MLK-23844-1: ARM64: dts: freescale: imx8mn-ddr4-evk: cleanup Rhom pmic

Inculding below cleanup for BD71847 pmic driver:

  --Remove ldo4 which's not used by board, otherwise,ldo4 will be on
    since it's always_on.
  --Remove buck5 which's not used by board too,although that may be off
    by kernel requlator common framework after kernel bootup.
  --Add dvs-run-voltage/dvs-idle-voltage setting for buck2 as i.mx8mm.

Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Reviewed-by: Jacky Bai <ping.bai@nxp.com>

diff --git a/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts b/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts
index 42a7441..bdcd416 100644 (file)
--- a/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts
+++ b/arch/arm64/boot/dts/freescale/imx8mn-ddr4-evk.dts
@@ -76,13 +76,8 @@
                                regulator-boot-on;
                                regulator-always-on;
                                regulator-ramp-delay = <1250>;
-                       };
-
-                       buck3_reg: BUCK3 {
-                               // BUCK5 in datasheet
-                               regulator-name = "buck3";
-                               regulator-min-microvolt = <700000>;
-                               regulator-max-microvolt = <1350000>;
+                               rohm,dvs-run-voltage = <1000000>;
+                               rohm,dvs-idle-voltage = <900000>;
                        };
 
                        buck4_reg: BUCK4 {
@@ -136,14 +131,6 @@
                                regulator-always-on;
                        };
 
-                       ldo4_reg: LDO4 {
-                               regulator-name = "ldo4";
-                               regulator-min-microvolt = <900000>;
-                               regulator-max-microvolt = <1800000>;
-                               regulator-boot-on;
-                               regulator-always-on;
-                       };
-
                        ldo6_reg: LDO6 {
                                regulator-name = "ldo6";
                                regulator-min-microvolt = <900000>;