From: Hyuk Lee <hyuk1.lee@xxxxxxxxxxx> This patch adds hsmmc3 device definition in plat-samsung. Because now S5PV210 can support 4 hsmmc such as hsmmc0, hsmmc1, hsmmc2 and hsmmc3 and that can be used in further Samsung SoCs. Signed-off-by: Hyuk Lee <hyuk1.lee@xxxxxxxxxxx> Signed-off-by: Kukjin Kim <kgene.kim@xxxxxxxxxxx> --- Changes since previous patch: - coding style fixes arch/arm/plat-samsung/Kconfig | 5 ++ arch/arm/plat-samsung/Makefile | 1 + arch/arm/plat-samsung/dev-hsmmc3.c | 72 ++++++++++++++++++++++++++++ arch/arm/plat-samsung/include/plat/devs.h | 1 + arch/arm/plat-samsung/include/plat/sdhci.h | 15 ++++++ 5 files changed, 94 insertions(+), 0 deletions(-) create mode 100644 arch/arm/plat-samsung/dev-hsmmc3.c diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig index 2753fb3..8efb012 100644 --- a/arch/arm/plat-samsung/Kconfig +++ b/arch/arm/plat-samsung/Kconfig @@ -160,6 +160,11 @@ config S3C_DEV_HSMMC2 help Compile in platform device definitions for HSMMC channel 2 +config S3C_DEV_HSMMC3 + bool + help + Compile in platform device definitions for HSMMC channel 3 + config S3C_DEV_HWMON bool help diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile index b1d82cc..c9abae5 100644 --- a/arch/arm/plat-samsung/Makefile +++ b/arch/arm/plat-samsung/Makefile @@ -33,6 +33,7 @@ obj-$(CONFIG_S3C_ADC) += adc.o obj-$(CONFIG_S3C_DEV_HSMMC) += dev-hsmmc.o obj-$(CONFIG_S3C_DEV_HSMMC1) += dev-hsmmc1.o obj-$(CONFIG_S3C_DEV_HSMMC2) += dev-hsmmc2.o +obj-$(CONFIG_S3C_DEV_HSMMC3) += dev-hsmmc3.o obj-$(CONFIG_S3C_DEV_HWMON) += dev-hwmon.o obj-y += dev-i2c0.o obj-$(CONFIG_S3C_DEV_I2C1) += dev-i2c1.o diff --git a/arch/arm/plat-samsung/dev-hsmmc3.c b/arch/arm/plat-samsung/dev-hsmmc3.c new file mode 100644 index 0000000..57bd394 --- /dev/null +++ b/arch/arm/plat-samsung/dev-hsmmc3.c @@ -0,0 +1,72 @@ +/* linux/arch/arm/plat-samsung/dev-hsmmc3.c + * + * Copyright (c) 2010 Samsung Electronics Co., Ltd. + * http://www.samsung.com + * + * Copyright (c) 2008 Simtec Electronics + * Ben Dooks <ben@xxxxxxxxxxxx> + * http://armlinux.simtec.co.uk/ + * + * Based on arch/arm/plat-samsung/dev-hsmmc1.c + * + * Samsung device definition for hsmmc device 3 + * + * 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. +*/ + +#include <linux/kernel.h> +#include <linux/platform_device.h> +#include <linux/mmc/host.h> + +#include <mach/map.h> +#include <plat/sdhci.h> +#include <plat/devs.h> + +#define S3C_SZ_HSMMC (0x1000) + +static struct resource s3c_hsmmc3_resource[] = { + [0] = { + .start = S3C_PA_HSMMC3, + .end = S3C_PA_HSMMC3 + S3C_SZ_HSMMC - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_MMC3, + .end = IRQ_MMC3, + .flags = IORESOURCE_IRQ, + } +}; + +static u64 s3c_device_hsmmc3_dmamask = 0xffffffffUL; + +struct s3c_sdhci_platdata s3c_hsmmc3_def_platdata = { + .max_width = 4, + .host_caps = (MMC_CAP_4_BIT_DATA | + MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED), +}; + +struct platform_device s3c_device_hsmmc3 = { + .name = "s3c-sdhci", + .id = 3, + .num_resources = ARRAY_SIZE(s3c_hsmmc3_resource), + .resource = s3c_hsmmc3_resource, + .dev = { + .dma_mask = &s3c_device_hsmmc3_dmamask, + .coherent_dma_mask = 0xffffffffUL, + .platform_data = &s3c_hsmmc3_def_platdata, + }, +}; + +void s3c_sdhci3_set_platdata(struct s3c_sdhci_platdata *pd) +{ + struct s3c_sdhci_platdata *set = &s3c_hsmmc3_def_platdata; + + set->max_width = pd->max_width; + + if (pd->cfg_gpio) + set->cfg_gpio = pd->cfg_gpio; + if (pd->cfg_card) + set->cfg_card = pd->cfg_card; +} diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h index e6144e4..7842acd 100644 --- a/arch/arm/plat-samsung/include/plat/devs.h +++ b/arch/arm/plat-samsung/include/plat/devs.h @@ -54,6 +54,7 @@ extern struct platform_device s3c_device_hwmon; extern struct platform_device s3c_device_hsmmc0; extern struct platform_device s3c_device_hsmmc1; extern struct platform_device s3c_device_hsmmc2; +extern struct platform_device s3c_device_hsmmc3; extern struct platform_device s3c_device_spi0; extern struct platform_device s3c_device_spi1; diff --git a/arch/arm/plat-samsung/include/plat/sdhci.h b/arch/arm/plat-samsung/include/plat/sdhci.h index 98ebd50..1314ffa 100644 --- a/arch/arm/plat-samsung/include/plat/sdhci.h +++ b/arch/arm/plat-samsung/include/plat/sdhci.h @@ -58,6 +58,7 @@ struct s3c_sdhci_platdata { extern void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd); extern void s3c_sdhci1_set_platdata(struct s3c_sdhci_platdata *pd); extern void s3c_sdhci2_set_platdata(struct s3c_sdhci_platdata *pd); +extern void s3c_sdhci3_set_platdata(struct s3c_sdhci_platdata *pd); /* Default platform data, exported so that per-cpu initialisation can * set the correct one when there are more than one cpu type selected. @@ -66,6 +67,7 @@ extern void s3c_sdhci2_set_platdata(struct s3c_sdhci_platdata *pd); extern struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata; extern struct s3c_sdhci_platdata s3c_hsmmc1_def_platdata; extern struct s3c_sdhci_platdata s3c_hsmmc2_def_platdata; +extern struct s3c_sdhci_platdata s3c_hsmmc3_def_platdata; /* Helper function availablity */ @@ -78,6 +80,7 @@ extern void s3c64xx_setup_sdhci2_cfg_gpio(struct platform_device *, int w); extern void s5pv210_setup_sdhci0_cfg_gpio(struct platform_device *, int w); extern void s5pv210_setup_sdhci1_cfg_gpio(struct platform_device *, int w); extern void s5pv210_setup_sdhci2_cfg_gpio(struct platform_device *, int w); +extern void s5pv210_setup_sdhci3_cfg_gpio(struct platform_device *, int w); /* S3C6400 SDHCI setup */ @@ -264,10 +267,22 @@ static inline void s5pv210_default_sdhci2(void) static inline void s5pv210_default_sdhci2(void) { } #endif /* CONFIG_S3C_DEV_HSMMC2 */ +#ifdef CONFIG_S3C_DEV_HSMMC3 +static inline void s5pv210_default_sdhci3(void) +{ + s3c_hsmmc3_def_platdata.clocks = s5pv210_hsmmc_clksrcs; + s3c_hsmmc3_def_platdata.cfg_gpio = s5pv210_setup_sdhci3_cfg_gpio; + s3c_hsmmc3_def_platdata.cfg_card = s5pv210_setup_sdhci_cfg_card; +} +#else +static inline void s5pv210_default_sdhci3(void) { } +#endif /* CONFIG_S3C_DEV_HSMMC3 */ + #else static inline void s5pv210_default_sdhci0(void) { } static inline void s5pv210_default_sdhci1(void) { } static inline void s5pv210_default_sdhci2(void) { } +static inline void s5pv210_default_sdhci3(void) { } #endif /* CONFIG_S5PC100_SETUP_SDHCI */ -- 1.6.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html