openwrtv4/target/linux/mediatek/patches/0048-dt-bindings-mediatek-Modify-pinctrl-bindings-for-mt6.patch

From 69b78182d6d7777153323abe3cff8e533ca01143 Mon Sep 17 00:00:00 2001
From: Hongzhou Yang <hongzhou.yang@mediatek.com>
Date: Mon, 18 May 2015 23:11:12 -0700
Subject: [PATCH 48/76] dt-bindings: mediatek: Modify pinctrl bindings for
 mt6397.

Since 6397 is no need to support interrupt controller,
moving interrupt controller relate property to optional list.
Also adding mt8173 and mt8127 to bindings.

Signed-off-by: Hongzhou Yang <hongzhou.yang@mediatek.com>
---
 Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt |    9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

--- a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt
+++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt65xx.txt
@@ -3,9 +3,11 @@
 The Mediatek's Pin controller is used to control SoC pins.
 
 Required properties:
-- compatible: value should be either of the following.
+- compatible: value should be one of the following.
     (a) "mediatek,mt8135-pinctrl", compatible with mt8135 pinctrl.
-- mediatek,pctl-regmap: Should be a phandle of the syscfg node.
+    (b) "mediatek,mt8173-pinctrl", compatible with mt8173 pinctrl.
+    (c) "mediatek,mt6397-pinctrl", compatible with mt6397 pinctrl.
+    (d) "mediatek,mt8127-pinctrl", compatible with mt8127 pinctrl.
 - pins-are-numbered: Specify the subnodes are using numbered pinmux to
   specify pins.
 - gpio-controller : Marks the device node as a gpio controller.
@@ -24,6 +26,9 @@ Required properties:
             Only the following flags are supported:
             0 - GPIO_ACTIVE_HIGH
             1 - GPIO_ACTIVE_LOW
+
+Optional properties:
+- mediatek,pctl-regmap: Should be a phandle of the syscfg node.
 - reg: physicall address base for EINT registers
 - interrupt-controller: Marks the device node as an interrupt controller
 - #interrupt-cells: Should be two.