[ARM] pxa: add pxa27x_keypad device and pxa_set_keypad_info()

also update the clk definitions in pxa27x and pxa3xx.
Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-pxa/devices.c

@@ -11,6 +11,7 @@
 #include <asm/arch/irda.h>
 #include <asm/arch/i2c.h>
 #include <asm/arch/ohci.h>
+#include <asm/arch/pxa27x_keypad.h>
 
 #include "devices.h"
 
@@ -396,6 +397,31 @@ struct platform_device pxa25x_device_assp = {
 
 #if defined(CONFIG_PXA27x) || defined(CONFIG_PXA3xx)
 
+static struct resource pxa27x_resource_keypad[] = {
+	[0] = {
+		.start	= 0x41500000,
+		.end	= 0x4150004c,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_KEYPAD,
+		.end	= IRQ_KEYPAD,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+struct platform_device pxa27x_device_keypad = {
+	.name		= "pxa27x-keypad",
+	.id		= -1,
+	.resource	= pxa27x_resource_keypad,
+	.num_resources	= ARRAY_SIZE(pxa27x_resource_keypad),
+};
+
+void __init pxa_set_keypad_info(struct pxa27x_keypad_platform_data *info)
+{
+	pxa_register_device(&pxa27x_device_keypad, info);
+}
+
 static u64 pxa27x_ohci_dma_mask = DMA_BIT_MASK(32);
 
 static struct resource pxa27x_resource_ohci[] = {

arch/arm/mach-pxa/devices.h

@@ -14,6 +14,7 @@ extern struct platform_device pxa_device_rtc;
 
 extern struct platform_device pxa27x_device_i2c_power;
 extern struct platform_device pxa27x_device_ohci;
+extern struct platform_device pxa27x_device_keypad;
 
 extern struct platform_device pxa25x_device_ssp;
 extern struct platform_device pxa25x_device_nssp;

arch/arm/mach-pxa/pxa27x.c

@@ -152,7 +152,7 @@ static struct clk pxa27x_clks[] = {
 
 	INIT_CKEN("USBCLK", USBHOST, 48000000, 0, &pxa27x_device_ohci.dev),
 	INIT_CKEN("I2CCLK", PWRI2C, 13000000, 0, &pxa27x_device_i2c_power.dev),
-	INIT_CKEN("KBDCLK", KEYPAD, 32768, 0, NULL),
+	INIT_CKEN("KBDCLK", KEYPAD, 32768, 0, &pxa27x_device_keypad.dev),
 
 	INIT_CKEN("SSPCLK", SSP1, 13000000, 0, &pxa27x_device_ssp1.dev),
 	INIT_CKEN("SSPCLK", SSP2, 13000000, 0, &pxa27x_device_ssp2.dev),

arch/arm/mach-pxa/pxa3xx.c

@@ -233,6 +233,7 @@ static struct clk pxa3xx_clks[] = {
 	PXA3xx_CKEN("I2CCLK", I2C,  32842000, 0, &pxa_device_i2c.dev),
 	PXA3xx_CKEN("UDCCLK", UDC,  48000000, 5, &pxa_device_udc.dev),
 	PXA3xx_CKEN("USBCLK", USBH, 48000000, 0, &pxa27x_device_ohci.dev),
+	PXA3xx_CKEN("KBDCLK", KEYPAD,  32768, 0, &pxa27x_device_keypad.dev),
 
 	PXA3xx_CKEN("SSPCLK", SSP1, 13000000, 0, &pxa27x_device_ssp1.dev),
 	PXA3xx_CKEN("SSPCLK", SSP2, 13000000, 0, &pxa27x_device_ssp2.dev),

include/asm-arm/arch-pxa/pxa27x_keypad.h

@@ -53,4 +53,6 @@ struct pxa27x_keypad_platform_data {
 
 #define KEY(row, col, val)	(((row) << 28) | ((col) << 24) | (val))
 
+extern void pxa_set_keypad_info(struct pxa27x_keypad_platform_data *info);
+
 #endif /* __ASM_ARCH_PXA27x_KEYPAD_H */