Custom board powered by VAUX2 and VAUX4 for MMC instead of VMMC
Also it uses VMMC for MMC core power not voltage.
MMC1: uses VMMC1(voltage) and VMMC2(Vdd)
MMC2: uses VAUX2(voltage) and VAUX4(Vdd)
To address this issue, platform uses its custom power function.
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
---
diff --git a/arch/arm/mach-omap2/mmc-twl4030.c b/arch/arm/mach-omap2/mmc-twl4030.c
index 626d668..571b7b0 100644
--- a/arch/arm/mach-omap2/mmc-twl4030.c
+++ b/arch/arm/mach-omap2/mmc-twl4030.c
@@ -27,28 +27,6 @@
#if defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
-#define LDO_CLR 0x00
-#define VSEL_S2_CLR 0x40
-
-#define VMMC1_DEV_GRP 0x27
-#define VMMC1_CLR 0x00
-#define VMMC1_315V 0x03
-#define VMMC1_300V 0x02
-#define VMMC1_285V 0x01
-#define VMMC1_185V 0x00
-#define VMMC1_DEDICATED 0x2A
-
-#define VMMC2_DEV_GRP 0x2B
-#define VMMC2_CLR 0x40
-#define VMMC2_315V 0x0c
-#define VMMC2_300V 0x0b
-#define VMMC2_285V 0x0a
-#define VMMC2_260V 0x08
-#define VMMC2_185V 0x06
-#define VMMC2_DEDICATED 0x2E
-
-#define VMMC_DEV_GRP_P1 0x20
-
static u16 control_pbias_offset;
static u16 control_devconf1_offset;
@@ -385,14 +363,21 @@ void __init hsmmc_init(struct twl4030_hsmmc_info *controllers)
/* NOTE: we assume OMAP's MMC1 and MMC2 use
* the TWL4030's VMMC1 and VMMC2, respectively;
* and that OMAP's MMC3 isn't used.
+ * or provided by a platform.
*/
switch (c->mmc) {
case 1:
- mmc->slots[0].set_power = twl_mmc1_set_power;
+ if (c->set_power)
+ mmc->slots[0].set_power = c->set_power;
+ else
+ mmc->slots[0].set_power = twl_mmc1_set_power;
break;
case 2:
- mmc->slots[0].set_power = twl_mmc2_set_power;
+ if (c->set_power)
+ mmc->slots[0].set_power = c->set_power;
+ else
+ mmc->slots[0].set_power = twl_mmc2_set_power;
break;
default:
pr_err("MMC%d configuration not supported!\n", c->mmc);
diff --git a/arch/arm/mach-omap2/mmc-twl4030.h b/arch/arm/mach-omap2/mmc-twl4030.h
index e2d58a2..25a08ed 100644
--- a/arch/arm/mach-omap2/mmc-twl4030.h
+++ b/arch/arm/mach-omap2/mmc-twl4030.h
@@ -6,12 +6,55 @@
* published by the Free Software Foundation.
*/
+#define VAUX2_DEV_GRP 0x1B
+#define VAUX2_315V 0x0C
+#define VAUX2_300V 0x0B
+#define VAUX2_285V 0x0A
+#define VAUX2_260V 0x08
+#define VAUX2_185V 0x06
+#define VAUX2_180V 0x05
+#define VAUX2_DEDICATED 0x1E
+
+#define VAUX4_DEV_GRP 0x23
+#define VAUX4_315V 0x0C
+#define VAUX4_300V 0x0B
+#define VAUX4_285V 0x0A
+#define VAUX4_260V 0x08
+#define VAUX4_185V 0x06
+#define VAUX4_DEDICATED 0x26
+
+#define VAUX_DEV_GRP_P1 0x20
+
+#define LDO_CLR 0x00
+#define VSEL_S2_CLR 0x40
+
+#define VMMC1_DEV_GRP 0x27
+#define VMMC1_CLR 0x00
+#define VMMC1_315V 0x03
+#define VMMC1_300V 0x02
+#define VMMC1_285V 0x01
+#define VMMC1_185V 0x00
+#define VMMC1_DEDICATED 0x2A
+
+#define VMMC2_DEV_GRP 0x2B
+#define VMMC2_CLR 0x00
+#define VMMC2_315V 0x0c
+#define VMMC2_300V 0x0b
+#define VMMC2_285V 0x0a
+#define VMMC2_260V 0x08
+#define VMMC2_185V 0x06
+#define VMMC2_DEDICATED 0x2E
+
+#define VMMC_DEV_GRP_P1 0x20
+
struct twl4030_hsmmc_info {
u8 mmc; /* controller 1/2/3 */
u8 wires; /* 1/4/8 wires */
int gpio_cd; /* or -EINVAL */
int gpio_wp; /* or -EINVAL */
int ext_clock:1; /* use external pin for input clock */
+ int (*set_power)(struct device *dev, int slot,
+ int power_on, int vdd);
};
#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE) || \
--
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