msm: 8960: Configure SDIO on SDC4 slot
Configure SDIO over SDC4 slot.
Do not enable SDC4 as the needed GPIO lines(GPIO#84-88)
are already in use by RIVA for WLAN.
CRs-fixed: 330232
Change-Id: I0755022fe6e19ee12b2ae078bd8f73eb30f1dcc2
Signed-off-by: Pratibhasagar V <pratibha@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-8960-gpiomux.c b/arch/arm/mach-msm/board-8960-gpiomux.c
index 089cbbc..978eb09 100644
--- a/arch/arm/mach-msm/board-8960-gpiomux.c
+++ b/arch/arm/mach-msm/board-8960-gpiomux.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012, Code Aurora Forum. All rights reserved.
+/* Copyright (c) 2011-2012, 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
@@ -597,6 +597,84 @@
};
#endif
+#ifdef CONFIG_MMC_MSM_SDC4_SUPPORT
+static struct gpiomux_setting sdcc4_clk_actv_cfg = {
+ .func = GPIOMUX_FUNC_2,
+ .drv = GPIOMUX_DRV_8MA,
+ .pull = GPIOMUX_PULL_NONE,
+};
+
+static struct gpiomux_setting sdcc4_cmd_data_0_3_actv_cfg = {
+ .func = GPIOMUX_FUNC_2,
+ .drv = GPIOMUX_DRV_8MA,
+ .pull = GPIOMUX_PULL_UP,
+};
+
+static struct gpiomux_setting sdcc4_suspend_cfg = {
+ .func = GPIOMUX_FUNC_GPIO,
+ .drv = GPIOMUX_DRV_2MA,
+ .pull = GPIOMUX_PULL_DOWN,
+};
+
+static struct gpiomux_setting sdcc4_data_1_suspend_cfg = {
+ .func = GPIOMUX_FUNC_GPIO,
+ .drv = GPIOMUX_DRV_8MA,
+ .pull = GPIOMUX_PULL_UP,
+};
+
+static struct msm_gpiomux_config msm8960_sdcc4_configs[] __initdata = {
+ {
+ /* SDC4_DATA_3 */
+ .gpio = 83,
+ .settings = {
+ [GPIOMUX_ACTIVE] = &sdcc4_cmd_data_0_3_actv_cfg,
+ [GPIOMUX_SUSPENDED] = &sdcc4_suspend_cfg,
+ },
+ },
+ {
+ /* SDC4_DATA_2 */
+ .gpio = 84,
+ .settings = {
+ [GPIOMUX_ACTIVE] = &sdcc4_cmd_data_0_3_actv_cfg,
+ [GPIOMUX_SUSPENDED] = &sdcc4_suspend_cfg,
+ },
+ },
+ {
+ /* SDC4_DATA_1 */
+ .gpio = 85,
+ .settings = {
+ [GPIOMUX_ACTIVE] = &sdcc4_cmd_data_0_3_actv_cfg,
+ [GPIOMUX_SUSPENDED] = &sdcc4_data_1_suspend_cfg,
+ },
+ },
+ {
+ /* SDC4_DATA_0 */
+ .gpio = 86,
+ .settings = {
+ [GPIOMUX_ACTIVE] = &sdcc4_cmd_data_0_3_actv_cfg,
+ [GPIOMUX_SUSPENDED] = &sdcc4_suspend_cfg,
+ },
+ },
+ {
+ /* SDC4_CMD */
+ .gpio = 87,
+ .settings = {
+ [GPIOMUX_ACTIVE] = &sdcc4_cmd_data_0_3_actv_cfg,
+ [GPIOMUX_SUSPENDED] = &sdcc4_suspend_cfg,
+ },
+ },
+ {
+ /* SDC4_CLK */
+ .gpio = 88,
+ .settings = {
+ [GPIOMUX_ACTIVE] = &sdcc4_clk_actv_cfg,
+ [GPIOMUX_SUSPENDED] = &sdcc4_suspend_cfg,
+ },
+ },
+};
+#endif
+
+
static struct msm_gpiomux_config hap_lvl_shft_config[] __initdata = {
{
.gpio = 47,
@@ -835,6 +913,11 @@
msm_gpiomux_install(wcnss_5wire_interface,
ARRAY_SIZE(wcnss_5wire_interface));
+#ifdef CONFIG_MMC_MSM_SDC4_SUPPORT
+ msm_gpiomux_install(msm8960_sdcc4_configs,
+ ARRAY_SIZE(msm8960_sdcc4_configs));
+#endif
+
if (machine_is_msm8960_mtp() || machine_is_msm8960_fluid() ||
machine_is_msm8960_liquid() || machine_is_msm8960_cdp())
msm_gpiomux_install(hap_lvl_shft_config,
diff --git a/arch/arm/mach-msm/board-8960-regulator.c b/arch/arm/mach-msm/board-8960-regulator.c
index 48529c2..3923ecf 100644
--- a/arch/arm/mach-msm/board-8960-regulator.c
+++ b/arch/arm/mach-msm/board-8960-regulator.c
@@ -164,6 +164,7 @@
REGULATOR_SUPPLY("8921_s4", NULL),
REGULATOR_SUPPLY("sdc_vccq", "msm_sdcc.1"),
REGULATOR_SUPPLY("sdc_vdd", "msm_sdcc.2"),
+ REGULATOR_SUPPLY("sdc_vddp", "msm_sdcc.4"),
REGULATOR_SUPPLY("riva_vddpx", "wcnss_wlan.0"),
REGULATOR_SUPPLY("hdmi_vcc", "hdmi_msm.0"),
REGULATOR_SUPPLY("VDDIO_CDC", "tabla-slim"),
@@ -194,7 +195,6 @@
};
VREG_CONSUMERS(LVS1) = {
REGULATOR_SUPPLY("8921_lvs1", NULL),
- REGULATOR_SUPPLY("sdc_vdd", "msm_sdcc.4"),
REGULATOR_SUPPLY("iris_vddio", "wcnss_wlan.0"),
};
VREG_CONSUMERS(LVS2) = {
diff --git a/arch/arm/mach-msm/board-8960-storage.c b/arch/arm/mach-msm/board-8960-storage.c
index 3692770..df1d846 100644
--- a/arch/arm/mach-msm/board-8960-storage.c
+++ b/arch/arm/mach-msm/board-8960-storage.c
@@ -94,7 +94,17 @@
* during sleep.
