ARM: dts: aspeed: Add HXT StarDragon 4800 REP2 BMC

The HXT StarDragon 4800 REP2 (Reference Evaluation Platform) is
an aarch64 ARMv8 server platform with an ast2520 BMC.

Signed-off-by: Yuan Yao <yao.yuan@linaro.org>
Signed-off-by: Joel Stanley <joel@jms.id.au>

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index b5bd3de..a1b8816 100644 (file)
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1199,6 +1199,7 @@ dtb-$(CONFIG_ARCH_ZX) += zx296702-ad1.dtb
 dtb-$(CONFIG_ARCH_ASPEED) += \
        aspeed-ast2500-evb.dtb \
        aspeed-bmc-arm-centriq2400-rep.dtb \
+       aspeed-bmc-arm-stardragon4800-rep2.dtb \
        aspeed-bmc-intel-s2600wf.dtb \
        aspeed-bmc-opp-lanyang.dtb \
        aspeed-bmc-opp-palmetto.dtb \

diff --git a/arch/arm/boot/dts/aspeed-bmc-arm-stardragon4800-rep2.dts b/arch/arm/boot/dts/aspeed-bmc-arm-stardragon4800-rep2.dts
new file mode 100644 (file)
index 0000000..bdfd8c9
--- /dev/null
+++ b/arch/arm/boot/dts/aspeed-bmc-arm-stardragon4800-rep2.dts
@@ -0,0 +1,207 @@
+// SPDX-License-Identifier: GPL-2.0+
+/dts-v1/;
+
+#include "aspeed-g5.dtsi"
+#include <dt-bindings/gpio/aspeed-gpio.h>
+
+/ {
+       model = "HXT StarDragon 4800 REP2 AST2520";
+       compatible = "hxt,stardragon4800-rep2-bmc", "aspeed,ast2500";
+
+       chosen {
+               stdout-path = &uart5;
+               bootargs = "console=ttyS4,115200 earlyprintk";
+       };
+
+       memory@80000000 {
+               reg = <0x80000000 0x40000000>;
+       };
+
+       iio-hwmon {
+               compatible = "iio-hwmon";
+               io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 3>,
+                                               <&adc 4>, <&adc 5>, <&adc 6>, <&adc 8>;
+       };
+
+       iio-hwmon-battery {
+               compatible = "iio-hwmon";
+               io-channels = <&adc 7>;
+       };
+
+       leds {
+               compatible = "gpio-leds";
+
+               system_fault1 {
+                       label = "System_fault1";
+                       gpios = <&gpio ASPEED_GPIO(I, 3) GPIO_ACTIVE_LOW>;
+               };
+
+               system_fault2 {
+                       label = "System_fault2";
+                       gpios = <&gpio ASPEED_GPIO(I, 2) GPIO_ACTIVE_LOW>;
+               };
+       };
+};
+
+&fmc {
+       status = "okay";
+       flash@0 {
+               status = "okay";
+               m25p,fast-read;
+               label = "bmc";
+#include "openbmc-flash-layout.dtsi"
+       };
+};
+
+&spi1 {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_spi1_default>;
+       flash@0 {
+               status = "okay";
+       };
+};
+
+&spi2 {
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_spi2ck_default
+                       &pinctrl_spi2miso_default
+                       &pinctrl_spi2mosi_default
+                       &pinctrl_spi2cs0_default>;
+};
+
+&uart3 {
+       status = "okay";
+
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_txd3_default &pinctrl_rxd3_default>;
+       current-speed = <115200>;
+};
+
+&uart5 {
+       status = "okay";
+};
+
+&mac0 {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_rgmii1_default &pinctrl_mdio1_default>;
+};
+
+&mac1 {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_rmii2_default>;
+       use-ncsi;
+};
+
+&i2c0 {
+       status = "okay";
+};
+
+&i2c1 {
+       status = "okay";
+
+       tmp421@1e {
+               compatible = "ti,tmp421";
+               reg = <0x1e>;
+       };
+       tmp421@2a {
+               compatible = "ti,tmp421";
+               reg = <0x2a>;
+       };
+       tmp421@1c {
+               compatible = "ti,tmp421";
+               reg = <0x1c>;
+       };
+};
+
+&i2c2 {
+       status = "okay";
+};
+
+&i2c3 {
+       status = "okay";
+};
+
+&i2c4 {
+       status = "okay";
+};
+
+&i2c5 {
+       status = "okay";
+};
+
+&i2c6 {
+       status = "okay";
+
+       tmp421@1f {
+               compatible = "ti,tmp421";
+               reg = <0x1f>;
+       };
+       nvt210@4c {
+               compatible = "nvt210";
+               reg = <0x4c>;
+       };
+       eeprom@50 {
+               compatible = "atmel,24c128";
+               reg = <0x50>;
+               pagesize = <128>;
+       };
+};
+
+&i2c7 {
+       status = "okay";
+};
+
+&i2c8 {
+       status = "okay";
+
+       pca9641@70 {
+               compatible = "nxp,pca9641";
+               reg = <0x70>;
+               i2c-arb {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       eeprom@50 {
+                               compatible = "atmel,24c02";
+                               reg = <0x50>;
+                       };
+                       dps650ab@58 {
+                               compatible = "dps650ab";
+                               reg = <0x58>;
+                       };
+               };
+       };
+};
+
+&i2c9 {
+       status = "okay";
+};
+
+&vuart {
+       status = "okay";
+};
+
+&gfx {
+       status = "okay";
+};
+
+&pinctrl {
+       aspeed,external-nodes = <&gfx &lhc>;
+};
+
+&gpio {
+       pin_gpio_c7 {
+               gpio-hog;
+               gpios = <ASPEED_GPIO(C, 7) GPIO_ACTIVE_HIGH>;
+               output-low;
+               line-name = "BIOS_SPI_MUX_S";
+       };
+       pin_gpio_d1 {
+               gpio-hog;
+               gpios = <ASPEED_GPIO(D, 1) GPIO_ACTIVE_HIGH>;
+               output-high;
+               line-name = "PHY2_RESET_N";
+       };
+};