[PATCH] ARM: dts: aspeed: Add Supermicro X13dem system BMC devicetree

Joel Stanley joel at jms.id.au
Tue May 9 15:43:02 AEST 2023


On Tue, 9 May 2023 at 00:11, <lesly895 at gmail.com> wrote:
>
> From: Ryan Sie <ryans at supermicro.com.tw>
>
> Add a devicetree for the new X13dem system.

That is obvious. Some more details about the system would help for review.

>
> Signed-off-by: Ryan Sie <ryans at supermicro.com.tw>
> ---
>  .../boot/dts/aspeed-bmc-supermicro-x13dem.dts | 283 ++++++++++++++++++
>  1 file changed, 283 insertions(+)
>  create mode 100644 arch/arm/boot/dts/aspeed-bmc-supermicro-x13dem.dts
>
> diff --git a/arch/arm/boot/dts/aspeed-bmc-supermicro-x13dem.dts b/arch/arm/boot/dts/aspeed-bmc-supermicro-x13dem.dts
> new file mode 100644
> index 000000000000..b5aac905e7ea
> --- /dev/null
> +++ b/arch/arm/boot/dts/aspeed-bmc-supermicro-x13dem.dts
> @@ -0,0 +1,283 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later
> +// Copyright 2023 Supermicro Corp.
> +/dts-v1/;
> +
> +#include "aspeed-g6.dtsi"
> +#include <dt-bindings/gpio/aspeed-gpio.h>
> +#include <dt-bindings/i2c/i2c.h>
> +
> +/ {
> +       model = "X13dem";

Convetion is to name the machine the model + BMC, so this would be "X13DEM BMC".

> +       compatible = "aspeed,ast2600";

Needs a compatible for the machine.

> +
> +       aliases {
> +               mmc0 = &emmc;
> +       };
> +
> +       chosen {
> +               stdout-path = &uart5;
> +               bootargs = "console=ttyS4,115200n8 earlycon";
> +       };
> +
> +       memory at 80000000 {
> +               device_type = "memory";
> +               reg = <0x80000000 0x40000000>;
> +       };
> +
> +       reserved-memory {
> +               #address-cells = <1>;
> +               #size-cells = <1>;
> +               ranges;
> +
> +               /* LPC FW cycle bridge region requires natural alignment */
> +               flash_memory: region at b4000000 {
> +                       no-map;
> +                       reg = <0xb4000000 0x04000000>; /* 64M */

Are you sure you need this?

> +               };
> +
> +               /* VGA region is dictated by hardware strapping */
> +               vga_memory: region at bf000000 {
> +                       no-map;
> +                       compatible = "shared-dma-pool";
> +                       reg = <0xbf000000 0x01000000>;  /* 16M */

Are you sure you need this?

> +               };
> +       };
> +
> +       leds {
> +           compatible = "gpio-leds";
> +           powerfail {
> +                   gpios = <&gpio0 ASPEED_GPIO(G, 5) GPIO_ACTIVE_LOW>;
> +           };
> +       };
> +
> +       iio-hwmon {
> +               compatible = "iio-hwmon";
> +               io-channels = <&adc0 0>, <&adc0 1>, <&adc0 2>, <&adc0 3>,
> +                       <&adc0 4>, <&adc0 5>, <&adc0 6>, <&adc0 7>,
> +                       <&adc1 0>, <&adc1 1>, <&adc1 2>, <&adc1 3>,
> +                       <&adc1 4>, <&adc1 5>, <&adc1 6>, <&adc1 7>;
> +       };
> +};
> +
> +&adc0 {
> +       status = "okay";
> +       aspeed,int-vref-microvolt = <2500000>;
> +       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>;
> +};
> +
> +&adc1 {
> +       status = "okay";
> +       aspeed,int-vref-microvolt = <2500000>;
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&pinctrl_adc8_default &pinctrl_adc9_default
> +               &pinctrl_adc10_default &pinctrl_adc11_default
> +               &pinctrl_adc12_default &pinctrl_adc13_default
> +               &pinctrl_adc14_default &pinctrl_adc15_default>;
> +};
> +
> +&emmc_controller {
> +       status = "okay";
> +};
> +
> +&pinctrl_emmc_default {
> +       bias-disable;
> +};
> +
> +&emmc {
> +       status = "okay";
> +       clk-phase-mmc-hs200 = <180>, <180>;
> +};
> +
> +&spi1 {
> +       status = "okay";
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&pinctrl_spi1_default>;
> +
> +       flash at 0 {
> +               status = "okay";
> +               m25p,fast-read;
> +               label = "spi1:0";
> +               spi-max-frequency = <25000000>;
> +       };
> +};
> +
> +&gpio0 {
> +       status = "okay";
> +       gpio-line-names =

