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From 817850fa2ab1a1b66ac1235b9dfe403d5efc8ac4 Mon Sep 17 00:00:00 2001
From: Martin Sperl <kernel@martin.sperl.org>
Date: Mon, 29 Feb 2016 12:51:43 +0000
Subject: [PATCH] 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>
(cherry picked from commit 33b689600f43094a9316a1b582f2286d17bc737b)
---
drivers/clk/bcm/clk-bcm2835.c | 7 +++++++
include/dt-bindings/clock/bcm2835.h | 1 +
2 files changed, 8 insertions(+)
--- a/drivers/clk/bcm/clk-bcm2835.c
+++ b/drivers/clk/bcm/clk-bcm2835.c
@@ -1644,6 +1644,13 @@ static const struct bcm2835_clk_desc clk
.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,
--- 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
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