linux-kernel - [PATCH 03/13] ARM: tegra: Add gpio-ranges property

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Date:	Wed, 17 Jun 2015 15:42:13 +0200
From:	Tomeu Vizoso <tomeu.vizoso@...labora.com>
To:	linux-arm-kernel@...ts.infradead.org
Cc:	Tomeu Vizoso <tomeu.vizoso@...labora.com>,
	Alexander Holler <holler@...oftware.de>,
	Alexandre Courbot <gnurou@...il.com>,
	Andrzej Hajda <a.hajda@...sung.com>,
	Arnd Bergmann <arnd@...db.de>,
	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Grant Likely <grant.likely@...aro.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Javier Martinez Canillas <javier.martinez@...labora.co.uk>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Kumar Gala <galak@...eaurora.org>, Len Brown <lenb@...nel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	linux-kernel@...r.kernel.org, Lv Zheng <lv.zheng@...el.com>,
	Mark Brown <broonie@...nel.org>,
	Mark Rutland <mark.rutland@....com>,
	Pawel Moll <pawel.moll@....com>,
	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Robert Moore <robert.moore@...el.com>,
	Rob Herring <robh+dt@...nel.org>,
	Russell King <linux@....linux.org.uk>,
	Stephen Warren <swarren@...dotorg.org>,
	Terje Bergström <tbergstrom@...dia.com>,
	Thierry Reding <thierry.reding@...il.com>
Subject: [PATCH 03/13] ARM: tegra: Add gpio-ranges property

Specify how the GPIOs map to the pins in Tegra SoCs, so the dependency is
explicit.

This currently will add a duplicated entry in the map from pins to gpios
in the pinmux controller but it should be harmless and will be fixed in a
later commit.

Signed-off-by: Tomeu Vizoso <tomeu.vizoso@...labora.com>

---

v2:	* Change number of gpios to 251 to match pinctrl-tegra124.c
	* Add note about duplicated mapping
	* Add the property to all the other Tegra SoCs
---
 arch/arm/boot/dts/tegra114.dtsi | 1 +
 arch/arm/boot/dts/tegra124.dtsi | 1 +
 arch/arm/boot/dts/tegra20.dtsi  | 1 +
 arch/arm/boot/dts/tegra30.dtsi  | 1 +
 4 files changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/tegra114.dtsi b/arch/arm/boot/dts/tegra114.dtsi
index f58a3d9..7e1e171 100644
--- a/arch/arm/boot/dts/tegra114.dtsi
+++ b/arch/arm/boot/dts/tegra114.dtsi
@@ -234,6 +234,7 @@
 		gpio-controller;
 		#interrupt-cells = <2>;
 		interrupt-controller;
+		gpio-ranges = <&pinmux 0 0 246>;
 	};
 
 	apbmisc@...00800 {
diff --git a/arch/arm/boot/dts/tegra124.dtsi b/arch/arm/boot/dts/tegra124.dtsi
index 87318a7..4779df3 100644
--- a/arch/arm/boot/dts/tegra124.dtsi
+++ b/arch/arm/boot/dts/tegra124.dtsi
@@ -255,6 +255,7 @@
 		gpio-controller;
 		#interrupt-cells = <2>;
 		interrupt-controller;
+		gpio-ranges = <&pinmux 0 0 251>;
 	};
 
 	apbdma: dma@0,60020000 {
diff --git a/arch/arm/boot/dts/tegra20.dtsi b/arch/arm/boot/dts/tegra20.dtsi
index f444b67..b44277c 100644
--- a/arch/arm/boot/dts/tegra20.dtsi
+++ b/arch/arm/boot/dts/tegra20.dtsi
@@ -244,6 +244,7 @@
 		gpio-controller;
 		#interrupt-cells = <2>;
 		interrupt-controller;
+		gpio-ranges = <&pinmux 0 0 224>;
 	};
 
 	apbmisc@...00800 {
diff --git a/arch/arm/boot/dts/tegra30.dtsi b/arch/arm/boot/dts/tegra30.dtsi
index 782b11b..28c547f 100644
--- a/arch/arm/boot/dts/tegra30.dtsi
+++ b/arch/arm/boot/dts/tegra30.dtsi
@@ -349,6 +349,7 @@
 		gpio-controller;
 		#interrupt-cells = <2>;
 		interrupt-controller;
+		gpio-ranges = <&pinmux 0 0 248>;
 	};
 
 	apbmisc@...00800 {
-- 
2.4.1

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