[PATCH v3 1/1] ARM:dts:aspeed: Initial device tree for AMD EthanolX

[Joel Stanley]

On Fri, 24 Jul 2020 at 19:28, Supreeth Venkatesh
<supreeth.venkatesh at amd.com> wrote:
>
> Initial introduction of AMD EthanolX platform equipped with an
> Aspeed ast2500 BMC manufactured by AMD.
>
> AMD EthanolX platform is an AMD customer reference board with an
> Aspeed ast2500 BMC manufactured by AMD.
> This adds AMD EthanolX device tree file including the flash layout
> used by EthanolX BMC machines.
>
> This also adds an entry of AMD EthanolX device tree file in Makefile.
>
> Signed-off-by: Supreeth Venkatesh <supreeth.venkatesh at amd.com>

Looks good! I've merged this to dt-for-5.9.

Cheers,

Joel

> ---
> Changes since v2:
> * Removed incorrect I2C0 and I2C1 Reg addresses
>
> Changes since v1:
> * Addressed review comment regarding SPDX License Identifier
> * Added I2c0 and I2c1 which cater to AMD's APML Interface
> ---
>  arch/arm/boot/dts/Makefile                    |   1 +
>  arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts | 219 ++++++++++++++++++
>  2 files changed, 220 insertions(+)
>  create mode 100644 arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index d6dfdf73e66b..55ed881d2ebc 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -1281,6 +1281,7 @@ dtb-$(CONFIG_ARCH_ZX) += zx296702-ad1.dtb
>  dtb-$(CONFIG_ARCH_ASPEED) += \
>         aspeed-ast2500-evb.dtb \
>         aspeed-ast2600-evb.dtb \
> +       aspeed-bmc-amd-ethanolx.dtb \
>         aspeed-bmc-arm-centriq2400-rep.dtb \
>         aspeed-bmc-arm-stardragon4800-rep2.dtb \
>         aspeed-bmc-facebook-cmm.dtb \
> 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..60ba86f3e5bc
> --- /dev/null
> +++ b/arch/arm/boot/dts/aspeed-bmc-amd-ethanolx.dts
> @@ -0,0 +1,219 @@
> +// SPDX-License-Identifier: GPL-2.0
> +// Copyright (c) 2020 AMD Inc.
> +// Author: Supreeth Venkatesh <supreeth.venkatesh at 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 at 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 at 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>;
> +};
> +
> +//APML for P0
> +&i2c0 {
> +       status = "okay";
> +};
> +
> +//APML for P1
> +&i2c1 {
> +       status = "okay";
> +};
> +
> +// Thermal Sensors
> +&i2c7 {
> +       status = "okay";
> +
> +       lm75a at 48 {
> +               compatible = "national,lm75a";
> +               reg = <0x48>;
> +       };
> +
> +       lm75a at 49 {
> +               compatible = "national,lm75a";
> +               reg = <0x49>;
> +       };
> +
> +       lm75a at 4a {
> +               compatible = "national,lm75a";
> +               reg = <0x4a>;
> +       };
> +
> +       lm75a at 4b {
> +               compatible = "national,lm75a";
> +               reg = <0x4b>;
> +       };
> +
> +       lm75a at 4c {
> +               compatible = "national,lm75a";
> +               reg = <0x4c>;
> +       };
> +
> +       lm75a at 4d {
> +               compatible = "national,lm75a";
> +               reg = <0x4d>;
> +       };
> +
> +       lm75a at 4e {
> +               compatible = "national,lm75a";
> +               reg = <0x4e>;
> +       };
> +
> +       lm75a at 4f {
> +               compatible = "national,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 at 0 {
> +               reg = <0x00>;
> +               aspeed,fan-tach-ch = /bits/ 8 <0x00>;
> +       };
> +
> +       fan at 1 {
> +               reg = <0x01>;
> +               aspeed,fan-tach-ch = /bits/ 8 <0x01>;
> +       };
> +
> +       fan at 2 {
> +               reg = <0x02>;
> +               aspeed,fan-tach-ch = /bits/ 8 <0x02>;
> +       };
> +
> +       fan at 3 {
> +               reg = <0x03>;
> +               aspeed,fan-tach-ch = /bits/ 8 <0x03>;
> +       };
> +
> +       fan at 4 {
> +               reg = <0x04>;
> +               aspeed,fan-tach-ch = /bits/ 8 <0x04>;
> +       };
> +
> +       fan at 5 {
> +               reg = <0x05>;
> +               aspeed,fan-tach-ch = /bits/ 8 <0x05>;
> +       };
> +
> +       fan at 6 {
> +               reg = <0x06>;
> +               aspeed,fan-tach-ch = /bits/ 8 <0x06>;
> +       };
> +
> +       fan at 7 {
> +               reg = <0x07>;
> +               aspeed,fan-tach-ch = /bits/ 8 <0x07>;
> +       };
> +};
> +
> +
> +
> --
> 2.17.1
>