From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/arm/plat-samsung/dev-hsmmc.c | 79 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 arch/arm/plat-samsung/dev-hsmmc.c (limited to 'arch/arm/plat-samsung/dev-hsmmc.c') diff --git a/arch/arm/plat-samsung/dev-hsmmc.c b/arch/arm/plat-samsung/dev-hsmmc.c new file mode 100644 index 00000000..db7a65c7 --- /dev/null +++ b/arch/arm/plat-samsung/dev-hsmmc.c @@ -0,0 +1,79 @@ +/* linux/arch/arm/plat-s3c/dev-hsmmc.c + * + * Copyright (c) 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C series device definition for hsmmc devices + * + * 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 +#include +#include + +#include +#include +#include +#include + +#define S3C_SZ_HSMMC (0x1000) + +static struct resource s3c_hsmmc_resource[] = { + [0] = { + .start = S3C_PA_HSMMC0, + .end = S3C_PA_HSMMC0 + S3C_SZ_HSMMC - 1, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = IRQ_HSMMC0, + .end = IRQ_HSMMC0, + .flags = IORESOURCE_IRQ, + } +}; + +static u64 s3c_device_hsmmc_dmamask = 0xffffffffUL; + +struct s3c_sdhci_platdata s3c_hsmmc0_def_platdata = { + .max_width = 4, + .host_caps = (MMC_CAP_4_BIT_DATA | + MMC_CAP_MMC_HIGHSPEED | MMC_CAP_SD_HIGHSPEED), + .clk_type = S3C_SDHCI_CLK_DIV_INTERNAL, +}; + +struct platform_device s3c_device_hsmmc0 = { + .name = "s3c-sdhci", + .id = 0, + .num_resources = ARRAY_SIZE(s3c_hsmmc_resource), + .resource = s3c_hsmmc_resource, + .dev = { + .dma_mask = &s3c_device_hsmmc_dmamask, + .coherent_dma_mask = 0xffffffffUL, + .platform_data = &s3c_hsmmc0_def_platdata, + }, +}; + +void s3c_sdhci0_set_platdata(struct s3c_sdhci_platdata *pd) +{ + struct s3c_sdhci_platdata *set = &s3c_hsmmc0_def_platdata; + + set->cd_type = pd->cd_type; + set->ext_cd_init = pd->ext_cd_init; + set->ext_cd_cleanup = pd->ext_cd_cleanup; + set->ext_cd_gpio = pd->ext_cd_gpio; + set->ext_cd_gpio_invert = pd->ext_cd_gpio_invert; + + if (pd->max_width) + 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; + if (pd->host_caps) + set->host_caps |= pd->host_caps; + if (pd->clk_type) + set->clk_type = pd->clk_type; +} -- cgit v1.2.3