Add platform data and base address for SDCC on QSD8x50. This adds
support for slot 1, slot 2 and slot 3.
Signed-off-by: Sahitya Tummala <stummala@xxxxxxxxxxxxxx>
---
arch/arm/mach-msm/board-qsd8x50.c | 140 ++++++++++++++++
arch/arm/mach-msm/devices-qsd8x50.c | 196 +++++++++++++++++++++++
arch/arm/mach-msm/include/mach/msm_iomap-8x50.h | 8 +-
3 files changed, 340 insertions(+), 4 deletions(-)
diff --git a/arch/arm/mach-msm/board-qsd8x50.c b/arch/arm/mach-msm/board-qsd8x50.c
index 508333c..4ee9fa6 100644
--- a/arch/arm/mach-msm/board-qsd8x50.c
+++ b/arch/arm/mach-msm/board-qsd8x50.c
@@ -20,6 +20,7 @@
#include <linux/gpio.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
+#include <linux/err.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
@@ -30,6 +31,8 @@
#include <mach/irqs.h>
#include <mach/sirc.h>
#include <mach/gpio.h>
+#include <mach/vreg.h>
+#include <mach/mmc.h>
#include "devices.h"
@@ -72,6 +75,140 @@ static void msm8x50_init_uart3(void)
ARRAY_SIZE(uart3_config_data));
}
+#if defined(CONFIG_MMC_MSM) || defined(CONFIG_MMC_MSM_MODULE)
+static struct vreg *vreg_mmc;
+
+struct sdcc_gpio {
+ struct msm_gpio *cfg_data;
+ uint32_t size;
+};
+
+static struct msm_gpio sdc1_cfg_data[] = {
+ {GPIO_CFG(51, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_8MA), "sdc1_dat_3"},
+ {GPIO_CFG(52, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_8MA), "sdc1_dat_2"},
+ {GPIO_CFG(53, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_8MA), "sdc1_dat_1"},
+ {GPIO_CFG(54, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_8MA), "sdc1_dat_0"},
+ {GPIO_CFG(55, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_8MA), "sdc1_cmd"},
+ {GPIO_CFG(56, 1, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_8MA), "sdc1_clk"},
+};
+
+static struct msm_gpio sdc2_cfg_data[] = {
+ {GPIO_CFG(62, 1, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_8MA), "sdc2_clk"},
+ {GPIO_CFG(63, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_8MA), "sdc2_cmd"},
+ {GPIO_CFG(64, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_8MA), "sdc2_dat_3"},
+ {GPIO_CFG(65, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_8MA), "sdc2_dat_2"},
+ {GPIO_CFG(66, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_8MA), "sdc2_dat_1"},
+ {GPIO_CFG(67, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_8MA), "sdc2_dat_0"},
+};
+
+static struct msm_gpio sdc3_cfg_data[] = {
+ {GPIO_CFG(88, 1, GPIO_OUTPUT, GPIO_NO_PULL, GPIO_8MA), "sdc3_clk"},
+ {GPIO_CFG(89, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_8MA), "sdc3_cmd"},
+ {GPIO_CFG(90, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_8MA), "sdc3_dat_3"},
+ {GPIO_CFG(91, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_8MA), "sdc3_dat_2"},
