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authorHaojian Zhuang <haojian.zhuang@marvell.com>2011-10-17 21:26:55 +0800
committerHaojian Zhuang <hzhuang1@hexinfolabs.org>2011-11-15 19:09:36 +0800
commit389eda15e0f41112d7c44213b3c4f8bd1c9398bc (patch)
treed35d07f3d5f1104d6f0ed3dc95a6ded7de72a270 /arch/arm/mach-mmp/mmp2.c
parentbe24168f144122b3730beab257fa058745d14cb4 (diff)
downloadlinux-389eda15e0f41112d7c44213b3c4f8bd1c9398bc.tar.bz2
ARM: pxa: add clk support in gpio driver
Support clk in gpio driver. There's no gpio clock in PXA25x and PXA27x. So use dummy clk instead. And move the gpio edge initialization into gpio driver for arch-mmp. Signed-off-by: Haojian Zhuang <haojian.zhuang@marvell.com>
Diffstat (limited to 'arch/arm/mach-mmp/mmp2.c')
-rw-r--r--arch/arm/mach-mmp/mmp2.c11
1 files changed, 2 insertions, 9 deletions
diff --git a/arch/arm/mach-mmp/mmp2.c b/arch/arm/mach-mmp/mmp2.c
index 1ed222d3e22b..617c60a170a4 100644
--- a/arch/arm/mach-mmp/mmp2.c
+++ b/arch/arm/mach-mmp/mmp2.c
@@ -93,18 +93,9 @@ void mmp2_clear_pmic_int(void)
__raw_writel(data, mfpr_pmic);
}
-static void __init mmp2_init_gpio(void)
-{
- int i;
-
- /* enable GPIO clock */
- __raw_writel(APBC_APBCLK | APBC_FNCLK, APBC_MMP2_GPIO);
-}
-
void __init mmp2_init_irq(void)
{
mmp2_init_icu();
- mmp2_init_gpio();
}
static void sdhc_clk_enable(struct clk *clk)
@@ -141,6 +132,7 @@ static APBC_CLK(twsi3, MMP2_TWSI3, 0, 26000000);
static APBC_CLK(twsi4, MMP2_TWSI4, 0, 26000000);
static APBC_CLK(twsi5, MMP2_TWSI5, 0, 26000000);
static APBC_CLK(twsi6, MMP2_TWSI6, 0, 26000000);
+static APBC_CLK(gpio, MMP2_GPIO, 0, 26000000);
static APMU_CLK(nand, NAND, 0xbf, 100000000);
static APMU_CLK_OPS(sdh0, SDH0, 0x1b, 200000000, &sdhc_clk_ops);
@@ -160,6 +152,7 @@ static struct clk_lookup mmp2_clkregs[] = {
INIT_CLKREG(&clk_twsi5, "pxa2xx-i2c.4", NULL),
INIT_CLKREG(&clk_twsi6, "pxa2xx-i2c.5", NULL),
INIT_CLKREG(&clk_nand, "pxa3xx-nand", NULL),
+ INIT_CLKREG(&clk_gpio, "pxa-gpio", NULL),
INIT_CLKREG(&clk_sdh0, "sdhci-pxav3.0", "PXA-SDHCLK"),
INIT_CLKREG(&clk_sdh1, "sdhci-pxav3.1", "PXA-SDHCLK"),
INIT_CLKREG(&clk_sdh2, "sdhci-pxav3.2", "PXA-SDHCLK"),