diff options
Diffstat (limited to 'arch/arm/mach-msm/board-qsd8x50.c')
| -rw-r--r-- | arch/arm/mach-msm/board-qsd8x50.c | 86 |
1 files changed, 81 insertions, 5 deletions
diff --git a/arch/arm/mach-msm/board-qsd8x50.c b/arch/arm/mach-msm/board-qsd8x50.c index 15c2bbd2ef81..7f568611547e 100644 --- a/arch/arm/mach-msm/board-qsd8x50.c +++ b/arch/arm/mach-msm/board-qsd8x50.c @@ -1,4 +1,4 @@ -/* Copyright (c) 2008-2009, Code Aurora Forum. All rights reserved. +/* Copyright (c) 2009-2011, Code Aurora Forum. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -21,6 +21,8 @@ #include <linux/platform_device.h> #include <linux/delay.h> #include <linux/usb/msm_hsusb.h> +#include <linux/err.h> +#include <linux/clkdev.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -31,6 +33,8 @@ #include <mach/irqs.h> #include <mach/sirc.h> #include <mach/gpio.h> +#include <mach/vreg.h> +#include <mach/mmc.h> #include "devices.h" @@ -95,6 +99,81 @@ static struct platform_device *devices[] __initdata = { &msm_device_hsusb_host, }; +static struct msm_mmc_gpio sdc1_gpio_cfg[] = { + {51, "sdc1_dat_3"}, + {52, "sdc1_dat_2"}, + {53, "sdc1_dat_1"}, + {54, "sdc1_dat_0"}, + {55, "sdc1_cmd"}, + {56, "sdc1_clk"} +}; + +static struct vreg *vreg_mmc; +static unsigned long vreg_sts; + +static uint32_t msm_sdcc_setup_power(struct device *dv, unsigned int vdd) +{ + int rc = 0; + struct platform_device *pdev; + + pdev = container_of(dv, struct platform_device, dev); + + if (vdd == 0) { + if (!vreg_sts) + return 0; + + clear_bit(pdev->id, &vreg_sts); + + if (!vreg_sts) { + rc = vreg_disable(vreg_mmc); + if (rc) + pr_err("vreg_mmc disable failed for slot " + "%d: %d\n", pdev->id, rc); + } + return 0; + } + + if (!vreg_sts) { + rc = vreg_set_level(vreg_mmc, 2900); + if (rc) + pr_err("vreg_mmc set level failed for slot %d: %d\n", + pdev->id, rc); + rc = vreg_enable(vreg_mmc); + if (rc) + pr_err("vreg_mmc enable failed for slot %d: %d\n", + pdev->id, rc); + } + set_bit(pdev->id, &vreg_sts); + return 0; +} + +static struct msm_mmc_gpio_data sdc1_gpio = { + .gpio = sdc1_gpio_cfg, + .size = ARRAY_SIZE(sdc1_gpio_cfg), +}; + +static struct msm_mmc_platform_data qsd8x50_sdc1_data = { + .ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29, + .translate_vdd = msm_sdcc_setup_power, + .gpio_data = &sdc1_gpio, +}; + +static void __init qsd8x50_init_mmc(void) +{ + if (machine_is_qsd8x50_ffa() || machine_is_qsd8x50a_ffa()) + vreg_mmc = vreg_get(NULL, "gp6"); + else + vreg_mmc = vreg_get(NULL, "gp5"); + + if (IS_ERR(vreg_mmc)) { + pr_err("vreg get for vreg_mmc failed (%ld)\n", + PTR_ERR(vreg_mmc)); + return; + } + + msm_add_sdcc(1, &qsd8x50_sdc1_data, 0, 0); +} + static void __init qsd8x50_map_io(void) { msm_map_qsd8x50_io(); @@ -113,11 +192,10 @@ static void __init qsd8x50_init(void) msm_device_hsusb.dev.parent = &msm_device_otg.dev; msm_device_hsusb_host.dev.parent = &msm_device_otg.dev; platform_add_devices(devices, ARRAY_SIZE(devices)); + qsd8x50_init_mmc(); } MACHINE_START(QSD8X50_SURF, "QCT QSD8X50 SURF") -#ifdef CONFIG_MSM_DEBUG_UART -#endif .boot_params = PLAT_PHYS_OFFSET + 0x100, .map_io = qsd8x50_map_io, .init_irq = qsd8x50_init_irq, @@ -126,8 +204,6 @@ MACHINE_START(QSD8X50_SURF, "QCT QSD8X50 SURF") MACHINE_END MACHINE_START(QSD8X50A_ST1_5, "QCT QSD8X50A ST1.5") -#ifdef CONFIG_MSM_DEBUG_UART -#endif .boot_params = PLAT_PHYS_OFFSET + 0x100, .map_io = qsd8x50_map_io, .init_irq = qsd8x50_init_irq, |