clk: bcm2835: enable management of PCM clock

Enable the PCM clock in the SOC, which is used by the
bcm2835-i2s driver.

Signed-off-by: Martin Sperl <kernel@martin.sperl.org>
Signed-off-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Eric Anholt <eric@anholt.net>

diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c
index a4b91a4..156ce54 100644 (file)
--- a/drivers/clk/bcm/clk-bcm2835.c
+++ b/drivers/clk/bcm/clk-bcm2835.c
@@ -1622,6 +1622,13 @@ static const struct bcm2835_clk_desc clk_desc_array[] = {
                .div_reg = CM_HSMDIV,
                .int_bits = 4,
                .frac_bits = 8),
+       [BCM2835_CLOCK_PCM]     = REGISTER_PER_CLK(
+               .name = "pcm",
+               .ctl_reg = CM_PCMCTL,
+               .div_reg = CM_PCMDIV,
+               .int_bits = 12,
+               .frac_bits = 12,
+               .is_mash_clock = true),
        [BCM2835_CLOCK_PWM]     = REGISTER_PER_CLK(
                .name = "pwm",
                .ctl_reg = CM_PWMCTL,

diff --git a/include/dt-bindings/clock/bcm2835.h b/include/dt-bindings/clock/bcm2835.h
index 87235ac..9a7b4a5 100644 (file)
--- a/include/dt-bindings/clock/bcm2835.h
+++ b/include/dt-bindings/clock/bcm2835.h
@@ -44,3 +44,4 @@
 #define BCM2835_CLOCK_EMMC             28
 #define BCM2835_CLOCK_PERI_IMAGE       29
 #define BCM2835_CLOCK_PWM              30
+#define BCM2835_CLOCK_PCM              31