linux-kernel - [PATCH v3 2/2] arm64: dts: mt7986: add overlay for SATA power socket on BPI-R3

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Message-Id: <20240608080530.9436-3-linux@fw-web.de>
Date: Sat,  8 Jun 2024 10:05:30 +0200
From: Frank Wunderlich <linux@...web.de>
To: Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: Frank Wunderlich <frank-w@...lic-files.de>,
	linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org,
	devicetree@...r.kernel.org,
	Daniel Golle <daniel@...rotopia.org>
Subject: [PATCH v3 2/2] arm64: dts: mt7986: add overlay for SATA power socket on BPI-R3

From: Frank Wunderlich <frank-w@...lic-files.de>

Bananapi R3 has a Power socket entended for using external SATA drives.
This Socket is off by default but can be switched with gpio 8.

Add an overlay to activate it.

Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
---
v3:
- make sata overlay better readable
v2:
- rebase on the patch "add dtbs with applied overlays for bpi-r3"
- add sata-overlay to the full dtbs
---
 arch/arm64/boot/dts/mediatek/Makefile         | 13 ++++---
 .../mt7986a-bananapi-bpi-r3-sata.dtso         | 35 +++++++++++++++++++
 2 files changed, 44 insertions(+), 4 deletions(-)
 create mode 100644 arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-sata.dtso

diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
index 0ec5b904d35d..ac0af5ffe97d 100644
--- a/arch/arm64/boot/dts/mediatek/Makefile
+++ b/arch/arm64/boot/dts/mediatek/Makefile
@@ -14,26 +14,31 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-emmc.dtbo
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-nand.dtbo
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-nor.dtbo
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-sata.dtbo
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-sd.dtbo
 mt7986a-bananapi-bpi-r3-emmc-nand-dtbs := \
 	mt7986a-bananapi-bpi-r3.dtb \
 	mt7986a-bananapi-bpi-r3-emmc.dtbo \
-	mt7986a-bananapi-bpi-r3-nand.dtbo
+	mt7986a-bananapi-bpi-r3-nand.dtbo \
+	mt7986a-bananapi-bpi-r3-sata.dtbo
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-emmc-nand.dtb
 mt7986a-bananapi-bpi-r3-emmc-nor-dtbs := \
 	mt7986a-bananapi-bpi-r3.dtb \
 	mt7986a-bananapi-bpi-r3-emmc.dtbo \
-	mt7986a-bananapi-bpi-r3-nor.dtbo
+	mt7986a-bananapi-bpi-r3-nor.dtbo \
+	mt7986a-bananapi-bpi-r3-sata.dtbo
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-emmc-nor.dtb
 mt7986a-bananapi-bpi-r3-sd-nand-dtbs := \
 	mt7986a-bananapi-bpi-r3.dtb \
 	mt7986a-bananapi-bpi-r3-sd.dtbo \
-	mt7986a-bananapi-bpi-r3-nand.dtbo
+	mt7986a-bananapi-bpi-r3-nand.dtbo \
+	mt7986a-bananapi-bpi-r3-sata.dtbo
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-sd-nand.dtb
 mt7986a-bananapi-bpi-r3-sd-nor-dtbs := \
 	mt7986a-bananapi-bpi-r3.dtb \
 	mt7986a-bananapi-bpi-r3-sd.dtbo \
-	mt7986a-bananapi-bpi-r3-nor.dtbo
+	mt7986a-bananapi-bpi-r3-nor.dtbo \
+	mt7986a-bananapi-bpi-r3-sata.dtbo
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-bananapi-bpi-r3-sd-nor.dtb
 
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt7986a-rfb.dtb
diff --git a/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-sata.dtso b/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-sata.dtso
new file mode 100644
index 000000000000..17659545470e
--- /dev/null
+++ b/arch/arm64/boot/dts/mediatek/mt7986a-bananapi-bpi-r3-sata.dtso
@@ -0,0 +1,35 @@
+// SPDX-License-Identifier: (GPL-2.0 OR MIT)
+/*
+ * Copyright (C) 2021 MediaTek Inc.
+ * Author: Frank Wunderlich <frank-w@...lic-files.de>
+ */
+
+/dts-v1/;
+/plugin/;
+
+#include <dt-bindings/gpio/gpio.h>
+
+&{/} {
+	compatible = "bananapi,bpi-r3", "mediatek,mt7986a";
+
+	reg_sata12v: regulator-sata12v {
+		compatible = "regulator-fixed";
+		regulator-name = "sata12v";
+		regulator-min-microvolt = <12000000>;
+		regulator-max-microvolt = <12000000>;
+		gpio = <&pio 8 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+		regulator-always-on;
+	};
+
+	reg_sata5v: regulator-sata5v {
+		compatible = "regulator-fixed";
+		regulator-name = "sata5v";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+		vin-supply = <&reg_sata12v>;
+	};
+
+};
+
-- 
2.34.1