From: Seungwon Jeon Date: Wed, 20 Jul 2011 15:34:58 +0000 (+0900) Subject: ARM: EXYNOS4: Add platform device for dwmci driver X-Git-Tag: firefly_0821_release~3680^2~4841^2^2~14 X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=d79195897e610bd0d3563ec401cfd29d836ce0e6;p=firefly-linux-kernel-4.4.55.git ARM: EXYNOS4: Add platform device for dwmci driver This patch adds platform device for Synopsys DesignWare Multimedia Card Interface driver. Signed-off-by: Seungwon Jeon Signed-off-by: Kukjin Kim --- diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig index 0cdb1fd5385a..b735705c8b47 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 c8e880e7144a..2a0b68220b2f 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 000000000000..b025db4bf602 --- /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 +#include +#include +#include +#include + +#include + +#include + +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 000000000000..7ce657459cc0 --- /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 the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef __ASM_ARM_ARCH_DWMCI_H +#define __ASM_ARM_ARCH_DWMCI_H __FILE__ + +#include + +extern void exynos4_dwmci_set_platdata(struct dw_mci_board *pd); + +#endif /* __ASM_ARM_ARCH_DWMCI_H */ diff --git a/arch/arm/mach-exynos4/include/mach/irqs.h b/arch/arm/mach-exynos4/include/mach/irqs.h index 51b5db5ea93b..e2995be40c3f 100644 --- a/arch/arm/mach-exynos4/include/mach/irqs.h +++ b/arch/arm/mach-exynos4/include/mach/irqs.h @@ -78,6 +78,7 @@ #define IRQ_HSMMC1 IRQ_SPI(74) #define IRQ_HSMMC2 IRQ_SPI(75) #define IRQ_HSMMC3 IRQ_SPI(76) +#define IRQ_DWMCI IRQ_SPI(77) #define IRQ_MIPICSI0 IRQ_SPI(78) diff --git a/arch/arm/mach-exynos4/include/mach/map.h b/arch/arm/mach-exynos4/include/mach/map.h index 0e0016fad20f..0aa77fb707d2 100644 --- a/arch/arm/mach-exynos4/include/mach/map.h +++ b/arch/arm/mach-exynos4/include/mach/map.h @@ -96,6 +96,7 @@ #define EXYNOS4_PA_MIPI_CSIS1 0x11890000 #define EXYNOS4_PA_HSMMC(x) (0x12510000 + ((x) * 0x10000)) +#define EXYNOS4_PA_DWMCI 0x12550000 #define EXYNOS4_PA_SATA 0x12560000 #define EXYNOS4_PA_SATAPHY 0x125D0000 diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h index e3b31c26ac3e..29fa1cf9c6f8 100644 --- a/arch/arm/plat-samsung/include/plat/devs.h +++ b/arch/arm/plat-samsung/include/plat/devs.h @@ -112,6 +112,7 @@ extern struct platform_device exynos4_device_i2s2; extern struct platform_device exynos4_device_spdif; extern struct platform_device exynos4_device_pd[]; extern struct platform_device exynos4_device_ahci; +extern struct platform_device exynos4_device_dwmci; extern struct platform_device s5p6440_device_pcm; extern struct platform_device s5p6440_device_iis;