+ {GPIO_CFG(92, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_8MA), "sdc3_dat_1"},
+ {GPIO_CFG(93, 1, GPIO_OUTPUT, GPIO_PULL_UP, GPIO_8MA), "sdc3_dat_0"},
+};
+
+static struct sdcc_gpio sdcc_cfg_data[] = {
+ {
+ .cfg_data = sdc1_cfg_data,
+ .size = ARRAY_SIZE(sdc1_cfg_data),
+ },
+ {
+ .cfg_data = sdc2_cfg_data,
+ .size = ARRAY_SIZE(sdc2_cfg_data),
+ },
+ {
+ .cfg_data = sdc3_cfg_data,
+ .size = ARRAY_SIZE(sdc3_cfg_data),
+ },
+};
+
+static unsigned long vreg_sts, gpio_sts;
+
+static void msm_sdcc_setup_gpio(int dev_id, unsigned int enable)
+{
+ int rc = 0;
+ struct sdcc_gpio *curr;
+
+ curr = &sdcc_cfg_data[dev_id - 1];
+ if (!(test_bit(dev_id, &gpio_sts)^enable))
+ return;
+
+ if (enable) {
+ set_bit(dev_id, &gpio_sts);
+ rc = msm_gpios_request_enable(curr->cfg_data, curr->size);
+ if (rc)
+ printk(KERN_ERR "%s: Failed to turn on GPIOs for slot %d\n",
+ __func__, dev_id);
+ } else {
+ clear_bit(dev_id, &gpio_sts);
+ msm_gpios_disable_free(curr->cfg_data, curr->size);
+ }
+}
+
+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);
+ msm_sdcc_setup_gpio(pdev->id, !!vdd);
+
+ if (vdd == 0) {
+ if (!vreg_sts)
+ return 0;
+
+ clear_bit(pdev->id, &vreg_sts);
+
+ if (!vreg_sts) {
+ rc = vreg_disable(vreg_mmc);
+ if (rc)
+ printk(KERN_ERR "%s: return val: %d\n",
+ __func__, rc);
+ }
+ return 0;
+ }
+
+ if (!vreg_sts) {
+ rc = vreg_set_level(vreg_mmc, 2900);
+ if (!rc)
+ rc = vreg_enable(vreg_mmc);
+ if (rc)
+ printk(KERN_ERR "%s: return val: %d\n",
+ __func__, rc);
+ }
+ set_bit(pdev->id, &vreg_sts);
+ return 0;
+}
+
+static struct msm_mmc_platform_data qsd8x50_sdcc_data = {
+ .ocr_mask = MMC_VDD_27_28 | MMC_VDD_28_29,
+ .translate_vdd = msm_sdcc_setup_power,
+};
+
+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)) {
+ printk(KERN_ERR "%s: vreg get failed (%ld)\n",
+ __func__, PTR_ERR(vreg_mmc));
+ return;
+ }
+
+ msm_add_sdcc(1, &qsd8x50_sdcc_data, 0, 0);
+ if (machine_is_qsd8x50_surf() || machine_is_qsd8x50a_surf()) {
+ msm_add_sdcc(2, &qsd8x50_sdcc_data, 0, 0);
+ msm_add_sdcc(3, &qsd8x50_sdcc_data, 0, 0);
+ }
+}
+#endif
+
static void __init qsd8x50_map_io(void)
{
msm_map_qsd8x50_io();
@@ -89,6 +226,9 @@ static void __init qsd8x50_init(void)
platform_add_devices(early_devices, ARRAY_SIZE(early_devices));
msm8x50_init_uart3();
platform_add_devices(late_devices, ARRAY_SIZE(late_devices));
+#if defined(CONFIG_MMC_MSM) || defined(CONFIG_MMC_MSM_MODULE)
+ qsd8x50_init_mmc();
+#endif
}
MACHINE_START(QSD8X50_SURF, "QCT QSD8X50 SURF")
diff --git a/arch/arm/mach-msm/devices-qsd8x50.c b/arch/arm/mach-msm/devices-qsd8x50.c
index 2342654..37679ee 100644
--- a/arch/arm/mach-msm/devices-qsd8x50.c
+++ b/arch/arm/mach-msm/devices-qsd8x50.c
@@ -48,6 +48,194 @@ struct platform_device msm_device_uart3 = {
