>From cc1b24cb290d428f2e1aefec9c7878b46380f592 Mon Sep 17 00:00:00 2001
From: Syed Mohammed Khasim <kha...@ti.com>
Date: Sat, 9 Jan 2010 09:28:03 +0530
Subject: [PATCH] API to select twl4030 voltage and dev group
Adds a new API "twl4030_pmrecv_vsel_cfg" to select voltage
and its device group
Signed-off-by: Syed Mohammed Khasim <kha...@ti.com>
---
drivers/power/twl4030.c | 24 +++++++++++++++---------
include/twl4030.h | 16 ++++++++++++++++
2 files changed, 31 insertions(+), 9 deletions(-)
diff --git a/drivers/power/twl4030.c b/drivers/power/twl4030.c
index eb066cb..d68e515 100644
--- a/drivers/power/twl4030.c
+++ b/drivers/power/twl4030.c
@@ -59,16 +59,9 @@ void twl4030_power_reset_init(void)
}
}
-
/*
* Power Init
*/
-#define DEV_GRP_P1 0x20
-#define VAUX3_VSEL_28 0x03
-#define DEV_GRP_ALL 0xE0
-#define VPLL2_VSEL_18 0x05
-#define VDAC_VSEL_18 0x03
-
void twl4030_power_init(void)
{
unsigned char byte;
@@ -98,8 +91,6 @@ void twl4030_power_init(void)
TWL4030_PM_RECEIVER_VDAC_DEDICATED);
}
-#define VMMC1_VSEL_30 0x02
-
void twl4030_power_mmc_init(void)
{
unsigned char byte;
@@ -113,3 +104,18 @@ void twl4030_power_mmc_init(void)
twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, byte,
TWL4030_PM_RECEIVER_VMMC1_DEDICATED);
}
+
+/*
+ * Generic function to select Device Group and Voltage
+ */
+void twl4030_pmrecv_vsel_cfg(u8 vsel_reg, u8 vsel_val,
+ u8 dev_grp, u8 dev_grp_sel)
+{
+ /* Select the Device Group */
+ twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, dev_grp_sel,
+ dev_grp);
+
+ /* Select the Voltage */
+ twl4030_i2c_write_u8(TWL4030_CHIP_PM_RECEIVER, vsel_val,
+ vsel_reg);
+}
diff --git a/include/twl4030.h b/include/twl4030.h
index f260ecb..b96c96c 100644
--- a/include/twl4030.h
+++ b/include/twl4030.h
@@ -359,6 +359,22 @@
#define TWL4030_USB_PHY_DPLL_CLK (1 << 0)
/*
+ * Voltage Selection in PM Receiver Module
+ */
+#define VAUX2_VSEL_18 0x05
+#define VDD1_VSEL_14 0x40
+#define VAUX3_VSEL_28 0x03
+#define VPLL2_VSEL_18 0x05
+#define VDAC_VSEL_18 0x03
+#define VMMC1_VSEL_30 0x02
+
+/*
+ * Device Selection
+ */
+#define DEV_GRP_P1 0x20
+#define DEV_GRP_ALL 0xE0
+
+/*
* Convience functions to read and write from TWL4030
*
* chip_no is the i2c address, it must be one of the chip addresses
--
1.5.6.3
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