegra/tegra20/clock.c b/arch/arm/mach-tegra/tegra20/clock.c index 0316073d1a..593622bfdc 100644 --- a/arch/arm/mach-tegra/tegra20/clock.c +++ b/arch/arm/mach-tegra/tegra20/clock.c @@ -20,6 +20,8 @@ #include <fdtdec.h> #include <linux/delay.h>
+#include <dt-bindings/clock/tegra20-car.h> + /* * Clock types that we can use as a source. The Tegra20 has muxes for the * peripheral clocks, and in most cases there are four options for the clock @@ -578,6 +580,41 @@ enum periph_id clk_id_to_periph_id(int clk_id) return clk_id; } } + +/* + * Convert a device tree clock ID to our PLL ID. + * + * @param clk_id Clock ID according to tegra20 device tree binding + * Return: clock ID, or CLOCK_ID_NONE if the clock ID is invalid + */ +enum clock_id clk_id_to_pll_id(int clk_id) +{ + switch (clk_id) { + case TEGRA20_CLK_PLL_C: + return CLOCK_ID_CGENERAL; + case TEGRA20_CLK_PLL_M: + return CLOCK_ID_MEMORY; + case TEGRA20_CLK_PLL_P: + return CLOCK_ID_PERIPH; + case TEGRA20_CLK_PLL_A: + return CLOCK_ID_AUDIO; + case TEGRA20_CLK_PLL_U: + return CLOCK_ID_USB; + case TEGRA20_CLK_PLL_D: + case TEGRA20_CLK_PLL_D_OUT0: + return CLOCK_ID_DISPLAY; + case TEGRA20_CLK_PLL_X: + return CLOCK_ID_XCPU; + case TEGRA20_CLK_PLL_E: + return CLOCK_ID_EPCI; + case TEGRA20_CLK_CLK_32K: + return CLOCK_ID_32KHZ; + case TEGRA20_CLK_CLK_M: + return CLOCK_ID_CLK_M; + default: + return CLOCK_ID_NONE; + } +} #endif /* CONFIG_IS_ENABLED(OF_CONTROL) */
void clock_early_init(void) diff --git a/arch/arm/mach-tegra/tegra210/clock.c b/arch/arm/mach-tegra/tegra210/clock.c index 330753f2ad..76fbfef580 100644 --- a/arch/arm/mach-tegra/tegra210/clock.c +++ b/arch/arm/mach-tegra/tegra210/clock.c @@ -22,6 +22,8 @@ #include <linux/bitops.h> #include <linux/delay.h>
+#include <dt-bindings/clock/tegra210-car.h> + /* * Clock types that we can use as a source. The Tegra210 has muxes for the * peripheral clocks, and in most cases there are four options for the clock @@ -914,6 +916,41 @@ enum periph_id clk_id_to_periph_id(int clk_id) return clk_id; } } + +/* + * Convert a device tree clock ID to our PLL ID. + * + * @param clk_id Clock ID according to tegra210 device tree binding + * Return: clock ID, or CLOCK_ID_NONE if the clock ID is invalid + */ +enum clock_id clk_id_to_pll_id(int clk_id) +{ + switch (clk_id) { + case TEGRA210_CLK_PLL_C: + return CLOCK_ID_CGENERAL; + case TEGRA210_CLK_PLL_M: + return CLOCK_ID_MEMORY; + case TEGRA210_CLK_PLL_P: + return CLOCK_ID_PERIPH; + case TEGRA210_CLK_PLL_A: + return CLOCK_ID_AUDIO; + case TEGRA210_CLK_PLL_U: + return CLOCK_ID_USB; + case TEGRA210_CLK_PLL_D: + case TEGRA210_CLK_PLL_D_OUT0: + return CLOCK_ID_DISPLAY; + case TEGRA210_CLK_PLL_X: + return CLOCK_ID_XCPU; + case TEGRA210_CLK_PLL_E: + return CLOCK_ID_EPCI; + case TEGRA210_CLK_CLK_32K: + return CLOCK_ID_32KHZ; + case TEGRA210_CLK_CLK_M: + return CLOCK_ID_CLK_M; + default: + return CLOCK_ID_NONE; + } +} #endif /* CONFIG_OF_CONTROL */
/* diff --git a/arch/arm/mach-tegra/tegra30/clock.c b/arch/arm/mach-tegra/tegra30/clock.c index e5c2fd542c..dcdd0d0978 100644 --- a/arch/arm/mach-tegra/tegra30/clock.c +++ b/arch/arm/mach-tegra/tegra30/clock.c @@ -19,6 +19,8 @@ #include <fdtdec.h> #include <linux/delay.h>
+#include <dt-bindings/clock/tegra30-car.h> + /* * Clock types that we can use as a source. The Tegra30 has muxes for the * peripheral clocks, and in most cases there are four options for the clock @@ -628,6 +630,41 @@ enum periph_id clk_id_to_periph_id(int clk_id) return clk_id; } } + +/* + * Convert a device tree clock ID to our PLL ID. + * + * @param clk_id Clock ID according to tegra30 device tree binding + * Return: clock ID, or CLOCK_ID_NONE if the clock ID is invalid + */ +enum clock_id clk_id_to_pll_id(int clk_id) +{ + switch (clk_id) { + case TEGRA30_CLK_PLL_C: + return CLOCK_ID_CGENERAL; + case TEGRA30_CLK_PLL_M: + return CLOCK_ID_MEMORY; + case TEGRA30_CLK_PLL_P: + return CLOCK_ID_PERIPH; + case TEGRA30_CLK_PLL_A: + return CLOCK_ID_AUDIO; + case TEGRA30_CLK_PLL_U: + return CLOCK_ID_USB; + case TEGRA30_CLK_PLL_D: + case TEGRA30_CLK_PLL_D_OUT0: + return CLOCK_ID_DISPLAY; + case TEGRA30_CLK_PLL_X: + return CLOCK_ID_XCPU; + case TEGRA30_CLK_PLL_E: + return CLOCK_ID_EPCI; + case TEGRA30_CLK_CLK_32K: + return CLOCK_ID_32KHZ; + case TEGRA30_CLK_CLK_M: + return CLOCK_ID_CLK_M; + default: + return CLOCK_ID_NONE; + } +} #endif /* CONFIG_IS_ENABLED(OF_CONTROL) */
void clock_early_init(void)