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- From ab4de687cdad0adbc555237364e5a8e2cdef5144 Mon Sep 17 00:00:00 2001
- From: Remi Pommarel <repk@triplefau.lt>
- Date: Sun, 6 Dec 2015 17:22:48 +0100
- Subject: [PATCH] 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;
- @@ -1609,6 +1619,9 @@ 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
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