RE: [PATCH v3] ARM: EXYNOS4: Add platform device for dwmci driver.

2011-07-20 Thread Kukjin Kim
Seungwon Jeon wrote:
 
 This patch adds platform device for Synopsys DesignWare Multimedia Card
 Interface driver.
 
 Signed-off-by: Seungwon Jeon tgih@samsung.com
 ---
  arch/arm/mach-exynos4/Kconfig  |5 ++
  arch/arm/mach-exynos4/Makefile |1 +
  arch/arm/mach-exynos4/dev-dwmci.c  |   82
 
  arch/arm/mach-exynos4/include/mach/dwmci.h |   20 +++
  arch/arm/mach-exynos4/include/mach/irqs.h  |1 +
  arch/arm/mach-exynos4/include/mach/map.h   |1 +
  arch/arm/plat-samsung/include/plat/devs.h  |1 +
  7 files changed, 111 insertions(+), 0 deletions(-)
  create mode 100644 arch/arm/mach-exynos4/dev-dwmci.c
  create mode 100644 arch/arm/mach-exynos4/include/mach/dwmci.h
 
 diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig
 index a4fb109..31f798c 100644
 --- a/arch/arm/mach-exynos4/Kconfig
 +++ b/arch/arm/mach-exynos4/Kconfig
 @@ -36,6 +36,11 @@ config EXYNOS4_DEV_SYSMMU
   help
 Common setup code for SYSTEM MMU in EXYNOS4
 
 +config EXYNOS4_DEV_DWMCI
 + bool
 + help
 +   Compile in platform device definitions for DWMCI
 +
  config EXYNOS4_SETUP_I2C1
   bool
   help
 diff --git a/arch/arm/mach-exynos4/Makefile
b/arch/arm/mach-exynos4/Makefile
 index c3c70ab..4c4ea6b 100644
 --- a/arch/arm/mach-exynos4/Makefile
 +++ b/arch/arm/mach-exynos4/Makefile
 @@ -38,6 +38,7 @@ obj-y   += dev-
 audio.o
  obj-$(CONFIG_EXYNOS4_DEV_AHCI)   += dev-ahci.o
  obj-$(CONFIG_EXYNOS4_DEV_PD) += dev-pd.o
  obj-$(CONFIG_EXYNOS4_DEV_SYSMMU) += dev-sysmmu.o
 +obj-$(CONFIG_EXYNOS4_DEV_DWMCI)  += dev-dwmci.o
 
