diff mbox series

[2/6] arm64: dts: meson-sm1-odroid: set tf_io regulator gpio as open source

Message ID 20210601090140.261768-3-narmstrong@baylibre.com (mailing list archive)
State Superseded
Headers show
Series arm64: dts: meson-sm1-odroid: various fixes for C4/HC4 | expand

Commit Message

Neil Armstrong June 1, 2021, 9:01 a.m. UTC 
According to Odroid-C4 & HC4 Schematics, the TF_3V3N_1V8_EN can be in Hi-Z for 3v3,
and since it's the default GPIOAO_6 mode at reset, let switch this GPIO as Open-Source
to drive for 1, and input for 0.

Fixes: 88d537bc92ca ("arm64: dts: meson: convert meson-sm1-odroid-c4 to dtsi")
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
---
 arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Martin Blumenstingl June 3, 2021, 6:03 p.m. UTC | #1 
On Tue, Jun 1, 2021 at 11:01 AM Neil Armstrong <narmstrong@baylibre.com> wrote:
>
> According to Odroid-C4 & HC4 Schematics, the TF_3V3N_1V8_EN can be in Hi-Z for 3v3,
> and since it's the default GPIOAO_6 mode at reset, let switch this GPIO as Open-Source
> to drive for 1, and input for 0.
>
> Fixes: 88d537bc92ca ("arm64: dts: meson: convert meson-sm1-odroid-c4 to dtsi")
> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Acked-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi
index af40ba461074..e64359163331 100644
--- a/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-sm1-odroid.dtsi
@@ -52,7 +52,7 @@  tf_io: gpio-regulator-tf_io {
 		enable-active-high;
 		regulator-always-on;
 
-		gpios = <&gpio_ao GPIOAO_6 GPIO_ACTIVE_HIGH>;
+		gpios = <&gpio_ao GPIOAO_6 GPIO_OPEN_SOURCE>;
 		gpios-states = <0>;
 
 		states = <3300000 0>,