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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2019-08-30 13:22:52 +0300
committerSekhar Nori <nsekhar@ti.com>2020-01-13 15:05:35 +0300
commit9c76e8f65d2e73834fe1c83ed4394f3b4d485548 (patch)
treee30899c439e9f391fbb2bb63247b74e7ddfa5e2b /arch/arm/mach-davinci
parent6b49d4fbcbc2ad98c234da2b344865508eed7bf4 (diff)
downloadlinux-9c76e8f65d2e73834fe1c83ed4394f3b4d485548.tar.xz
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>
Diffstat (limited to 'arch/arm/mach-davinci')
-rw-r--r--arch/arm/mach-davinci/board-dm365-evm.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/board-dm365-evm.c b/arch/arm/mach-davinci/board-dm365-evm.c
index 150a36f333df..2328b15ac067 100644
--- 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);