[PATCH v3 05/10] ARM: dts: aspeed: peci: Add PECI node

Jae Hyun Yoo jae.hyun.yoo at linux.intel.com
Wed Apr 11 04:32:07 AEST 2018


This commit adds PECI bus/adapter node of AST24xx/AST25xx into
aspeed-g4 and aspeed-g5.

Signed-off-by: Jae Hyun Yoo <jae.hyun.yoo at linux.intel.com>
Reviewed-by: Haiyue Wang <haiyue.wang at linux.intel.com>
Reviewed-by: James Feist <james.feist at linux.intel.com>
Reviewed-by: Vernon Mauery <vernon.mauery at linux.intel.com>
Cc: Alan Cox <alan at linux.intel.com>
Cc: Andrew Jeffery <andrew at aj.id.au>
Cc: Andrew Lunn <andrew at lunn.ch>
Cc: Andy Shevchenko <andriy.shevchenko at intel.com>
Cc: Arnd Bergmann <arnd at arndb.de>
Cc: Benjamin Herrenschmidt <benh at kernel.crashing.org>
Cc: Fengguang Wu <fengguang.wu at intel.com>
Cc: Greg KH <gregkh at linuxfoundation.org>
Cc: Guenter Roeck <linux at roeck-us.net>
Cc: Jason M Biils <jason.m.bills at linux.intel.com>
Cc: Jean Delvare <jdelvare at suse.com>
Cc: Joel Stanley <joel at jms.id.au>
Cc: Julia Cartwright <juliac at eso.teric.us>
Cc: Miguel Ojeda <miguel.ojeda.sandonis at gmail.com>
Cc: Milton Miller II <miltonm at us.ibm.com>
Cc: Pavel Machek <pavel at ucw.cz>
Cc: Randy Dunlap <rdunlap at infradead.org>
Cc: Stef van Os <stef.van.os at prodrive-technologies.com>
Cc: Sumeet R Pawnikar <sumeet.r.pawnikar at intel.com>
---
 arch/arm/boot/dts/aspeed-g4.dtsi | 25 +++++++++++++++++++++++++
 arch/arm/boot/dts/aspeed-g5.dtsi | 25 +++++++++++++++++++++++++
 2 files changed, 50 insertions(+)

diff --git a/arch/arm/boot/dts/aspeed-g4.dtsi b/arch/arm/boot/dts/aspeed-g4.dtsi
index 518d2bc7c7fc..f7992eee4d1f 100644
--- a/arch/arm/boot/dts/aspeed-g4.dtsi
+++ b/arch/arm/boot/dts/aspeed-g4.dtsi
@@ -29,6 +29,7 @@
 		serial3 = &uart4;
 		serial4 = &uart5;
 		serial5 = &vuart;
+		peci0 = &peci0;
 	};
 
 	cpus {
@@ -270,6 +271,13 @@
 				};
 			};
 
+			peci: peci at 1e78b000 {
+				compatible = "simple-bus";
+				#address-cells = <1>;
+				#size-cells = <1>;
+				ranges = <0x0 0x1e78b000 0x60>;
+			};
+
 			uart2: serial at 1e78d000 {
 				compatible = "ns16550a";
 				reg = <0x1e78d000 0x20>;
@@ -313,6 +321,23 @@
 	};
 };
 
+&peci {
+	peci0: peci-bus at 0 {
+		compatible = "aspeed,ast2400-peci";
+		reg = <0x0 0x60>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		interrupts = <15>;
+		clocks = <&syscon ASPEED_CLK_GATE_REFCLK>;
+		clock-frequency = <24000000>;
+		msg-timing-nego = <1>;
+		addr-timing-nego = <1>;
+		rd-sampling-point = <8>;
+		cmd-timeout-ms = <1000>;
+		status = "disabled";
+	};
+};
+
 &i2c {
 	i2c_ic: interrupt-controller at 0 {
 		#interrupt-cells = <1>;
diff --git a/arch/arm/boot/dts/aspeed-g5.dtsi b/arch/arm/boot/dts/aspeed-g5.dtsi
index f9917717dd08..278791dba8a0 100644
--- a/arch/arm/boot/dts/aspeed-g5.dtsi
+++ b/arch/arm/boot/dts/aspeed-g5.dtsi
@@ -29,6 +29,7 @@
 		serial3 = &uart4;
 		serial4 = &uart5;
 		serial5 = &vuart;
+		peci0 = &peci0;
 	};
 
 	cpus {
@@ -320,6 +321,13 @@
 				};
 			};
 
+			peci: peci at 1e78b000 {
+				compatible = "simple-bus";
+				#address-cells = <1>;
+				#size-cells = <1>;
+				ranges = <0x0 0x1e78b000 0x60>;
+			};
+
 			uart2: serial at 1e78d000 {
 				compatible = "ns16550a";
 				reg = <0x1e78d000 0x20>;
@@ -363,6 +371,23 @@
 	};
 };
 
+&peci {
+	peci0: peci-bus at 0 {
+		compatible = "aspeed,ast2500-peci";
+		reg = <0x0 0x60>;
+		#address-cells = <1>;
+		#size-cells = <0>;
+		interrupts = <15>;
+		clocks = <&syscon ASPEED_CLK_GATE_REFCLK>;
+		clock-frequency = <24000000>;
+		msg-timing-nego = <1>;
+		addr-timing-nego = <1>;
+		rd-sampling-point = <8>;
+		cmd-timeout-ms = <1000>;
+		status = "disabled";
+	};
+};
+
 &i2c {
 	i2c_ic: interrupt-controller at 0 {
 		#interrupt-cells = <1>;
-- 
2.16.2



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