ARM: tegra: bowmore: set constraints for sd4 regulator

AS3722 sd4 regulator is not OTP programmed. So by default
voltage is 0. We need to provide initial minV and maxV so
as to initialize the regulator properly.

Bug 1454868

Change-Id: I004cee04f97e49ab22f680970bdf8c1941f5e3f1
Signed-off-by: Bibek Basu <bbasu@nvidia.com>
Reviewed-on: http://git-master/r/420636
(cherry picked from commit 49577a8506b7e26d120121fdd3ce5bee5ab26750)
Reviewed-on: http://git-master/r/427142
Reviewed-by: Laxman Dewangan <ldewangan@nvidia.com>

diff --git a/arch/arm/boot/dts/tegra124-platforms/tegra124-ardbeg-pmic-e1733-1000-a00.dtsi b/arch/arm/boot/dts/tegra124-platforms/tegra124-ardbeg-pmic-e1733-1000-a00.dtsi
index 331732eaf8fa9363981655306f1695f32f5c0a45..d349e9c33ed8240304c229cfe5450f8323cc9dc3 100644 (file)
--- a/arch/arm/boot/dts/tegra124-platforms/tegra124-ardbeg-pmic-e1733-1000-a00.dtsi
+++ b/arch/arm/boot/dts/tegra124-platforms/tegra124-ardbeg-pmic-e1733-1000-a00.dtsi
@@ -143,6 +143,8 @@
 
                                as3722_sd4: sd4 {
                                        regulator-name = "pex-hdmi";
+                                       regulator-min-microvolt = <1050000>;
+                                       regulator-max-microvolt = <1050000>;
                                        regulator-boot-on;
 
                                        consumers {