linux-kernel - [PATCH v2 3/4] ARM: dts: aspeed: Add eSPI node

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Message-Id: <20240319093405.39833-4-manojkiran.eda@gmail.com>
Date: Tue, 19 Mar 2024 15:04:04 +0530
From: Manojkiran Eda <manojkiran.eda@...il.com>
To: patrick.rudolph@...ements.com,
	chiawei_wang@...eedtech.com,
	ryan_chen@...eedtech.com,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-aspeed@...ts.ozlabs.org,
	linux-kernel@...r.kernel.org,
	linux-mtd@...ts.infradead.org
Cc: robh+dt@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org,
	joel@....id.au,
	andrew@...econstruct.com.au,
	miquel.raynal@...tlin.com,
	richard@....at,
	vigneshr@...com,
	manojkiran.eda@...il.com,
	jk@...econstruct.com.au,
	openbmc@...ts.ozlabs.org
Subject: [PATCH v2 3/4] ARM: dts: aspeed: Add eSPI node

This commit adds eSPI to the device tree for aspeed 5/6th
generation SoCs.

Signed-off-by: Manojkiran Eda <manojkiran.eda@...il.com>
---
 arch/arm/boot/dts/aspeed/aspeed-g5.dtsi | 19 +++++++++++++++++++
 arch/arm/boot/dts/aspeed/aspeed-g6.dtsi | 20 ++++++++++++++++++++
 2 files changed, 39 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed/aspeed-g5.dtsi b/arch/arm/boot/dts/aspeed/aspeed-g5.dtsi
index 04f98d1dbb97..eaf7d82b6f46 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-g5.dtsi
+++ b/arch/arm/boot/dts/aspeed/aspeed-g5.dtsi
@@ -343,6 +343,25 @@ sdhci1: sdhci@200 {
 					status = "disabled";
 				};
 			};
+			espi: espi@...ee000 {
+				compatible = "aspeed,ast2500-espi", "simple-mfd", "syscon";
+				reg = <0x1e6ee000 0x1000>;
+
+				#address-cells = <1>;
+				#size-cells = <1>;
+				ranges = <0x0 0x1e6ee000 0x1000>;
+
+				espi_ctrl: espi-ctrl@0 {
+					compatible = "aspeed,ast2500-espi-ctrl";
+					reg = <0x0 0x800>,<0x0 0x4000000>;
+					reg-names = "espi_ctrl","espi_flash";
+					interrupts = <23>;
+					clocks = <&syscon ASPEED_CLK_GATE_ESPICLK>;
+					status = "disabled";
+					pinctrl-names = "default";
+					pinctrl-0 = <&pinctrl_espi_default>;
+				};
+			};
 
 			gpio: gpio@...80000 {
 				#gpio-cells = <2>;
diff --git a/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi b/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi
index c4d1faade8be..094e14442101 100644
--- a/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi
+++ b/arch/arm/boot/dts/aspeed/aspeed-g6.dtsi
@@ -454,6 +454,26 @@ video: video@...00000 {
 				status = "disabled";
 			};
 
+			espi: espi@...ee000 {
+				compatible = "aspeed,ast2500-espi", "simple-mfd", "syscon";
+				reg = <0x1e6ee000 0x1000>;
+
+				#address-cells = <1>;
+				#size-cells = <1>;
+				ranges = <0x0 0x1e6ee000 0x1000>;
+
+				espi_ctrl: espi-ctrl@0 {
+					compatible = "aspeed,ast2500-espi-ctrl";
+					reg = <0x0 0x800>,<0x0 0x4000000>;
+					reg-names = "espi_ctrl","espi_flash";
+					interrupts = <23>;
+					clocks = <&syscon ASPEED_CLK_GATE_ESPICLK>;
+					status = "disabled";
+					pinctrl-names = "default";
+					pinctrl-0 = <&pinctrl_espi_default>;
+				};
+			};
+
 			gpio0: gpio@...80000 {
 				#gpio-cells = <2>;
 				gpio-controller;
-- 
2.40.1