meta-amd: Add Linux kernel recipe for EthanolX.
This patch provides initial device tree for AMD EthanolX platform.
It describes I2c devices, Fans, Kcs devices, Uarts, Mac, LEDs, etc.
Also, this patch adds LM75 Sensor configuration to Linux Kernel.
Change-Id: Iffcde501c418e60c7bce171b9b427586922415d4
Signed-off-by: Supreeth Venkatesh <supreeth.venkatesh@amd.com>
diff --git a/meta-ethanolx/recipes-kernel/linux/linux-aspeed/0001-linux-aspeed-dts-Initial-device-tree-for-AMD-Ethanol.patch b/meta-ethanolx/recipes-kernel/linux/linux-aspeed/0001-linux-aspeed-dts-Initial-device-tree-for-AMD-Ethanol.patch
new file mode 100644
index 0000000..6af83d2
--- /dev/null
+++ b/meta-ethanolx/recipes-kernel/linux/linux-aspeed/0001-linux-aspeed-dts-Initial-device-tree-for-AMD-Ethanol.patch
@@ -0,0 +1,328 @@
+From 3edccfb5c904041b784618ae5451ffea03d15acb Mon Sep 17 00:00:00 2001
+From: Supreeth Venkatesh <supreeth.venkatesh@amd.com>
+Date: Wed, 27 May 2020 14:45:32 -0500
+Subject: [PATCH] linux-aspeed/dts: Initial device tree for AMD EthanolX
+
+This patch provides initial device tree for AMD EthanolX platform.
+It describes I2c devices, Fans, Kcs devices, Uarts, Mac, LEDs, etc.
+
+Signed-off-by: Supreeth Venkatesh <supreeth.venkatesh@amd.com>
+---
+ arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts | 305 ++++++++++++++++++
+ 1 file changed, 305 insertions(+)
+ create mode 100644 arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts
+
+diff --git a/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts b/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts
+new file mode 100644
+index 000000000000..d97bf9b9de96
+--- /dev/null
++++ b/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts
+@@ -0,0 +1,305 @@
++// SPDX-License-Identifier: Apache v2
++// Copyright (c) 2020 AMD Inc.
++// Author: Supreeth Venkatesh <supreeth.venkatesh@amd.com>
++/dts-v1/;
++
++#include "aspeed-g5.dtsi"
++#include <dt-bindings/gpio/aspeed-gpio.h>
++
++/ {
++ model = "AMD EthanolX BMC";
++ compatible = "amd,ethanolx-bmc", "aspeed,ast2500";
++
++ memory@80000000 {
++ reg = <0x80000000 0x20000000>;
++ };
++ aliases {
++ serial0 = &uart1;
++ serial4 = &uart5;
++ };
++ chosen {
++ stdout-path = &uart5;
++ bootargs = "console=ttyS4,115200 earlyprintk";
++ };
++ leds {
++ compatible = "gpio-leds";
++
++ fault {
++ gpios = <&gpio ASPEED_GPIO(A, 2) GPIO_ACTIVE_LOW>;
++ };
++
++ identify {
++ gpios = <&gpio ASPEED_GPIO(A, 3) GPIO_ACTIVE_LOW>;
++ };
++ };
++ iio-hwmon {
++ compatible = "iio-hwmon";
++ io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 3>, <&adc 4>;
++ };
++};
++
++&fmc {
++ status = "okay";
++ flash@0 {
++ status = "okay";
++ m25p,fast-read;
++ #include "openbmc-flash-layout.dtsi"
++ };
++};
++
++
++&mac0 {
++ status = "okay";
++
++ pinctrl-names = "default";
++ pinctrl-0 = <&pinctrl_rmii1_default>;
++ clocks = <&syscon ASPEED_CLK_GATE_MAC1CLK>,
++ <&syscon ASPEED_CLK_MAC1RCLK>;
++ clock-names = "MACCLK", "RCLK";
++};
++
++&uart1 {
++ //Host Console
++ status = "okay";
++ pinctrl-names = "default";
++ pinctrl-0 = <&pinctrl_txd1_default
++ &pinctrl_rxd1_default>;
++};
++
++&uart5 {
++ //BMC Console
++ status = "okay";
++};
++
++&adc {
++ status = "okay";
++
++ pinctrl-names = "default";
++ pinctrl-0 = <&pinctrl_adc0_default
++ &pinctrl_adc1_default
++ &pinctrl_adc2_default
++ &pinctrl_adc3_default
++ &pinctrl_adc4_default>;
++};
++
++&i2c {
++ //APML for P0
++ i2c1: i2c-bus@80 {
++ reg = <0x80 0x40>;
++ status = "okay";
++ };
++
++ //APML for P1
++ i2c2: i2c-bus@c0 {
++ reg = <0xc0 0x40>;
++ status = "okay";
++ };
++
++ //FPGA Side band
++ i2c3: i2c-bus@100 {
++ reg = <0x100 0x40>;
++ status = "okay";
++ };
++
++ //BMC serial EEPROM
++ i2c4: i2c-bus@140 {
++ reg = <0x140 0x40>;
++ status = "okay";
++ };
++
