2020-11-30 18:45:58

by Michael Klein

[permalink] [raw]
Subject: [PATCH] ARM: dts: sun8i-h2-plus-bananapi-m2-zero: add regulator nodes vcc-dram and vcc1v2

Add regulator nodes vcc-dram and vcc1v2 to the devicetree. These
regulators correspond to U4 and U5 in the schematics:

http://forum.banana-pi.org/t/bpi-m2-zero-schematic-diagram-public/4111

Signed-off-by: Michael Klein <[email protected]>
---
.../dts/sun8i-h2-plus-bananapi-m2-zero.dts | 24 +++++++++++++++++++
1 file changed, 24 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts b/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts
index 4c6704e4c57e..74d5732c412b 100644
--- a/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts
+++ b/arch/arm/boot/dts/sun8i-h2-plus-bananapi-m2-zero.dts
@@ -62,6 +62,30 @@ reg_vdd_cpux: vdd-cpux-regulator {
states = <1100000 0>, <1300000 1>;
};

+ reg_vcc_dram: vcc-dram {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc-dram";
+ regulator-min-microvolt = <1500000>;
+ regulator-max-microvolt = <1500000>;
+ regulator-always-on;
+ regulator-boot-on;
+ enable-active-high;
+ gpio = <&r_pio 0 9 GPIO_ACTIVE_HIGH>; /* PL9 */
+ vin-supply = <&reg_vcc5v0>;
+ };
+
+ reg_vcc1v2: vcc1v2 {
+ compatible = "regulator-fixed";
+ regulator-name = "vcc1v2";
+ regulator-min-microvolt = <1200000>;
+ regulator-max-microvolt = <1200000>;
+ regulator-always-on;
+ regulator-boot-on;
+ enable-active-high;
+ gpio = <&r_pio 0 8 GPIO_ACTIVE_HIGH>; /* PL8 */
+ vin-supply = <&reg_vcc5v0>;
+ };
+
wifi_pwrseq: wifi_pwrseq {
compatible = "mmc-pwrseq-simple";
reset-gpios = <&r_pio 0 7 GPIO_ACTIVE_LOW>; /* PL7 */
--
2.29.2


2020-12-01 10:40:59

by Maxime Ripard

[permalink] [raw]
Subject: Re: [PATCH] ARM: dts: sun8i-h2-plus-bananapi-m2-zero: add regulator nodes vcc-dram and vcc1v2

On Mon, Nov 30, 2020 at 07:38:43PM +0100, Michael Klein wrote:
> Add regulator nodes vcc-dram and vcc1v2 to the devicetree. These
> regulators correspond to U4 and U5 in the schematics:
>
> http://forum.banana-pi.org/t/bpi-m2-zero-schematic-diagram-public/4111
>
> Signed-off-by: Michael Klein <[email protected]>

Queued for 5.12, thanks!
Maxime

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