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 <tgih.jun@samsung.com> Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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@ -36,6 +36,11 @@ config EXYNOS4_DEV_SYSMMU
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help
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Common setup code for SYSTEM MMU in EXYNOS4
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config EXYNOS4_DEV_DWMCI
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bool
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help
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Compile in platform device definitions for DWMCI
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config EXYNOS4_SETUP_I2C1
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bool
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help
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@ -38,6 +38,7 @@ obj-y += dev-audio.o
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obj-$(CONFIG_EXYNOS4_DEV_AHCI) += dev-ahci.o
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obj-$(CONFIG_EXYNOS4_DEV_PD) += dev-pd.o
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obj-$(CONFIG_EXYNOS4_DEV_SYSMMU) += dev-sysmmu.o
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obj-$(CONFIG_EXYNOS4_DEV_DWMCI) += dev-dwmci.o
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obj-$(CONFIG_EXYNOS4_SETUP_FIMC) += setup-fimc.o
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obj-$(CONFIG_EXYNOS4_SETUP_I2C1) += setup-i2c1.o
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@ -0,0 +1,82 @@
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/*
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* linux/arch/arm/mach-exynos4/dev-dwmci.c
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*
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* Copyright (c) 2011 Samsung Electronics Co., Ltd.
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* http://www.samsung.com
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*
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* Platform device for Synopsys DesignWare Mobile Storage IP
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <linux/kernel.h>
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#include <linux/dma-mapping.h>
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#include <linux/platform_device.h>
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#include <linux/interrupt.h>
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#include <linux/mmc/dw_mmc.h>
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#include <plat/devs.h>
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#include <mach/map.h>
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static int exynos4_dwmci_get_bus_wd(u32 slot_id)
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{
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return 4;
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}
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static int exynos4_dwmci_init(u32 slot_id, irq_handler_t handler, void *data)
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{
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return 0;
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}
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static struct resource exynos4_dwmci_resource[] = {
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[0] = {
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.start = EXYNOS4_PA_DWMCI,
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.end = EXYNOS4_PA_DWMCI + SZ_4K - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = IRQ_DWMCI,
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.end = IRQ_DWMCI,
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.flags = IORESOURCE_IRQ,
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}
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};
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static struct dw_mci_board exynos4_dwci_pdata = {
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.num_slots = 1,
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.quirks = DW_MCI_QUIRK_BROKEN_CARD_DETECTION,
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.bus_hz = 80 * 1000 * 1000,
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.detect_delay_ms = 200,
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.init = exynos4_dwmci_init,
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.get_bus_wd = exynos4_dwmci_get_bus_wd,
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};
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static u64 exynos4_dwmci_dmamask = DMA_BIT_MASK(32);
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struct platform_device exynos4_device_dwmci = {
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.name = "dw_mmc",
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.id = -1,
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.num_resources = ARRAY_SIZE(exynos4_dwmci_resource),
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.resource = exynos4_dwmci_resource,
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.dev = {
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.dma_mask = &exynos4_dwmci_dmamask,
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.coherent_dma_mask = DMA_BIT_MASK(32),
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.platform_data = &exynos4_dwci_pdata,
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},
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};
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void __init exynos4_dwmci_set_platdata(struct dw_mci_board *pd)
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{
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struct dw_mci_board *npd;
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npd = s3c_set_platdata(pd, sizeof(struct dw_mci_board),
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&exynos4_device_dwmci);
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if (!npd->init)
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npd->init = exynos4_dwmci_init;
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if (!npd->get_bus_wd)
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npd->get_bus_wd = exynos4_dwmci_get_bus_wd;
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}
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@ -0,0 +1,20 @@
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/* linux/arch/arm/mach-exynos4/include/mach/dwmci.h
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*
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* Copyright (c) 2011 Samsung Electronics Co., Ltd.
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* http://www.samsung.com/
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*
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* Synopsys DesignWare Mobile Storage for EXYNOS4210
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#ifndef __ASM_ARM_ARCH_DWMCI_H
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#define __ASM_ARM_ARCH_DWMCI_H __FILE__
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#include <linux/mmc/dw_mmc.h>
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extern void exynos4_dwmci_set_platdata(struct dw_mci_board *pd);
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#endif /* __ASM_ARM_ARCH_DWMCI_H */
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@ -78,6 +78,7 @@
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#define IRQ_HSMMC1 IRQ_SPI(74)
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#define IRQ_HSMMC2 IRQ_SPI(75)
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#define IRQ_HSMMC3 IRQ_SPI(76)
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#define IRQ_DWMCI IRQ_SPI(77)
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#define IRQ_MIPICSI0 IRQ_SPI(78)
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@ -96,6 +96,7 @@
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#define EXYNOS4_PA_MIPI_CSIS1 0x11890000
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#define EXYNOS4_PA_HSMMC(x) (0x12510000 + ((x) * 0x10000))
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#define EXYNOS4_PA_DWMCI 0x12550000
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#define EXYNOS4_PA_SATA 0x12560000
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#define EXYNOS4_PA_SATAPHY 0x125D0000
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@ -112,6 +112,7 @@ extern struct platform_device exynos4_device_i2s2;
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extern struct platform_device exynos4_device_spdif;
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extern struct platform_device exynos4_device_pd[];
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extern struct platform_device exynos4_device_ahci;
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extern struct platform_device exynos4_device_dwmci;
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extern struct platform_device s5p6440_device_pcm;
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extern struct platform_device s5p6440_device_iis;
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