From: Martin Sperl <kernel@xxxxxxxxxxxxxxxx>
Enable the PCM clock in the SOC, which is used by the
bcm2835-i2s driver.
Signed-off-by: Martin Sperl <kernel@xxxxxxxxxxxxxxxx>
---
drivers/clk/bcm/clk-bcm2835.c | 13 +++++++++++++
include/dt-bindings/clock/bcm2835.h | 1 +
2 files changed, 14 insertions(+)
diff --git a/drivers/clk/bcm/clk-bcm2835.c b/drivers/clk/bcm/clk-bcm2835.c
index 7c782d3..573b5b1 100644
--- a/drivers/clk/bcm/clk-bcm2835.c
+++ b/drivers/clk/bcm/clk-bcm2835.c
@@ -88,6 +88,8 @@
#define CM_HSMDIV 0x08c
#define CM_OTPCTL 0x090
#define CM_OTPDIV 0x094
+#define CM_PCMCTL 0x098
+#define CM_PCMDIV 0x09c
#define CM_PWMCTL 0x0a0
#define CM_PWMDIV 0x0a4
#define CM_SMICTL 0x0b0
@@ -826,6 +828,16 @@ static const struct bcm2835_clock_data bcm2835_clock_pwm_data = {
.frac_bits = 12,
};
+static const struct bcm2835_clock_data bcm2835_clock_pcm_data = {
+ .name = "pcm",
+ .num_mux_parents = ARRAY_SIZE(bcm2835_clock_per_parents),
+ .parents = bcm2835_clock_per_parents,
+ .ctl_reg = CM_PCMCTL,
+ .div_reg = CM_PCMDIV,
+ .int_bits = 12,
+ .frac_bits = 12,
+};
+
struct bcm2835_pll {
struct clk_hw hw;
struct bcm2835_cprman *cprman;
@@ -1616,6 +1628,7 @@ static const struct bcm2835_register_clock bcm2835_register_clocks[] = {
REGISTER_CLOCK(BCM2835_CLOCK_HSM, &bcm2835_clock_hsm_data),
REGISTER_CLOCK(BCM2835_CLOCK_EMMC, &bcm2835_clock_emmc_data),
REGISTER_CLOCK(BCM2835_CLOCK_PWM, &bcm2835_clock_pwm_data),
+ REGISTER_CLOCK(BCM2835_CLOCK_PCM, &bcm2835_clock_pcm_data),
};
void bcm2835_register_duplicate_index(
diff --git a/include/dt-bindings/clock/bcm2835.h b/include/dt-bindings/clock/bcm2835.h
index 87235ac..9a7b4a5 100644
--- 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
--
1.7.10.4
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