[ARM] pxa: mmc: add 2nd host controller support for pxa3xx

This patch is to add the second mmc controller support for pxa3xx.
It's valid for pxa3[0|1|2]0.

On zylonite, the second controller has no slot.

Signed-off-by: Bridge Wu <bridge.wu@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-pxa/devices.c

@@ -549,4 +549,44 @@ struct platform_device pxa3xx_device_ssp4 = {
 	.resource	= pxa3xx_resource_ssp4,
 	.num_resources	= ARRAY_SIZE(pxa3xx_resource_ssp4),
 };
+
+static struct resource pxa3xx_resources_mci2[] = {
+	[0] = {
+		.start	= 0x42000000,
+		.end	= 0x42000fff,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= IRQ_MMC2,
+		.end	= IRQ_MMC2,
+		.flags	= IORESOURCE_IRQ,
+	},
+	[2] = {
+		.start	= 93,
+		.end	= 93,
+		.flags	= IORESOURCE_DMA,
+	},
+	[3] = {
+		.start	= 94,
+		.end	= 94,
+		.flags	= IORESOURCE_DMA,
+	},
+};
+
+struct platform_device pxa3xx_device_mci2 = {
+	.name		= "pxa2xx-mci",
+	.id		= 1,
+	.dev		= {
+		.dma_mask = &pxamci_dmamask,
+		.coherent_dma_mask =	0xffffffff,
+	},
+	.num_resources	= ARRAY_SIZE(pxa3xx_resources_mci2),
+	.resource	= pxa3xx_resources_mci2,
+};
+
+void __init pxa3xx_set_mci2_info(struct pxamci_platform_data *info)
+{
+	pxa_register_device(&pxa3xx_device_mci2, info);
+}
+
 #endif /* CONFIG_PXA3xx */

arch/arm/mach-pxa/devices.h

@@ -1,4 +1,5 @@
 extern struct platform_device pxa_device_mci;
+extern struct platform_device pxa3xx_device_mci2;
 extern struct platform_device pxa_device_udc;
 extern struct platform_device pxa_device_fb;
 extern struct platform_device pxa_device_ffuart;

arch/arm/mach-pxa/pxa3xx.c

@@ -196,6 +196,7 @@ static struct clk pxa3xx_clks[] = {
 	PXA3xx_CKEN("SSPCLK", SSP4, 13000000, 0, &pxa3xx_device_ssp4.dev),
 
 	PXA3xx_CKEN("MMCCLK", MMC1, 19500000, 0, &pxa_device_mci.dev),
+	PXA3xx_CKEN("MMCCLK", MMC2, 19500000, 0, &pxa3xx_device_mci2.dev),
 };
 
 void __init pxa3xx_init_irq(void)

arch/arm/mach-pxa/zylonite.c

@@ -233,9 +233,15 @@ static struct pxamci_platform_data zylonite_mci_platform_data = {
 	.get_ro		= zylonite_mci_ro,
 };
 
+static struct pxamci_platform_data zylonite_mci2_platform_data = {
+	.detect_delay	= 20,
+	.ocr_mask	= MMC_VDD_32_33|MMC_VDD_33_34,
+};
+
 static void __init zylonite_init_mmc(void)
 {
 	pxa_set_mci_info(&zylonite_mci_platform_data);
+	pxa3xx_set_mci2_info(&zylonite_mci2_platform_data);
 }
 #else
 static inline void zylonite_init_mmc(void) {}

arch/arm/mach-pxa/zylonite_pxa300.c

@@ -97,6 +97,14 @@ static mfp_cfg_t common_mfp_cfg[] __initdata = {
 	GPIO7_MMC1_CLK,
 	GPIO8_MMC1_CMD,	/* CMD0 for slot 0 */
 	GPIO15_GPIO,	/* CMD1 default as GPIO for slot 0 */
+
+	/* MMC2 */
+	GPIO9_MMC2_DAT0,
+	GPIO10_MMC2_DAT1,
+	GPIO11_MMC2_DAT2,
+	GPIO12_MMC2_DAT3,
+	GPIO13_MMC2_CLK,
+	GPIO14_MMC2_CMD,
 };
 
 static mfp_cfg_t pxa300_mfp_cfg[] __initdata = {

arch/arm/mach-pxa/zylonite_pxa320.c

@@ -104,6 +104,14 @@ static mfp_cfg_t mfp_cfg[] __initdata = {
 	GPIO22_MMC1_CLK,
 	GPIO23_MMC1_CMD,/* CMD0 for slot 0 */
 	GPIO31_GPIO,	/* CMD1 default as GPIO for slot 0 */
+
+	/* MMC2 */
+	GPIO24_MMC2_DAT0,
+	GPIO25_MMC2_DAT1,
+	GPIO26_MMC2_DAT2,
+	GPIO27_MMC2_DAT3,
+	GPIO28_MMC2_CLK,
+	GPIO29_MMC2_CMD,
 };
 
 #define NUM_LCD_DETECT_PINS	7

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

@@ -17,5 +17,6 @@ struct pxamci_platform_data {
 };
 
 extern void pxa_set_mci_info(struct pxamci_platform_data *info);
+extern void pxa3xx_set_mci2_info(struct pxamci_platform_data *info);
 
 #endif