linux-kernel - [PATCH v4 04/10] arm64: dts: sparx5: Add pinctrl support

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Message-ID: <20200727084211.6632-5-lars.povlsen@microchip.com>
Date:   Mon, 27 Jul 2020 10:42:05 +0200
From:   Lars Povlsen <lars.povlsen@...rochip.com>
To:     SoC Team <soc@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        Stephen Boyd <sboyd@...nel.org>,
        Linus Walleij <linus.walleij@...aro.org>
CC:     Lars Povlsen <lars.povlsen@...rochip.com>,
        Steen Hegelund <Steen.Hegelund@...rochip.com>,
        Microchip Linux Driver Support <UNGLinuxDriver@...rochip.com>,
        Olof Johansson <olof@...om.net>,
        "Michael Turquette" <mturquette@...libre.com>,
        <devicetree@...r.kernel.org>, <linux-clk@...r.kernel.org>,
        <linux-gpio@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Subject: [PATCH v4 04/10] arm64: dts: sparx5: Add pinctrl support

This add pinctrl support to the Microchip Sparx5 SoC.

Signed-off-by: Lars Povlsen <lars.povlsen@...rochip.com>
---
 arch/arm64/boot/dts/microchip/sparx5.dtsi     | 26 +++++++++++++++++++
 .../dts/microchip/sparx5_pcb134_board.dtsi    |  5 ++++
 .../dts/microchip/sparx5_pcb135_board.dtsi    |  5 ++++
 3 files changed, 36 insertions(+)

diff --git a/arch/arm64/boot/dts/microchip/sparx5.dtsi b/arch/arm64/boot/dts/microchip/sparx5.dtsi
index 4a54b7d039167..baf4176ce1dfe 100644
--- a/arch/arm64/boot/dts/microchip/sparx5.dtsi
+++ b/arch/arm64/boot/dts/microchip/sparx5.dtsi
@@ -109,6 +109,8 @@ gic: interrupt-controller@...300000 {
 		};
 
 		uart0: serial@...100000 {
+			pinctrl-0 = <&uart_pins>;
+			pinctrl-names = "default";
 			compatible = "ns16550a";
 			reg = <0x6 0x00100000 0x20>;
 			clocks = <&ahb_clk>;
@@ -120,6 +122,8 @@ uart0: serial@...100000 {
 		};
 
 		uart1: serial@...102000 {
+			pinctrl-0 = <&uart2_pins>;
+			pinctrl-names = "default";
 			compatible = "ns16550a";
 			reg = <0x6 0x00102000 0x20>;
 			clocks = <&ahb_clk>;
@@ -138,5 +142,27 @@ timer1: timer@...105000 {
 			interrupts = <GIC_SPI 6 IRQ_TYPE_LEVEL_HIGH>;
 		};
 
+		gpio: pinctrl@...0101e0 {
+			compatible = "microchip,sparx5-pinctrl";
+			reg = <0x6 0x110101e0 0x90>, <0x6 0x10508010 0x100>;
+			gpio-controller;
+			#gpio-cells = <2>;
+			gpio-ranges = <&gpio 0 0 64>;
+			interrupt-controller;
+			interrupts = <GIC_SPI 20 IRQ_TYPE_LEVEL_HIGH>;
+			#interrupt-cells = <2>;
+
+			uart_pins: uart-pins {
+				pins = "GPIO_10", "GPIO_11";
+				function = "uart";
+			};
+
+			uart2_pins: uart2-pins {
+				pins = "GPIO_26", "GPIO_27";
+				function = "uart2";
+			};
+
+		};
+
 	};
 };
diff --git a/arch/arm64/boot/dts/microchip/sparx5_pcb134_board.dtsi b/arch/arm64/boot/dts/microchip/sparx5_pcb134_board.dtsi
index 005cf6babb9b3..9b2aec400101b 100644
--- a/arch/arm64/boot/dts/microchip/sparx5_pcb134_board.dtsi
+++ b/arch/arm64/boot/dts/microchip/sparx5_pcb134_board.dtsi
@@ -7,4 +7,9 @@
 #include "sparx5_pcb_common.dtsi"
 
 /{
+	gpio-restart {
+		compatible = "gpio-restart";
+		gpios = <&gpio 37 GPIO_ACTIVE_LOW>;
+		priority = <200>;
+	};
 };
diff --git a/arch/arm64/boot/dts/microchip/sparx5_pcb135_board.dtsi b/arch/arm64/boot/dts/microchip/sparx5_pcb135_board.dtsi
index 005cf6babb9b3..9b2aec400101b 100644
--- a/arch/arm64/boot/dts/microchip/sparx5_pcb135_board.dtsi
+++ b/arch/arm64/boot/dts/microchip/sparx5_pcb135_board.dtsi
@@ -7,4 +7,9 @@
 #include "sparx5_pcb_common.dtsi"
 
 /{
+	gpio-restart {
+		compatible = "gpio-restart";
+		gpios = <&gpio 37 GPIO_ACTIVE_LOW>;
+		priority = <200>;
+	};
 };
-- 
2.27.0