.resource = resources_uart3,
};
+static struct resource resources_sdc1[] = {
+ {
+ .start = MSM_SDC1_PHYS,
+ .end = MSM_SDC1_PHYS + MSM_SDC1_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = INT_SDC1_0,
+ .end = INT_SDC1_0,
+ .flags = IORESOURCE_IRQ,
+ .name = "cmd_irq",
+ },
+ {
+ .start = INT_SDC1_1,
+ .end = INT_SDC1_1,
+ .flags = IORESOURCE_IRQ,
+ .name = "pio_irq",
+ },
+ {
+ .flags = IORESOURCE_IRQ | IORESOURCE_DISABLED,
+ .name = "status_irq"
+ },
+ {
+ .start = 8,
+ .end = 8,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+static struct resource resources_sdc2[] = {
+ {
+ .start = MSM_SDC2_PHYS,
+ .end = MSM_SDC2_PHYS + MSM_SDC2_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = INT_SDC2_0,
+ .end = INT_SDC2_0,
+ .flags = IORESOURCE_IRQ,
+ .name = "cmd_irq",
+ },
+ {
+ .start = INT_SDC2_1,
+ .end = INT_SDC2_1,
+ .flags = IORESOURCE_IRQ,
+ .name = "pio_irq",
+ },
+ {
+ .flags = IORESOURCE_IRQ | IORESOURCE_DISABLED,
+ .name = "status_irq"
+ },
+ {
+ .start = 8,
+ .end = 8,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+static struct resource resources_sdc3[] = {
+ {
+ .start = MSM_SDC3_PHYS,
+ .end = MSM_SDC3_PHYS + MSM_SDC3_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = INT_SDC3_0,
+ .end = INT_SDC3_0,
+ .flags = IORESOURCE_IRQ,
+ .name = "cmd_irq",
+ },
+ {
+ .start = INT_SDC3_1,
+ .end = INT_SDC3_1,
+ .flags = IORESOURCE_IRQ,
+ .name = "pio_irq",
+ },
+ {
+ .flags = IORESOURCE_IRQ | IORESOURCE_DISABLED,
+ .name = "status_irq"
+ },
+ {
+ .start = 8,
+ .end = 8,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+static struct resource resources_sdc4[] = {
+ {
+ .start = MSM_SDC4_PHYS,
+ .end = MSM_SDC4_PHYS + MSM_SDC4_SIZE - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = INT_SDC4_0,
+ .end = INT_SDC4_0,
+ .flags = IORESOURCE_IRQ,
+ .name = "cmd_irq",
+ },
+ {
+ .start = INT_SDC4_1,
+ .end = INT_SDC4_1,
+ .flags = IORESOURCE_IRQ,
+ .name = "pio_irq",
+ },
+ {
+ .flags = IORESOURCE_IRQ | IORESOURCE_DISABLED,
+ .name = "status_irq"
+ },
+ {
+ .start = 8,
+ .end = 8,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+struct platform_device msm_device_sdc1 = {
+ .name = "msm_sdcc",
+ .id = 1,
+ .num_resources = ARRAY_SIZE(resources_sdc1),
+ .resource = resources_sdc1,
+ .dev = {
+ .coherent_dma_mask = 0xffffffff,
+ },
+};
+
+struct platform_device msm_device_sdc2 = {
+ .name = "msm_sdcc",
+ .id = 2,
+ .num_resources = ARRAY_SIZE(resources_sdc2),
+ .resource = resources_sdc2,
+ .dev = {
+ .coherent_dma_mask = 0xffffffff,
+ },
+};
+
+struct platform_device msm_device_sdc3 = {
+ .name = "msm_sdcc",
+ .id = 3,
+ .num_resources = ARRAY_SIZE(resources_sdc3),
+ .resource = resources_sdc3,
+ .dev = {
+ .coherent_dma_mask = 0xffffffff,
+ },
+};
+
+struct platform_device msm_device_sdc4 = {
