[PATCH 9/9] ARM: dts: TQma53: describe the full power supply tree
From: Juergen Borleis <hidden>
Date: 2017-09-07 09:08:06
Also in:
linux-devicetree, lkml
Subsystem:
the rest · Maintainer:
Linus Torvalds
|<--- mba53 devel baseboard --->|<----- TQma53 CPU card ----->|
| | |
+12 V -|-o--> 3.3 V ----> internal use | |
| | | |
| \--> 5.0 V -o--> internal use | /--> 3.8 V --> PMIC |
| | | | |
| \---------------->|-o--> 3.2 V --> internal use |
| |
Signed-off-by: Juergen Borleis <redacted>
---
arch/arm/boot/dts/imx53-mba53.dts | 36 +++++++++++++++++++++++++++++++++++-
arch/arm/boot/dts/imx53-tqma53.dtsi | 9 +++++++++
2 files changed, 44 insertions(+), 1 deletion(-)
diff --git a/arch/arm/boot/dts/imx53-mba53.dts b/arch/arm/boot/dts/imx53-mba53.dts
index fb50ed8cc8f47..b5e1b9b373bf5 100644
--- a/arch/arm/boot/dts/imx53-mba53.dts
+++ b/arch/arm/boot/dts/imx53-mba53.dts@@ -44,6 +44,32 @@ }; }; + main_power_in_12p0v: mainpowerin { + /* external power-in */ + compatible = "regulator-fixed"; + regulator-name = "12P0V"; + regulator-min-microvolt = <12000000>; + regulator-max-microvolt = <12000000>; + regulator-always-on; + }; + + reg_5p0v: base5p0v { + compatible = "regulator-fixed"; + regulator-name = "5P0V"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + vin-supply = <&main_power_in_12p0v>; + regulator-always-on; + }; + + reg_3p3v: base3p3v { + compatible = "regulator-fixed"; + regulator-name = "3P3V"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + vin-supply = <&main_power_in_12p0v>; + regulator-always-on; + }; reg_backlight: backlight { compatible = "regulator-fixed";
@@ -67,6 +93,14 @@ }; }; +®_3p2v { + vin-supply = <®_5p0v>; +}; + +®_3p8v { + vin-supply = <®_5p0v>; +}; + &ldb { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_lvds1_1>;
@@ -192,7 +226,7 @@ }; &esdhc2 { - vmmc-supply = <®_3p2v>; + vmmc-supply = <®_3p3v>; status = "okay"; };
diff --git a/arch/arm/boot/dts/imx53-tqma53.dtsi b/arch/arm/boot/dts/imx53-tqma53.dtsi
index 1ab5fbab1d728..ff4608b7318f4 100644
--- a/arch/arm/boot/dts/imx53-tqma53.dtsi
+++ b/arch/arm/boot/dts/imx53-tqma53.dtsi@@ -27,6 +27,14 @@ regulator-max-microvolt = <3200000>; regulator-always-on; }; + + reg_3p8v: card3p8v { + compatible = "regulator-fixed"; + regulator-name = "3P8V"; + regulator-min-microvolt = <3800000>; + regulator-max-microvolt = <3800000>; + regulator-always-on; + }; }; &esdhc2 {
@@ -264,6 +272,7 @@ fsl,mc13xxx-uses-rtc; interrupt-parent = <&gpio2>; interrupts = <6 IRQ_TYPE_LEVEL_HIGH>; + /* power supply input is ®_3p8v */ }; sensor1: lm75 at 48 {
--
2.11.0