[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>

6 files changed, 64 insertions, 0 deletions

diff --git a/arch/arm/mach-pxa/devices.c b/arch/arm/mach-pxa/devices.c
index 202d048f1cdd..bc04e87ed3b4 100644
--- a/arch/arm/mach-pxa/devices.c
+++ b/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 */
diff --git a/arch/arm/mach-pxa/devices.h b/arch/arm/mach-pxa/devices.h
index e78b48f62b36..d78068cc8015 100644
--- a/arch/arm/mach-pxa/devices.h
+++ b/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;
diff --git a/arch/arm/mach-pxa/pxa3xx.c b/arch/arm/mach-pxa/pxa3xx.c
index 6271af303cb9..124ad5eb7ab0 100644
--- a/arch/arm/mach-pxa/pxa3xx.c
+++ b/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)
diff --git a/arch/arm/mach-pxa/zylonite.c b/arch/arm/mach-pxa/zylonite.c
index f72f37f6ff0c..33986036f146 100644
--- a/arch/arm/mach-pxa/zylonite.c
+++ b/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) {}
diff --git a/arch/arm/mach-pxa/zylonite_pxa300.c b/arch/arm/mach-pxa/zylonite_pxa300.c
index cad92d480f2a..38c1ddc6cb1d 100644
--- a/arch/arm/mach-pxa/zylonite_pxa300.c
+++ b/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 = {
diff --git a/arch/arm/mach-pxa/zylonite_pxa320.c b/arch/arm/mach-pxa/zylonite_pxa320.c
index 593f7bffb3b4..1036da3315d8 100644
--- a/arch/arm/mach-pxa/zylonite_pxa320.c
+++ b/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