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[v5,2/5] clk: ep93xx: Add ADC clock

Message ID 20170603232652.21401-3-alexander.sverdlin@gmail.com (mailing list archive)
State New, archived
Headers show

Commit Message

Alexander Sverdlin June 3, 2017, 11:26 p.m. UTC 
From: Alexander Sverdlin <alexander.sverdlin@gmx.de>

ADC and keypad controller clocks share the same control register, so use the
existing infrastructure to add ADC clock support for Cirrus Logic EP93xx SoCs.

Signed-off-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Acked-by: Ryan Mallon <rmallon@gmail.com>
---
 arch/arm/mach-ep93xx/clock.c | 8 ++++++++
 1 file changed, 8 insertions(+)
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Patch

diff --git a/arch/arm/mach-ep93xx/clock.c b/arch/arm/mach-ep93xx/clock.c
index b9cd9d7da14d..425342637e47 100644
--- a/arch/arm/mach-ep93xx/clock.c
+++ b/arch/arm/mach-ep93xx/clock.c
@@ -98,6 +98,13 @@  static struct clk clk_keypad = {
 	.enable_mask	= EP93XX_SYSCON_KEYTCHCLKDIV_KEN,
 	.set_rate	= set_keytchclk_rate,
 };
+static struct clk clk_adc = {
+	.parent		= &clk_xtali,
+	.sw_locked	= 1,
+	.enable_reg	= EP93XX_SYSCON_KEYTCHCLKDIV,
+	.enable_mask	= EP93XX_SYSCON_KEYTCHCLKDIV_TSEN,
+	.set_rate	= set_keytchclk_rate,
+};
 static struct clk clk_spi = {
 	.parent		= &clk_xtali,
 	.rate		= EP93XX_EXT_CLK_RATE,
@@ -214,6 +221,7 @@  static struct clk_lookup clocks[] = {
 	INIT_CK(NULL,			"pll2",		&clk_pll2),
 	INIT_CK("ohci-platform",	NULL,		&clk_usb_host),
 	INIT_CK("ep93xx-keypad",	NULL,		&clk_keypad),
+	INIT_CK("ep93xx-adc",		NULL,		&clk_adc),
 	INIT_CK("ep93xx-fb",		NULL,		&clk_video),
 	INIT_CK("ep93xx-spi.0",		NULL,		&clk_spi),
 	INIT_CK("ep93xx-i2s",		"mclk",		&clk_i2s_mclk),