Support for MMC1 & MMC2 controllers is added to the board file.
Also includes configuration of MMC1 Card detect initially.
Signed-off-by: Kishore Kadiyala <kishore.kadiyala@xxxxxx>
---
arch/arm/mach-omap2/Makefile | 3 +-
arch/arm/mach-omap2/board-4430sdp.c | 64 +++++++++++++++++++++++++++++++----
include/linux/i2c/twl.h | 44 ++++++++++++++++++++++++
3 files changed, 103 insertions(+), 8 deletions(-)
diff --git a/arch/arm/mach-omap2/Makefile b/arch/arm/mach-omap2/Makefile
index ffe600a..65d8d11 100644
--- a/arch/arm/mach-omap2/Makefile
+++ b/arch/arm/mach-omap2/Makefile
@@ -140,7 +140,8 @@ obj-$(CONFIG_MACH_IGEP0020) += board-igep0020.o \
hsmmc.o
obj-$(CONFIG_MACH_OMAP3_TOUCHBOOK) += board-omap3touchbook.o \
hsmmc.o
-obj-$(CONFIG_MACH_OMAP_4430SDP) += board-4430sdp.o
+obj-$(CONFIG_MACH_OMAP_4430SDP) += board-4430sdp.o \
+ hsmmc.o
obj-$(CONFIG_MACH_OMAP3517EVM) += board-am3517evm.o
diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index d86e22d..70c8ab7 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -32,6 +32,8 @@
#include <plat/control.h>
#include <plat/timer-gp.h>
#include <plat/usb.h>
+#include <plat/mmc.h>
+#include "hsmmc.h"
static struct platform_device sdp4430_lcd_device = {
.name = "sdp4430_lcd",
@@ -68,24 +70,71 @@ static struct omap_musb_board_data musb_board_data = {
.power = 100,
};
-static struct regulator_consumer_supply sdp4430_vmmc_supply[] = {
- {
- .supply = "vmmc",
- },
+static struct omap2_hsmmc_info mmc[] = {
{
- .supply = "vmmc",
+ .mmc = 1,
+ .wires = 8,
+ .gpio_cd = TWL6030_IRQ_BASE + MMCDETECT_INTR_OFFSET,
+ .cd_type = NON_GPIO,
+ .gpio_wp = -EINVAL,
},
{
- .supply = "vmmc",
+ .mmc = 2,
+ .wires = 8,
+ .gpio_cd = -EINVAL,
+ .gpio_wp = -EINVAL,
+ .nonremovable = true,
},
+ {} /* Terminator */
+};
+
+static struct regulator_consumer_supply sdp4430_vmmc_supply[] = {
{
.supply = "vmmc",
+ .dev_name = "mmci-omap-hs.0",
},
{
.supply = "vmmc",
+ .dev_name = "mmci-omap-hs.1",
},
};
+static int omap4_twl6030_hsmmc_late_init(struct device *dev)
+{
+ int ret = 0;
+ struct platform_device *pdev = container_of(dev,
+ struct platform_device, dev);
+ struct omap_mmc_platform_data *pdata = dev->platform_data;
+
+ /* MMC1 Card detect Configuration */
+ if (pdev->id == 0) {
+ ret = omap4_hsmmc1_card_detect_config();
+ if (ret < 0)
+ pr_err("Unable to configure Card detect for MMC1\n");
+ pdata->slots[0].card_detect_irq = TWL6030_IRQ_BASE +
+ MMCDETECT_INTR_OFFSET;
+ }
+ return ret;
+}
+
+static __init void omap4_twl6030_hsmmc_set_late_init(struct device *dev)
+{
+ struct omap_mmc_platform_data *pdata = dev->platform_data;
+
+ pdata->init = omap4_twl6030_hsmmc_late_init;
+}
+
+static int __init omap4_twl6030_hsmmc_init(struct omap2_hsmmc_info *controllers)