+ .name = "msm_sdcc",
+ .id = 4,
+ .num_resources = ARRAY_SIZE(resources_sdc4),
+ .resource = resources_sdc4,
+ .dev = {
+ .coherent_dma_mask = 0xffffffff,
+ },
+};
+
+static struct platform_device *msm_sdcc_devices[] __initdata = {
+ &msm_device_sdc1,
+ &msm_device_sdc2,
+ &msm_device_sdc3,
+ &msm_device_sdc4,
+};
+
+int __init msm_add_sdcc(unsigned int controller,
+ struct msm_mmc_platform_data *plat,
+ unsigned int stat_irq, unsigned long stat_irq_flags)
+{
+ struct platform_device *pdev;
+ struct resource *res;
+
+ if (controller < 1 || controller > 4)
+ return -EINVAL;
+
+ pdev = msm_sdcc_devices[controller-1];
+ pdev->dev.platform_data = plat;
+
+ res = platform_get_resource_byname(pdev, IORESOURCE_IRQ, "status_irq");
+ if (!res)
+ return -EINVAL;
+ else if (stat_irq) {
+ res->start = res->end = stat_irq;
+ res->flags &= ~IORESOURCE_DISABLED;
+ res->flags |= stat_irq_flags;
+ }
+
+ return platform_device_register(pdev);
+}
+
struct clk msm_clocks_8x50[] = {
CLK_PCOM("adm_clk", ADM_CLK, NULL, 0),
CLK_PCOM("ebi1_clk", EBI1_CLK, NULL, CLK_MIN),
@@ -68,6 +256,14 @@ struct clk msm_clocks_8x50[] = {
CLK_PCOM("pbus_clk", PBUS_CLK, NULL, CLK_MIN),
CLK_PCOM("pcm_clk", PCM_CLK, NULL, 0),
CLK_PCOM("sdac_clk", SDAC_CLK, NULL, OFF),
+ CLK_PCOM("sdc_clk", SDC1_CLK, &msm_device_sdc1.dev, OFF),
+ CLK_PCOM("sdc_pclk", SDC1_P_CLK, &msm_device_sdc1.dev, OFF),
+ CLK_PCOM("sdc_clk", SDC2_CLK, &msm_device_sdc2.dev, OFF),
+ CLK_PCOM("sdc_pclk", SDC2_P_CLK, &msm_device_sdc2.dev, OFF),
+ CLK_PCOM("sdc_clk", SDC3_CLK, &msm_device_sdc3.dev, OFF),
+ CLK_PCOM("sdc_pclk", SDC3_P_CLK, &msm_device_sdc3.dev, OFF),
+ CLK_PCOM("sdc_clk", SDC4_CLK, &msm_device_sdc4.dev, OFF),
+ CLK_PCOM("sdc_pclk", SDC4_P_CLK, &msm_device_sdc4.dev, OFF),
CLK_PCOM("spi_clk", SPI_CLK, NULL, 0),
CLK_PCOM("tsif_clk", TSIF_CLK, NULL, 0),
CLK_PCOM("tsif_ref_clk", TSIF_REF_CLK, NULL, 0),
diff --git a/arch/arm/mach-msm/include/mach/msm_iomap-8x50.h b/arch/arm/mach-msm/include/mach/msm_iomap-8x50.h
index acc819e..732a965 100644
--- a/arch/arm/mach-msm/include/mach/msm_iomap-8x50.h
+++ b/arch/arm/mach-msm/include/mach/msm_iomap-8x50.h
@@ -132,16 +132,16 @@
#define MSM_UART2DM_PHYS 0xA0900000
-#define MSM_SDC1_PHYS 0xA0400000
+#define MSM_SDC1_PHYS 0xA0300000
#define MSM_SDC1_SIZE SZ_4K
-#define MSM_SDC2_PHYS 0xA0500000
+#define MSM_SDC2_PHYS 0xA0400000
#define MSM_SDC2_SIZE SZ_4K
-#define MSM_SDC3_PHYS 0xA0600000
+#define MSM_SDC3_PHYS 0xA0500000
#define MSM_SDC3_SIZE SZ_4K
-#define MSM_SDC4_PHYS 0xA0700000
+#define MSM_SDC4_PHYS 0xA0600000
#define MSM_SDC4_SIZE SZ_4K
#endif
--
1.7.1
--
Consultant for Qualcomm Innovation Center, Inc.
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum.
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