ARM: davinci: dm365-evm: Add Fixed regulators needed for tlv320aic3101

The codec driver needs correct regulators in order to probe.
Both VCC_3V3 and VCC_1V8 is always on fixed regulators on the board.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>

diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index 150a36f333df0bd3583e725d6fe9c478b5c13923..2328b15ac067b7e5c8c980aceb44327b37998f1e 100644 (file)
--- a/arch/arm/mach-davinci/board-dm365-evm.c
+++ b/arch/arm/mach-davinci/board-dm365-evm.c
@@ -30,6 +30,8 @@
 #include <linux/spi/eeprom.h>
 #include <linux/v4l2-dv-timings.h>
 #include <linux/platform_data/ti-aemif.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
@@ -245,6 +247,19 @@ static struct davinci_i2c_platform_data i2c_pdata = {
        .bus_delay      = 0     /* usec */,
 };
 
+/* Fixed regulator support */
+static struct regulator_consumer_supply fixed_supplies_3_3v[] = {
+       /* Baseboard 3.3V: 5V -> TPS767D301 -> 3.3V */
+       REGULATOR_SUPPLY("AVDD", "1-0018"),
+       REGULATOR_SUPPLY("DRVDD", "1-0018"),
+       REGULATOR_SUPPLY("IOVDD", "1-0018"),
+};
+
+static struct regulator_consumer_supply fixed_supplies_1_8v[] = {
+       /* Baseboard 1.8V: 5V -> TPS767D301 -> 1.8V */
+       REGULATOR_SUPPLY("DVDD", "1-0018"),
+};
+
 static int dm365evm_keyscan_enable(struct device *dev)
 {
        return davinci_cfg_reg(DM365_KEYSCAN);
@@ -800,6 +815,11 @@ static __init void dm365_evm_init(void)
        if (ret)
                pr_warn("%s: GPIO init failed: %d\n", __func__, ret);
 
+       regulator_register_always_on(0, "fixed-dummy", fixed_supplies_1_8v,
+                                    ARRAY_SIZE(fixed_supplies_1_8v), 1800000);
+       regulator_register_always_on(1, "fixed-dummy", fixed_supplies_3_3v,
+                                    ARRAY_SIZE(fixed_supplies_3_3v), 3300000);
+
        nvmem_add_cell_table(&davinci_nvmem_cell_table);
        nvmem_add_cell_lookups(&davinci_nvmem_cell_lookup, 1);