linux-kernel - [PATCH v4 4/4] ARM: dts: aspeed: Add eSPI node

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Date:   Wed, 1 Sep 2021 11:30:15 +0800
From:   Chia-Wei Wang <chiawei_wang@...eedtech.com>
To:     <robh+dt@...nel.org>, <joel@....id.au>, <andrew@...id.au>,
        <linux-aspeed@...ts.ozlabs.org>, <openbmc@...ts.ozlabs.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
CC:     <ryan_chen@...eedtech.com>
Subject: [PATCH v4 4/4] ARM: dts: aspeed: Add eSPI node

Add eSPI to the device tree for Aspeed 5/6th generation SoCs.

Signed-off-by: Chia-Wei Wang <chiawei_wang@...eedtech.com>
---
 arch/arm/boot/dts/aspeed-g6.dtsi | 17 +++++++++++++++++
 1 file changed, 17 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed-g6.dtsi
index f96607b7b4e2..47dc0b3993d1 100644
--- a/arch/arm/boot/dts/aspeed-g6.dtsi
+++ b/arch/arm/boot/dts/aspeed-g6.dtsi
@@ -364,6 +364,23 @@
 				status = "disabled";
 			};
 
+			espi: espi@...ee000 {
+				compatible = "aspeed,ast2600-espi", "simple-mfd", "syscon";
+				reg = <0x1e6ee000 0x1000>;
+
+				#address-cells = <1>;
+				#size-cells = <1>;
+				ranges = <0x0 0x1e6ee000 0x1000>;
+
+				espi_ctrl: espi-ctrl@0 {
+					compatible = "aspeed,ast2600-espi-ctrl";
+					reg = <0x0 0x800>;
+					interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>;
+					clocks = <&syscon ASPEED_CLK_GATE_ESPICLK>;
+					status = "disabled";
+				};
+			};
+
 			gpio0: gpio@...80000 {
 				#gpio-cells = <2>;
 				gpio-controller;
-- 
2.17.1