From ed847782f6459a5c94aa0c9f93679f6a4176a47a Mon Sep 17 00:00:00 2001
From: Ian Molton <spyro@f2s.com>
Date: Tue, 8 Jul 2008 10:32:08 +0100
Subject: [PATCH] Clocklib: Provide for GPIO 12 clock on PXA
Signed-off-by: Ian Molton <spyro@f2s.com>
---
arch/arm/mach-pxa/clock.h | 9 +++++++++
arch/arm/mach-pxa/pxa25x.c | 24 ++++++++++++++++++++++++
2 files changed, 33 insertions(+)
diff --git a/arch/arm/mach-pxa/clock.h b/arch/arm/mach-pxa/clock.h
index 83cbfaba485de..32d0c074b3510 100644
--- a/arch/arm/mach-pxa/clock.h
+++ b/arch/arm/mach-pxa/clock.h
@@ -47,6 +47,15 @@ struct clk {
.other = _other, \
}
+#define INIT_CLK(_name, _ops, _rate, _delay, _dev) \
+ { \
+ .name = _name, \
+ .dev = _dev, \
+ .ops = _ops, \
+ .rate = _rate, \
+ .delay = _delay, \
+ }
+
extern const struct clkops clk_cken_ops;
void clk_cken_enable(struct clk *clk);
diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c
index 90b441f5df5ab..034d3a6c31d89 100644
--- a/arch/arm/mach-pxa/pxa25x.c
+++ b/arch/arm/mach-pxa/pxa25x.c
@@ -109,6 +109,29 @@ static const struct clkops clk_pxa25x_lcd_ops = {
.getrate = clk_pxa25x_lcd_getrate,
};
+static unsigned long gpio12_config_32k[] = {
+ GPIO12_32KHz,
+};
+
+static unsigned long gpio12_config_gpio[] = {
+ GPIO12_GPIO,
+};
+
+static void clk_gpio12_enable(struct clk *clk)
+{
+ pxa2xx_mfp_config(gpio12_config_32k, 1);
+}
+
+static void clk_gpio12_disable(struct clk *clk)
+{
+ pxa2xx_mfp_config(gpio12_config_gpio, 1);
+}
+
+static const struct clkops clk_pxa25x_gpio12_ops = {
+ .enable = clk_gpio12_enable,
+ .disable = clk_gpio12_disable,
+};
+
/*
* 3.6864MHz -> OST, GPIO, SSP, PWM, PLLs (95.842MHz, 147.456MHz)
* 95.842MHz -> MMC 19.169MHz, I2C 31.949MHz, FICP 47.923MHz, USB 47.923MHz
@@ -128,6 +151,7 @@ static struct clk pxa25x_clks[] = {
INIT_CKEN("UARTCLK", BTUART, 14745600, 1, &pxa_device_btuart.dev),
INIT_CKEN("UARTCLK", STUART, 14745600, 1, NULL),
INIT_CKEN("UDCCLK", USB, 47923000, 5, &pxa25x_device_udc.dev),
+ INIT_CLK("GPIO12_CLK", &clk_pxa25x_gpio12_ops, 32768, 0, NULL),
INIT_CKEN("MMCCLK", MMC, 19169000, 0, &pxa_device_mci.dev),
INIT_CKEN("I2CCLK", I2C, 31949000, 0, &pxa_device_i2c.dev),
--
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