*/
.lpm_uA = 2000,
- }
+ },
+ /* SDCC4 : SDIO slot connected */
+ [SDCC4] = {
+ .name = "sdc_vddp",
+ .high_vol_level = 1800000,
+ .low_vol_level = 1800000,
+ .always_on = 1,
+ .lpm_sup = 1,
+ .hpm_uA = 200000, /* 200mA */
+ .lpm_uA = 2000,
+ },
};
static struct msm_mmc_slot_reg_data mmc_slot_vreg_data[MAX_SDCC_CONTROLLER] = {
@@ -111,7 +121,11 @@
[SDCC3] = {
.vdd_data = &mmc_vdd_reg_data[SDCC3],
.vddp_data = &mmc_vddp_reg_data[SDCC3],
- }
+ },
+ /* SDCC4 : SDIO card slot connected */
+ [SDCC4] = {
+ .vddp_data = &mmc_vddp_reg_data[SDCC4],
+ },
};
/* SDC1 pad data */
@@ -209,11 +223,24 @@
{98, "sdc2_clk"}
};
+struct msm_mmc_gpio sdc4_gpio[] = {
+ {83, "sdc4_dat_3"},
+ {84, "sdc4_dat_2"},
+ {85, "sdc4_dat_1"},
+ {86, "sdc4_dat_0"},
+ {87, "sdc4_cmd"},
+ {88, "sdc4_clk"}
+};
+
struct msm_mmc_gpio_data mmc_gpio_data[MAX_SDCC_CONTROLLER] = {
[SDCC2] = {
.gpio = sdc2_gpio,
.size = ARRAY_SIZE(sdc2_gpio),
- }
+ },
+ [SDCC4] = {
+ .gpio = sdc4_gpio,
+ .size = ARRAY_SIZE(sdc4_gpio),
+ },
};
static struct msm_mmc_pad_data mmc_pad_data[MAX_SDCC_CONTROLLER] = {
@@ -238,6 +265,10 @@
[SDCC3] = {
.pad_data = &mmc_pad_data[SDCC3],
},
+ [SDCC4] = {
+ .is_gpio = 1,
+ .gpio_data = &mmc_gpio_data[SDCC4],
+ },
};
#define MSM_MPM_PIN_SDC1_DAT1 17
@@ -314,6 +345,23 @@
};
#endif
+#ifdef CONFIG_MMC_MSM_SDC4_SUPPORT
+static unsigned int sdc4_sup_clk_rates[] = {
+ 400000, 24000000, 48000000
+};
+
+static struct mmc_platform_data msm8960_sdc4_data = {
+ .ocr_mask = MMC_VDD_165_195,
+ .mmc_bus_width = MMC_CAP_4_BIT_DATA,
+ .sup_clk_table = sdc4_sup_clk_rates,
+ .sup_clk_cnt = ARRAY_SIZE(sdc4_sup_clk_rates),
+ .pclk_src_dfab = 1,
+ .vreg_data = &mmc_slot_vreg_data[SDCC4],
+ .pin_data = &mmc_slot_pin_data[SDCC4],
+ .sdiowakeup_irq = MSM_GPIO_TO_INT(85),
+};
+#endif
+
void __init msm8960_init_mmc(void)
{
#ifdef CONFIG_MMC_MSM_SDC1_SUPPORT
@@ -328,4 +376,8 @@
/* SDC3: External card slot */
msm_add_sdcc(3, &msm8960_sdc3_data);
#endif
+#ifdef CONFIG_MMC_MSM_SDC4_SUPPORT
+ /* SDC4: SDIO slot for WLAN */
+ msm_add_sdcc(4, &msm8960_sdc4_data);
+#endif
}