diff options
Diffstat (limited to 'target/linux/brcm2708/patches-4.4/0254-clk-bcm2835-Add-PWM-clock-support.patch')
| -rw-r--r-- | target/linux/brcm2708/patches-4.4/0254-clk-bcm2835-Add-PWM-clock-support.patch | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/target/linux/brcm2708/patches-4.4/0254-clk-bcm2835-Add-PWM-clock-support.patch b/target/linux/brcm2708/patches-4.4/0254-clk-bcm2835-Add-PWM-clock-support.patch new file mode 100644 index 0000000000..1f79e88d0f --- /dev/null +++ b/target/linux/brcm2708/patches-4.4/0254-clk-bcm2835-Add-PWM-clock-support.patch @@ -0,0 +1,55 @@ +From 356488d8d56d35fe7316d829d1bfc7a7ec362d6c Mon Sep 17 00:00:00 2001 +From: Remi Pommarel <repk@triplefau.lt> +Date: Sun, 6 Dec 2015 17:22:48 +0100 +Subject: [PATCH 254/304] clk: bcm2835: Add PWM clock support + +Register the pwm clock for bcm2835. + +Signed-off-by: Remi Pommarel <repk@triplefau.lt> +Reviewed-by: Eric Anholt <eric@anholt.net> +Signed-off-by: Michael Turquette <mturquette@baylibre.com> +(cherry picked from commit cfbab8fbab9c330aca963095a439c451ac97c0dd) +--- + drivers/clk/bcm/clk-bcm2835.c | 13 +++++++++++++ + include/dt-bindings/clock/bcm2835.h | 3 ++- + 2 files changed, 15 insertions(+), 1 deletion(-) + +--- a/drivers/clk/bcm/clk-bcm2835.c ++++ b/drivers/clk/bcm/clk-bcm2835.c +@@ -807,6 +807,16 @@ static const struct bcm2835_clock_data b + .frac_bits = 8, + }; + ++static const struct bcm2835_clock_data bcm2835_clock_pwm_data = { ++ .name = "pwm", ++ .num_mux_parents = ARRAY_SIZE(bcm2835_clock_per_parents), ++ .parents = bcm2835_clock_per_parents, ++ .ctl_reg = CM_PWMCTL, ++ .div_reg = CM_PWMDIV, ++ .int_bits = 12, ++ .frac_bits = 12, ++}; ++ + struct bcm2835_pll { + struct clk_hw hw; + struct bcm2835_cprman *cprman; +@@ -1586,6 +1596,9 @@ static int bcm2835_clk_probe(struct plat + cprman->regs + CM_PERIICTL, CM_GATE_BIT, + 0, &cprman->regs_lock); + ++ clks[BCM2835_CLOCK_PWM] = ++ bcm2835_register_clock(cprman, &bcm2835_clock_pwm_data); ++ + return of_clk_add_provider(dev->of_node, of_clk_src_onecell_get, + &cprman->onecell); + } +--- a/include/dt-bindings/clock/bcm2835.h ++++ b/include/dt-bindings/clock/bcm2835.h +@@ -43,5 +43,6 @@ + #define BCM2835_CLOCK_TSENS 27 + #define BCM2835_CLOCK_EMMC 28 + #define BCM2835_CLOCK_PERI_IMAGE 29 ++#define BCM2835_CLOCK_PWM 30 + +-#define BCM2835_CLOCK_COUNT 30 ++#define BCM2835_CLOCK_COUNT 31 |