On Wed, 5 Jan 2022 at 23:10, Zev Weiss <zev@xxxxxxxxxxxxxxxxx> wrote:
>
> This is a half-width, single-socket Epyc server board with an AST2500
> BMC. This device tree is sufficient for basic OpenBMC functionality,
> but we'll need to add a few more devices (as driver support becomes
> available) before it's fully usable.
>
> Signed-off-by: Zev Weiss <zev@xxxxxxxxxxxxxxxxx>
Reviewed-by: Joel Stanley <joel@xxxxxxxxx>
Have you considered using the openbmc gpio naming scheme for the
gpio-line-names?
> ---
> arch/arm/boot/dts/Makefile | 1 +
> .../boot/dts/aspeed-bmc-asrock-romed8hm3.dts | 259 ++++++++++++++++++
> 2 files changed, 260 insertions(+)
> create mode 100644 arch/arm/boot/dts/aspeed-bmc-asrock-romed8hm3.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 0de64f237cd8..4008d2143b44 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -1481,6 +1481,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
> aspeed-bmc-arm-centriq2400-rep.dtb \
> aspeed-bmc-arm-stardragon4800-rep2.dtb \
> aspeed-bmc-asrock-e3c246d4i.dtb \
> + aspeed-bmc-asrock-romed8hm3.dtb \
> aspeed-bmc-bytedance-g220a.dtb \
> aspeed-bmc-facebook-cloudripper.dtb \
> aspeed-bmc-facebook-cmm.dtb \
> diff --git a/arch/arm/boot/dts/aspeed-bmc-asrock-romed8hm3.dts b/arch/arm/boot/dts/aspeed-bmc-asrock-romed8hm3.dts
> new file mode 100644
> index 000000000000..e71ccfd1df63
> --- /dev/null
> +++ b/arch/arm/boot/dts/aspeed-bmc-asrock-romed8hm3.dts
> @@ -0,0 +1,259 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/dts-v1/;
> +
> +#include "aspeed-g5.dtsi"
> +#include <dt-bindings/gpio/aspeed-gpio.h>
> +#include <dt-bindings/interrupt-controller/irq.h>
> +
> +/{
> + model = "ASRock ROMED8HM3 BMC v1.00";
> + compatible = "asrock,romed8hm3-bmc", "aspeed,ast2500";
> +
> + aliases {
> + serial4 = &uart5;
> + };
> +
> + chosen {
> + stdout-path = &uart5;
> + bootargs = "console=tty0 console=ttyS4,115200 earlycon";
> + };
> +
> + memory@80000000 {
> + reg = <0x80000000 0x20000000>;
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> +
> + heartbeat {
> + gpios = <&gpio ASPEED_GPIO(H, 6) GPIO_ACTIVE_LOW>;
> + linux,default-trigger = "timer";
> + };
> +
> + system-fault {
> + gpios = <&gpio ASPEED_GPIO(Z, 2) GPIO_ACTIVE_LOW>;
> + panic-indicator;
> + };
> + };
> +
> + iio-hwmon {
> + compatible = "iio-hwmon";
> + io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 3>,
> + <&adc 4>, <&adc 5>, <&adc 6>, <&adc 7>,
> + <&adc 8>, <&adc 9>, <&adc 10>, <&adc 11>,
> + <&adc 12>, <&adc 13>, <&adc 14>, <&adc 15>;
> + };
> +};
> +
> +&fmc {
> + status = "okay";
> + flash@0 {
> + status = "okay";
> + m25p,fast-read;
> + label = "bmc";
> + spi-max-frequency = <100000000>; /* 100 MHz */
> +#include "openbmc-flash-layout-64.dtsi"
> + };
> +};
> +
> +&uart5 {
> + status = "okay";
> +};
> +
> +&vuart {
> + status = "okay";
> + aspeed,lpc-io-reg = <0x2f8>;
> + aspeed,lpc-interrupts = <3 IRQ_TYPE_LEVEL_HIGH>;
> +};
> +
> +&mac0 {
> + status = "okay";
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_rgmii1_default &pinctrl_mdio1_default>;
> +};
> +
> +&i2c0 {
> + status = "okay";
> +
> + /* inlet temp sensor */
> + w83773g@4c {
> + compatible = "nuvoton,w83773g";
> + reg = <0x4c>;
> + };
> +};
> +
> +&i2c1 {
> + status = "okay";
> +};
> +
> +&i2c2 {
> + status = "okay";
> +
> + /* IPB temp sensor */
> + w83773g@4c {
> + compatible = "nuvoton,w83773g";
> + reg = <0x4c>;
> + };
> +
> + /* IPB PMIC */
> + lm25066@40 {
> + compatible = "lm25066";
> + reg = <0x40>;
> + };
> +
> + /* 12VSB PMIC */
> + lm25066@41 {
> + compatible = "lm25066";
> + reg = <0x41>;
> + };
> +};
> +
> +&i2c4 {
> + status = "okay";
> +};
> +
> +&i2c5 {
> + status = "okay";
> +};
> +
> +&i2c6 {
> + status = "okay";
> +};
> +
> +&i2c7 {