  obj-$(CONFIG_EXYNOS4_SETUP_FIMC) += setup-fimc.o
  obj-$(CONFIG_EXYNOS4_SETUP_I2C1) += setup-i2c1.o
 diff --git a/arch/arm/mach-exynos4/dev-dwmci.c
b/arch/arm/mach-exynos4/dev-
 dwmci.c
 new file mode 100644
 index 000..b025db4
 --- /dev/null
 +++ b/arch/arm/mach-exynos4/dev-dwmci.c
 @@ -0,0 +1,82 @@
 +/*
 + * linux/arch/arm/mach-exynos4/dev-dwmci.c
 + *
 + * Copyright (c) 2011 Samsung Electronics Co., Ltd.
 + *   http://www.samsung.com
 + *
 + * Platform device for Synopsys DesignWare Mobile Storage IP
 + *
 + * This program is free software; you can redistribute it and/or modify
 + * it under the terms of the GNU General Public License as published by
 + * the Free Software Foundation; either version 2 of the License, or
 + * (at your option) any later version.
 + */
 +
 +#include linux/kernel.h
 +#include linux/dma-mapping.h
 +#include linux/platform_device.h
 +#include linux/interrupt.h
 +#include linux/mmc/dw_mmc.h
 +
 +#include plat/devs.h
 +
 +#include mach/map.h
 +
 +static int exynos4_dwmci_get_bus_wd(u32 slot_id)
 +{
 + return 4;
 +}
 +
 +static int exynos4_dwmci_init(u32 slot_id, irq_handler_t handler, void
*data)
 +{
 + return 0;
 +}
 +
 +static struct resource exynos4_dwmci_resource[] = {
 + [0] = {
 + .start  = EXYNOS4_PA_DWMCI,
 + .end= EXYNOS4_PA_DWMCI + SZ_4K - 1,
 + .flags  = IORESOURCE_MEM,
 + },
 + [1] = {
 + .start  = IRQ_DWMCI,
 + .end= IRQ_DWMCI,
 + .flags  = IORESOURCE_IRQ,
 + }
 +};
 +
 +static struct dw_mci_board exynos4_dwci_pdata = {
 + .num_slots  = 1,
 + .quirks =
 DW_MCI_QUIRK_BROKEN_CARD_DETECTION,
 + .bus_hz = 80 * 1000 * 1000,
 + .detect_delay_ms= 200,
 + .init   = exynos4_dwmci_init,
 + .get_bus_wd = exynos4_dwmci_get_bus_wd,
 +};
 +
 +static u64 exynos4_dwmci_dmamask = DMA_BIT_MASK(32);
 +
 +struct platform_device exynos4_device_dwmci = {
 + .name   = dw_mmc,
 + .id = -1,
 + .num_resources  = ARRAY_SIZE(exynos4_dwmci_resource),
 + .resource   = exynos4_dwmci_resource,
 + .dev= {
 + .dma_mask   = exynos4_dwmci_dmamask,
 + .coherent_dma_mask  = DMA_BIT_MASK(32),
 + .platform_data  = exynos4_dwci_pdata,
 + },
 +};
 +
 +void __init exynos4_dwmci_set_platdata(struct dw_mci_board *pd)
 +{
 + struct dw_mci_board *npd;
 +
 + npd = s3c_set_platdata(pd, sizeof(struct dw_mci_board),
 + exynos4_device_dwmci);
 +
 + if (!npd-init)
 + npd-init = exynos4_dwmci_init;
 + if (!npd-get_bus_wd)
 + npd-get_bus_wd = exynos4_dwmci_get_bus_wd;
 +}
 diff --git a/arch/arm/mach-exynos4/include/mach/dwmci.h b/arch/arm/mach-
 exynos4/include/mach/dwmci.h
 new file mode 100644
 index 000..7ce6574
 --- /dev/null
 +++ b/arch/arm/mach-exynos4/include/mach/dwmci.h
 @@ -0,0 +1,20 @@
 +/* linux/arch/arm/mach-exynos4/include/mach/dwmci.h
 + *
 + * Copyright (c) 2011 Samsung Electronics Co., Ltd.
 + *   http://www.samsung.com/
 + *
 + * Synopsys DesignWare Mobile Storage for EXYNOS4210
 + 

[PATCH v3] ARM: EXYNOS4: Add platform device for dwmci driver.

2011-07-19 Thread Seungwon Jeon
This patch adds platform device for Synopsys DesignWare Multimedia Card
Interface driver.

Signed-off-by: Seungwon Jeon tgih@samsung.com
---
 arch/arm/mach-exynos4/Kconfig  |5 ++
 arch/arm/mach-exynos4/Makefile |1 +
 arch/arm/mach-exynos4/dev-dwmci.c  |   82 
 arch/arm/mach-exynos4/include/mach/dwmci.h |   20 +++
 arch/arm/mach-exynos4/include/mach/irqs.h  |1 +
 arch/arm/mach-exynos4/include/mach/map.h   |1 +
 arch/arm/plat-samsung/include/plat/devs.h  |1 +
 7 files changed, 111 insertions(+), 0 deletions(-)
 create mode 100644 arch/arm/mach-exynos4/dev-dwmci.c
 create mode 100644 arch/arm/mach-exynos4/include/mach/dwmci.h

diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig
index a4fb109..31f798c 100644
--- a/arch/arm/mach-exynos4/Kconfig
+++ b/arch/arm/mach-exynos4/Kconfig
@@ -36,6 +36,11 @@ config EXYNOS4_DEV_SYSMMU
help
  Common setup code for SYSTEM MMU in EXYNOS4