++ //P0 Voltage Regulators
++ i2c5: i2c-bus@180 {
++ reg = <0x180 0x40>;
++ status = "okay";
++
++ isl69147@61 {
++ compatible = "renesas,isl69147";
++ reg = <0x61>;
++ };
++
++ isl69144@63 {
++ compatible = "renesas,isl69144";
++ reg = <0x63>;
++ };
++
++ isl68127@64 {
++ compatible = "renesas,isl68127";
++ reg = <0x64>;
++ };
++
++ isl68127@65 {
++ compatible = "renesas,isl68127";
++ reg = <0x65>;
++ };
++ };
++
++ //P1 Voltage Regulators
++ i2c6: i2c-bus@1c0 {
++ reg = <0x1c0 0x40>;
++ status = "okay";
++
++ isl69147@61 {
++ compatible = "renesas,isl69147";
++ reg = <0x61>;
++ };
++
++ isl69144@63 {
++ compatible = "renesas,isl69144";
++ reg = <0x63>;
++ };
++
++ isl68127@64 {
++ compatible = "renesas,isl68127";
++ reg = <0x64>;
++ };
++
++ isl68127@65 {
++ compatible = "renesas,isl68127";
++ reg = <0x65>;
++ };
++ };
++
++ //Backplane and NVMe
++ i2c7: i2c-bus@300 {
++ reg = <0x300 0x40>;
++ status = "okay";
++
++ mg9098@60 {
++ compatible = "ami,mg9098";
++ reg = <0x60>;
++ };
++
++ pca9545apw@70 {
++ compatible = "ti,pca9545apw";
++ reg = <0x70>;
++ //Todo: Map P1_NVME0_SMBUS...P1_NVME3_SMBUS
++ };
++ };
++
++ // Thermal Sensors
++ i2c8: i2c-bus@340 {
++ reg = <0x340 0x40>;
++ status = "okay";
++
++ lm75a@48 {
++ compatible = "ti,lm75a";
++ reg = <0x48>;
++ };
++
++ lm75a@49 {
++ compatible = "ti,lm75a";
++ reg = <0x49>;
++ };
++
++ lm75a@4a {
++ compatible = "ti,lm75a";
++ reg = <0x4a>;
++ };
++
++ lm75a@4b {
++ compatible = "ti,lm75a";
++ reg = <0x4b>;
++ };
++
++ lm75a@4c {
++ compatible = "ti,lm75a";
++ reg = <0x4c>;
++ };
++
++ lm75a@4d {
++ compatible = "ti,lm75a";
++ reg = <0x4d>;
++ };
++
++ lm75a@4e {
++ compatible = "ti,lm75a";
++ reg = <0x4e>;
++ };
++
++ lm75a@4f {
++ compatible = "ti,lm75a";
++ reg = <0x4f>;
++ };
++ };
++};
++
++&kcs1 {
++ status = "okay";
++ kcs_addr = <0x60>;
++};
++
++&kcs2 {
++ status = "okay";
++ kcs_addr = <0x62>;
++};
++
++&kcs4 {
++ status = "okay";
++ kcs_addr = <0x97DE>;
++};
++
++&lpc_snoop {
++ status = "okay";
++ snoop-ports = <0x80>;
++};
++
++&lpc_ctrl {
++ //Enable lpc clock
++ status = "okay";
++};
++
++&pwm_tacho {
++ status = "okay";
++ pinctrl-names = "default";
++ pinctrl-0 = <&pinctrl_pwm0_default
++ &pinctrl_pwm1_default
++ &pinctrl_pwm2_default
++ &pinctrl_pwm3_default
++ &pinctrl_pwm4_default
++ &pinctrl_pwm5_default
++ &pinctrl_pwm6_default
++ &pinctrl_pwm7_default>;
++
++ fan@0 {
++ reg = <0x00>;
++ aspeed,fan-tach-ch = /bits/ 8 <0x00>;
++ };
++
++ fan@1 {
++ reg = <0x01>;
++ aspeed,fan-tach-ch = /bits/ 8 <0x01>;
++ };
++
++ fan@2 {
++ reg = <0x02>;
++ aspeed,fan-tach-ch = /bits/ 8 <0x02>;
++ };
++
++ fan@3 {
++ reg = <0x03>;
++ aspeed,fan-tach-ch = /bits/ 8 <0x03>;
++ };
++
++ fan@4 {
++ reg = <0x04>;
++ aspeed,fan-tach-ch = /bits/ 8 <0x04>;
++ };
++
++ fan@5 {
++ reg = <0x05>;
++ aspeed,fan-tach-ch = /bits/ 8 <0x05>;
++ };
++
++ fan@6 {
++ reg = <0x06>;
++ aspeed,fan-tach-ch = /bits/ 8 <0x06>;
++ };
++
++ fan@7 {
++ reg = <0x07>;
++ aspeed,fan-tach-ch = /bits/ 8 <0x07>;
++ };
++};
++
++
++
+--
+2.17.1
+
diff --git a/meta-ethanolx/recipes-kernel/linux/linux-aspeed/ethanolx.cfg b/meta-ethanolx/recipes-kernel/linux/linux-aspeed/ethanolx.cfg
new file mode 100644
index 0000000..c859279
--- /dev/null
+++ b/meta-ethanolx/recipes-kernel/linux/linux-aspeed/ethanolx.cfg
@@ -0,0 +1 @@
+CONFIG_SENSORS_LM75=y
diff --git a/meta-ethanolx/recipes-kernel/linux/linux-aspeed_%.bbappend b/meta-ethanolx/recipes-kernel/linux/linux-aspeed_%.bbappend
new file mode 100644
index 0000000..2521ec8
--- /dev/null
+++ b/meta-ethanolx/recipes-kernel/linux/linux-aspeed_%.bbappend
@@ -0,0 +1,3 @@
+FILESEXTRAPATHS_prepend := "${THISDIR}/linux-aspeed:"
+SRC_URI += "file://ethanolx.cfg \
+ file://0001-linux-aspeed-dts-Initial-device-tree-for-AMD-Ethanol.patch"