+{
+ struct omap2_hsmmc_info *c;
+
+ omap2_hsmmc_init(controllers);
+ for (c = controllers; c->mmc; c++)
+ omap4_twl6030_hsmmc_set_late_init(c->dev);
+
+ return 0;
+}
+
static struct regulator_init_data sdp4430_vaux1 = {
.constraints = {
.min_uV = 1000000,
@@ -137,7 +186,7 @@ static struct regulator_init_data sdp4430_vmmc = {
| REGULATOR_CHANGE_MODE
| REGULATOR_CHANGE_STATUS,
},
- .num_consumer_supplies = 5,
+ .num_consumer_supplies = 2,
.consumer_supplies = sdp4430_vmmc_supply,
};
@@ -256,6 +305,7 @@ static void __init omap_4430sdp_init(void)
omap4_i2c_init();
platform_add_devices(sdp4430_devices, ARRAY_SIZE(sdp4430_devices));
omap_serial_init();
+ omap4_twl6030_hsmmc_init(mmc);
/* OMAP4 SDP uses internal transceiver so register nop transceiver */
usb_nop_xceiv_register();
/* FIXME: allow multi-omap to boot until musb is updated for omap4 */
diff --git a/include/linux/i2c/twl.h b/include/linux/i2c/twl.h
index fb6784e..f382d59 100644
--- a/include/linux/i2c/twl.h
+++ b/include/linux/i2c/twl.h
@@ -141,6 +141,15 @@
#define TWL6030_CHARGER_CTRL_INT_MASK 0x10
#define TWL6030_CHARGER_FAULT_INT_MASK 0x60
+#define TWL6030_MMCCTRL 0xEE
+#define VMMC_AUTO_OFF (0x1 << 3)
+#define SW_FC (0x1 << 2)
+#define STS_MMC 0x1
+
+#define TWL6030_CFG_INPUT_PUPD3 0xF2
+#define MMC_PU (0x1 << 3)
+#define MMC_PD (0x1 << 2)
+
#define TWL4030_CLASS_ID 0x4030
#define TWL6030_CLASS_ID 0x6030
@@ -173,6 +182,41 @@ int twl_i2c_read(u8 mod_no, u8 *value, u8 reg, unsigned num_bytes);
int twl6030_interrupt_unmask(u8 bit_mask, u8 offset);
int twl6030_interrupt_mask(u8 bit_mask, u8 offset);
+/* Configuring Card Detect for MMC1 */
+static inline int omap4_hsmmc1_card_detect_config(void)
+{
+ int res = -1;
+ u8 reg_val = 0;
+
+ /* Unmasking the Card detect Interrupt line for MMC1 from Phoenix */
+ if (twl_class_is_6030()) {
+ twl6030_interrupt_unmask(TWL6030_MMCDETECT_INT_MASK,
+ REG_INT_MSK_LINE_B);
+ twl6030_interrupt_unmask(TWL6030_MMCDETECT_INT_MASK,
+ REG_INT_MSK_STS_B);
+ }
+
+ /*
+ * Intially Configuring MMC_CTRL for receving interrupts &
+ * Card status on TWL6030 for MMC1
+ */
+ res = twl_i2c_read_u8(TWL6030_MODULE_ID0, ®_val, TWL6030_MMCCTRL);
+ if (res < 0)
+ return res;
+ reg_val &= ~VMMC_AUTO_OFF;
+ reg_val |= SW_FC;
+ twl_i2c_write_u8(TWL6030_MODULE_ID0, reg_val, TWL6030_MMCCTRL);
+
+ res = twl_i2c_read_u8(TWL6030_MODULE_ID0, ®_val,
+ TWL6030_CFG_INPUT_PUPD3);
+ if (res < 0)
+ return res;
+ reg_val &= ~(MMC_PU | MMC_PD);
+ twl_i2c_write_u8(TWL6030_MODULE_ID0, reg_val,
+ TWL6030_CFG_INPUT_PUPD3);
+ return res;
+}
+
/*----------------------------------------------------------------------*/
/*
--
1.6.3.3
--
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