Add support for the pbias SIM regulator found on OMAP4 (for USB I/O cell).

Signed-off-by: Thomas Richard <thomas.richard@bootlin.com>
---
 drivers/regulator/pbias-regulator.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/regulator/pbias-regulator.c b/drivers/regulator/pbias-regulator.c
index cd5a0d7e44555f04d1e44470036c6e3d9feb7be6..10c4940e73635293bebd26bf99a9067eb6e39107 100644
--- a/drivers/regulator/pbias-regulator.c
+++ b/drivers/regulator/pbias-regulator.c
@@ -81,6 +81,16 @@ static const struct pbias_reg_info pbias_sim_omap3 = {
 	.name = "pbias_sim_omap3"
 };
 
+static const struct pbias_reg_info pbias_sim_omap4 = {
+	.enable = BIT(28) |  BIT(20),
+	.enable_mask = BIT(31) | BIT(28) | BIT(20),
+	.vmode = BIT(31),
+	.enable_time = 100,
+	.pbias_volt_table = pbias_volt_table_3_0V,
+	.n_voltages = 2,
+	.name = "pbias_sim_omap4"
+};
+
 static const struct pbias_reg_info pbias_mmc_omap4 = {
 	.enable = BIT(26) | BIT(22),
 	.enable_mask = BIT(26) | BIT(25) | BIT(22),
@@ -108,6 +118,7 @@ static struct of_regulator_match pbias_matches[] = {
 	{ .name = "pbias_sim_omap3", .driver_data = (void *)&pbias_sim_omap3},
 	{ .name = "pbias_mmc_omap4", .driver_data = (void *)&pbias_mmc_omap4},
 	{ .name = "pbias_mmc_omap5", .driver_data = (void *)&pbias_mmc_omap5},
+	{ .name = "pbias_sim_omap4", .driver_data = (void *)&pbias_sim_omap4},
 };
 #define PBIAS_NUM_REGS	ARRAY_SIZE(pbias_matches)
 

-- 
2.53.0

On Mon, Mar 23, 2026 at 04:02:42PM +0100, Thomas Richard wrote:
> Add support for the pbias SIM regulator found on OMAP4 (for USB I/O cell).

> @@ -108,6 +118,7 @@ static struct of_regulator_match pbias_matches[] = {
>  	{ .name = "pbias_sim_omap3", .driver_data = (void *)&pbias_sim_omap3},
>  	{ .name = "pbias_mmc_omap4", .driver_data = (void *)&pbias_mmc_omap4},
>  	{ .name = "pbias_mmc_omap5", .driver_data = (void *)&pbias_mmc_omap5},
> +	{ .name = "pbias_sim_omap4", .driver_data = (void *)&pbias_sim_omap4},
>  };

This is a new compatible, it needs bindings adding.