> + status = "okay";
> +
> + /* Baseboard FRU eeprom */
> + eeprom@50 {
> + compatible = "st,24c128", "atmel,24c128";
> + reg = <0x50>;
> + pagesize = <16>;
> + };
> +};
> +
> +&i2c8 {
> + status = "okay";
> +};
> +
> +&i2c9 {
> + status = "okay";
> +};
> +
> +&video {
> + status = "okay";
> +};
> +
> +&vhub {
> + status = "okay";
> +};
> +
> +&lpc_ctrl {
> + status = "okay";
> +};
> +
> +&lpc_snoop {
> + status = "okay";
> + snoop-ports = <0x80>;
> +};
> +
> +&kcs3 {
> + status = "okay";
> + aspeed,lpc-io-reg = <0xca2>;
> +};
> +
> +&pwm_tacho {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pwm3_default
> + &pinctrl_pwm4_default
> + &pinctrl_pwm5_default
> + &pinctrl_pwm6_default>;
> +
> + fan@3 {
> + reg = <0x03>;
> + aspeed,fan-tach-ch = /bits/ 8 <0x03 0x0b>;
> + };
> +
> + fan@4 {
> + reg = <0x04>;
> + aspeed,fan-tach-ch = /bits/ 8 <0x04 0x0c>;
> + };
> +
> + fan@5 {
> + reg = <0x05>;
> + aspeed,fan-tach-ch = /bits/ 8 <0x05 0x0d>;
> + };
> +
> + fan@6 {
> + reg = <0x06>;
> + aspeed,fan-tach-ch = /bits/ 8 <0x06 0x0e>;
> + };
> +};
> +
> +&gpio {
> + status = "okay";
> + gpio-line-names =
> + /* A */ "LOCATORLED_STATUS_N", "BMC_MAC2_INTB", "NMI_BTN_N", "BMC_NMI",
> + "", "", "", "",
> + /* B */ "DDR_MEM_TEMP", "", "", "", "", "", "", "",
> + /* C */ "", "", "", "", "PCIE_HP_SEL_N", "PCIE_SATA_SEL_N", "LOCATORBTN", "",
> + /* D */ "BMC_PSIN", "BMC_PSOUT", "BMC_RESETCON", "RESETCON",
> + "", "", "", "PSU_FAN_FAIL_N",
> + /* E */ "", "", "", "", "", "", "", "",
> + /* F */ "NIC_PWR_GOOD", "PRSNTB0", "PRSNTB1", "PRSNTB2",
> + "PRSNTB3", "", "3VSB_PCIE1_PG", "12V_PCIE1_PG",
> + /* G */ "HWM_BAT_EN", "CHASSIS_ID0", "CHASSIS_ID1", "CHASSIS_ID2",
> + "BMC_ALERT1_N_R", "BMC_ALERT2_N_R", "BMC_ALERT3_N", "BMC_ALERT4_N",
> + /* H */ "X24_C1_PRSNT", "X24_C2_PRSNT", "X24_C3_PRSNT", "FM_MEM_THERM_EVENT_BMC_R_N",
> + "FACMODE", "BMC_RTCRST", "BMC_HB_LED_N", "BMC_CASEOPEN",
> + /* I */ "", "", "", "", "", "", "", "",
> + /* J */ "BMC_READY", "BMC_PCH_BIOS_CS_N", "", "P0_MA_DDR_QS_CS_N",
> + "", "", "", "",
> + /* K */ "", "", "", "", "", "", "", "",
> + /* L */ "", "", "", "", "", "", "", "",
> + /* M */ "", "", "MEZZ_PWRBRK_N", "OCP_HP_RST_EN",
> + "MAIN_PWR_EN_G", "BMC_MAIN_EN", "AUX_PWR_EN_G", "BMC_AUX_EN",
> + /* N */ "", "", "", "", "", "", "", "",
> + /* O */ "", "", "", "", "", "", "", "",
> + /* P */ "", "", "", "", "", "", "", "",
> + /* Q */ "", "", "", "",
> + "BMC_SMB_PRESENT_1_N", "BMC_SMB_PRESENT_2_N",
> + "BMC_SMB_PRESENT_3_N", "BMC_PCIE_WAKE_N",
> + /* R */ "", "", "THERMALTRIP_CLEAR_N", "", "", "", "", "",
> + /* S */ "", "", "", "", "", "", "", "",
> + /* T */ "", "", "", "", "", "", "", "",
> + /* U */ "", "", "", "", "", "", "", "",
> + /* V */ "", "", "", "", "", "", "", "",
> + /* W */ "", "", "", "", "", "", "", "",
> + /* X */ "", "", "", "", "", "", "", "",
> + /* Y */ "SLP_S3", "SLP_S4_S5", "NODE_ID_1", "NODE_ID_2", "", "", "", "",
> + /* Z */ "", "", "SYSTEM_FAULT_LED_N", "FAST_THROTTLE_N",
> + "", "", "", "",
> + /* AA */ "FM_CPU0_IBMC_THERMTRIP_N", "", "PROCHOT_L_G", "",
> + "", "", "", "",
> + /* AB */ "BMC_FORCE_SELFREFRESH", "PWRGD_OUT", "", "IRQ_BMC_PCH_SMI_LPC_N",
> + "", "", "", "",
> + /* AC */ "", "", "", "", "", "", "", "";
> +};
> +
> +&adc {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_adc0_default
> + &pinctrl_adc1_default
> + &pinctrl_adc2_default
> + &pinctrl_adc3_default
> + &pinctrl_adc4_default
> + &pinctrl_adc5_default
> + &pinctrl_adc6_default
> + &pinctrl_adc7_default
> + &pinctrl_adc8_default
> + &pinctrl_adc9_default
> + &pinctrl_adc10_default
> + &pinctrl_adc11_default
> + &pinctrl_adc12_default
> + &pinctrl_adc13_default
> + &pinctrl_adc14_default
> + &pinctrl_adc15_default>;
> +};
> --
> 2.34.1
>
