linux-kernel - [PATCH 4/4] ARM: dts: keystone-k2g-evm: Add gpio nodes

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Date:   Tue, 18 Jul 2017 16:27:16 +0530
From:   Keerthy <j-keerthy@...com>
To:     <linus.walleij@...aro.org>, <ssantosh@...nel.org>
CC:     <robh+dt@...nel.org>, <nsekhar@...com>, <s-anna@...com>,
        <fcooper@...com>, <linux-gpio@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <j-keerthy@...com>
Subject: [PATCH 4/4] ARM: dts: keystone-k2g-evm: Add gpio nodes

keystone-k2g has 2 instances of gpio. The first one has all the 144 GPIOs
functional( 9 banks with 16 gpios = 144). The second instance has
only the GPIO0:GPIO67 functional and rest are marked reserved.

Signed-off-by: Keerthy <j-keerthy@...com>
---
 arch/arm/boot/dts/keystone-k2g.dtsi | 42 +++++++++++++++++++++++++++++++++++++
 1 file changed, 42 insertions(+)

diff --git a/arch/arm/boot/dts/keystone-k2g.dtsi b/arch/arm/boot/dts/keystone-k2g.dtsi
index bf4d1fa..58ac3db 100644
--- a/arch/arm/boot/dts/keystone-k2g.dtsi
+++ b/arch/arm/boot/dts/keystone-k2g.dtsi
@@ -15,6 +15,7 @@
 
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/pinctrl/keystone.h>
+#include <dt-bindings/gpio/gpio.h>
 
 / {
 	compatible = "ti,k2g","ti,keystone";
@@ -168,5 +169,46 @@
 				#reset-cells = <2>;
 			};
 		};
+
+		gpio0: gpio@...3000 {
+			compatible = "ti,keystone-k2g-gpio";
+			reg = <0x02603000 0x100>;
+			gpio-controller;
+			#gpio-cells = <2>;
+
+			interrupts = <GIC_SPI 432 IRQ_TYPE_EDGE_RISING>,
+					<GIC_SPI 433 IRQ_TYPE_EDGE_RISING>,
+					<GIC_SPI 434 IRQ_TYPE_EDGE_RISING>,
+					<GIC_SPI 435 IRQ_TYPE_EDGE_RISING>,
+					<GIC_SPI 436 IRQ_TYPE_EDGE_RISING>,
+					<GIC_SPI 437 IRQ_TYPE_EDGE_RISING>,
+					<GIC_SPI 438 IRQ_TYPE_EDGE_RISING>,
+					<GIC_SPI 439 IRQ_TYPE_EDGE_RISING>,
+					<GIC_SPI 440 IRQ_TYPE_EDGE_RISING>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+			ti,ngpio = <144>;
+			ti,davinci-gpio-unbanked = <0>;
+			clocks = <&k2g_clks 0x001b 0x0>;
+			clock-names = "gpio";
+		};
+
+		gpio1: gpio@...a000 {
+			compatible = "ti,keystone-k2g-gpio";
+			reg = <0x0260a000 0x100>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			interrupts = <GIC_SPI 442 IRQ_TYPE_EDGE_RISING>,
+					<GIC_SPI 443 IRQ_TYPE_EDGE_RISING>,
+					<GIC_SPI 444 IRQ_TYPE_EDGE_RISING>,
+					<GIC_SPI 445 IRQ_TYPE_EDGE_RISING>,
+					<GIC_SPI 446 IRQ_TYPE_EDGE_RISING>;
+			interrupt-controller;
+			#interrupt-cells = <2>;
+			ti,ngpio = <68>;
+			ti,davinci-gpio-unbanked = <0>;
+			clocks = <&k2g_clks 0x001c 0x0>;
+			clock-names = "gpio";
+		};
 	};
 };
-- 
1.9.1