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Date: Mon, 7 Jun 2021 08:54:29 +0200
From: Neil Armstrong <narmstrong@...libre.com>
To: khilman@...libre.com, jbrunet@...libre.com,
martin.blumenstingl@...glemail.com
Cc: linux-amlogic@...ts.infradead.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
tobetter@...il.com, Neil Armstrong <narmstrong@...libre.com>
Subject: [PATCH v2 1/7] arm64: dts: meson-sm1-odroid: add missing enable gpio and supply for tf_io regulator
As described in the schematics of Odroid-C4 and Odroid-HC4, the TF_IO regulator
is enabled by the GPIOE_2 GPIO and gets it's supply from VCC_5V.
Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
---
arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi
index d14716b3d0f1..af40ba461074 100644
--- a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi
@@ -46,6 +46,11 @@ tf_io: gpio-regulator-tf_io {
regulator-name = "TF_IO";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
+ vin-supply = <&vcc_5v>;
+
+ enable-gpio = <&gpio GPIOE_2 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ regulator-always-on;
gpios = <&gpio_ao GPIOAO_6 GPIO_ACTIVE_HIGH>;
gpios-states = <0>;
--
2.25.1
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