linux-kernel - [PATCH 6/7] arm64: dts: mt7622: use gpio-ranges to pinctrl device

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Date:   Fri, 22 Jun 2018 11:49:09 +0800
From:   <sean.wang@...iatek.com>
To:     <linus.walleij@...aro.org>, <linux-mediatek@...ts.infradead.org>
CC:     <linux-arm-kernel@...ts.infradead.org>,
        <linux-gpio@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Sean Wang <sean.wang@...iatek.com>
Subject: [PATCH 6/7] arm64: dts: mt7622: use gpio-ranges to pinctrl device

From: Sean Wang <sean.wang@...iatek.com>

Using gpio-ranges property represent which GPIOs correspond to which pins
on MT7622 pin controllers. For details, we can see section 2.1 of
Documentation/devicetree/bindings/gpio/gpio.txt to know how to bind pinctrl
and gpio drivers via the "gpio-ranges" property.

Signed-off-by: Sean Wang <sean.wang@...iatek.com>
---
 arch/arm64/boot/dts/mediatek/mt7622.dtsi | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
index e2c5450..50cb56c 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
@@ -291,6 +291,7 @@
 		reg-names = "base", "eint";
 		gpio-controller;
 		#gpio-cells = <2>;
+		gpio-ranges = <&pio 0 0 103>;
 		interrupt-controller;
 		interrupts = <GIC_SPI 153 IRQ_TYPE_LEVEL_HIGH>;
 		interrupt-parent = <&gic>;
-- 
2.7.4