+config EXYNOS4_DEV_DWMCI
+   bool
+   help
+ Compile in platform device definitions for DWMCI
+
 config EXYNOS4_SETUP_I2C1
bool
help
diff --git a/arch/arm/mach-exynos4/Makefile b/arch/arm/mach-exynos4/Makefile
index c3c70ab..4c4ea6b 100644
--- a/arch/arm/mach-exynos4/Makefile
+++ b/arch/arm/mach-exynos4/Makefile
@@ -38,6 +38,7 @@ obj-y += dev-audio.o
 obj-$(CONFIG_EXYNOS4_DEV_AHCI) += dev-ahci.o
 obj-$(CONFIG_EXYNOS4_DEV_PD)   += dev-pd.o
 obj-$(CONFIG_EXYNOS4_DEV_SYSMMU)   += dev-sysmmu.o
+obj-$(CONFIG_EXYNOS4_DEV_DWMCI)+= dev-dwmci.o

 obj-$(CONFIG_EXYNOS4_SETUP_FIMC)   += setup-fimc.o
 obj-$(CONFIG_EXYNOS4_SETUP_I2C1)   += setup-i2c1.o
diff --git a/arch/arm/mach-exynos4/dev-dwmci.c 
b/arch/arm/mach-exynos4/dev-dwmci.c
new file mode 100644
index 000..b025db4
--- /dev/null
+++ b/arch/arm/mach-exynos4/dev-dwmci.c
@@ -0,0 +1,82 @@
+/*
+ * linux/arch/arm/mach-exynos4/dev-dwmci.c
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com
+ *
+ * Platform device for Synopsys DesignWare Mobile Storage IP
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include linux/kernel.h
+#include linux/dma-mapping.h
+#include linux/platform_device.h
+#include linux/interrupt.h
+#include linux/mmc/dw_mmc.h
+
+#include plat/devs.h
+
+#include mach/map.h
+
+static int exynos4_dwmci_get_bus_wd(u32 slot_id)
+{
+   return 4;
+}
+
+static int exynos4_dwmci_init(u32 slot_id, irq_handler_t handler, void *data)
+{
+   return 0;
+}
+
+static struct resource exynos4_dwmci_resource[] = {
+   [0] = {
+   .start  = EXYNOS4_PA_DWMCI,
+   .end= EXYNOS4_PA_DWMCI + SZ_4K - 1,
+   .flags  = IORESOURCE_MEM,
+   },
+   [1] = {
+   .start  = IRQ_DWMCI,
+   .end= IRQ_DWMCI,
+   .flags  = IORESOURCE_IRQ,
+   }
+};
+
+static struct dw_mci_board exynos4_dwci_pdata = {
+   .num_slots  = 1,
+   .quirks = DW_MCI_QUIRK_BROKEN_CARD_DETECTION,
+   .bus_hz = 80 * 1000 * 1000,
+   .detect_delay_ms= 200,
+   .init   = exynos4_dwmci_init,
+   .get_bus_wd = exynos4_dwmci_get_bus_wd,
+};
+
+static u64 exynos4_dwmci_dmamask = DMA_BIT_MASK(32);
+
+struct platform_device exynos4_device_dwmci = {
+   .name   = dw_mmc,
+   .id = -1,
+   .num_resources  = ARRAY_SIZE(exynos4_dwmci_resource),
+   .resource   = exynos4_dwmci_resource,
+   .dev= {
+   .dma_mask   = exynos4_dwmci_dmamask,
+   .coherent_dma_mask  = DMA_BIT_MASK(32),
+   .platform_data  = exynos4_dwci_pdata,
+   },
+};
+
+void __init exynos4_dwmci_set_platdata(struct dw_mci_board *pd)
+{
+   struct dw_mci_board *npd;
+
+   npd = s3c_set_platdata(pd, sizeof(struct dw_mci_board),
+   exynos4_device_dwmci);
+
+   if (!npd-init)
+   npd-init = exynos4_dwmci_init;
+   if (!npd-get_bus_wd)
+   npd-get_bus_wd = exynos4_dwmci_get_bus_wd;
+}
diff --git a/arch/arm/mach-exynos4/include/mach/dwmci.h 
b/arch/arm/mach-exynos4/include/mach/dwmci.h
new file mode 100644
index 000..7ce6574
--- /dev/null
+++ b/arch/arm/mach-exynos4/include/mach/dwmci.h
@@ -0,0 +1,20 @@
+/* linux/arch/arm/mach-exynos4/include/mach/dwmci.h
+ *
+ * Copyright (c) 2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * Synopsys DesignWare Mobile Storage for EXYNOS4210
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under