lkml.org 
[lkml]   [2021]   [Jun]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v2 5/7] arm64: dts: meson-sm1-odroid-hc4: add regulators controlled by GPIOH_8
Date
As described in the HC4 schematics, GPIOH_8 controls the USB 5V and 12V
regulators used to power the SATA drives.

And is set as Open Drain since this GPIO doesn't support Push-Pull.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
---
.../boot/dts/amlogic/meson-sm1-odroid-hc4.dts | 26 +++++++++++++++++++
1 file changed, 26 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-hc4.dts b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-hc4.dts
index 0a34b658f994..fdad6b994c88 100644
--- a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-hc4.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid-hc4.dts
@@ -44,6 +44,32 @@ led-red {
};
};

+ /* Powers the SATA Disk 0 regulator, which is enabled when a disk load is detected */
+ p12v_0: regulator-p12v_0 {
+ compatible = "regulator-fixed";
+ regulator-name = "P12V_0";
+ regulator-min-microvolt = <12000000>;
+ regulator-max-microvolt = <12000000>;
+ vin-supply = <&main_12v>;
+
+ gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>;
+ enable-active-high;
+ regulator-always-on;
+ };
+
+ /* Powers the SATA Disk 1 regulator, which is enabled when a disk load is detected */
+ p12v_1: regulator-p12v_1 {
+ compatible = "regulator-fixed";
+ regulator-name = "P12V_1";
+ regulator-min-microvolt = <12000000>;
+ regulator-max-microvolt = <12000000>;
+ vin-supply = <&main_12v>;
+
+ gpio = <&gpio GPIOH_8 GPIO_OPEN_DRAIN>;
+ enable-active-high;
+ regulator-always-on;
+ };
+
sound {
model = "ODROID-HC4";
};
--
2.25.1
\
 
 \ /
  Last update: 2021-06-07 08:55    [W:0.080 / U:0.380 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site