Consult this document for common names:

 https://github.com/openbmc/docs/blob/master/designs/device-tree-gpio-naming.md

> +       /*A0-A7*/       "","","","","","","","",
> +       /*B0-B7*/       "","","","","","","jpfr2","jpfr3",
> +       /*C0-C7*/       "","","","","","","","",
> +       /*D0-D7*/       "","","","","","","","",
> +       /*E0-E7*/       "","","","","","","","",
> +       /*F0-F7*/       "","","","","","","","",
> +       /*G0-G7*/       "","","","","","pwrfail-led","","",
> +       /*H0-H7*/       "smc-n","nmi-n","pwrbtn-n","rst-n","","","phy1-rst","",
> +       /*I0-I7*/       "","","","","","","","",
> +       /*J0-J7*/       "","","","","","","","",
> +       /*K0-K7*/       "","","","","","","","",
> +       /*L0-L7*/       "","","","","","","","",
> +       /*M0-M7*/       "","","","","","","","",
> +       /*N0-N7*/       "","","","","","","","",
> +       /*O0-O7*/       "","","","","","","","speaker-bmc",
> +       /*P0-P7*/       "cpld-int","","","","","","","bmc-hbled-n",
> +       /*Q0-Q7*/       "","","","","","","","",
> +       /*R0-R7*/       "","","","","pwr-ctrl-4","","","",
> +       /*S0-S7*/       "","","wake-n","","pwrok-in","pcie-rst-in","","uid-sw-in",
> +       /*T0-T7*/       "","","","","","","","",
> +       /*U0-U7*/       "","","","","","","","",
> +       /*V0-V7*/       "","","","","","","","",
> +       /*W0-W7*/       "","","","","","","","",
> +       /*X0-X7*/       "","bios-cmp-in","smci-pch-out","","","","nmi-in","bmc-ready",
> +       /*Y0-Y7*/       "","bmc-hb-led","bmc-cpld-mux-sel","emmc-rst","","","sci-bmc-out","",
> +       /*Z0-Z7*/       "bmc-prg-n","pwer-ctrl-1","pwrbtn-in","","","","","";
> +};
> +
> +&gpio1 {
> +       status = "disabled";
> +};
> +
> +&sgpiom0 {
> +       status = "disabled";

If you're disabling it you can remove the names below.

> +       gpio-line-names =
> +       /* SGPIO output lines */
> +       /*OA0-OA7*/     "","","","","","","","",
> +       /*OB0-OB7*/     "","","","","","","","",
> +       /*OC0-OC7*/     "","","","","","","","",
> +       /*OD0-OD7*/     "","","","","","","","",
> +       /*OE0-OE7*/     "","","","","","","","",
> +       /*OF0-OF7*/     "","","","","","","","",
> +       /*OG0-OG7*/     "","","","","","","","",
> +       /*OH0-OH7*/     "","","","","","","","",
> +       /*OI0-OI7*/     "","","","","","","","",
> +       /*OJ0-OJ7*/     "","","","","","","","",
> +       /*DUMMY*/       "","","","","","","","",
> +       /*DUMMY*/       "","","","","","","","",
> +
> +       /* SGPIO input lines */
> +       /*IA0-IA7*/     "","","","","","","","",
> +       /*IB0-IB7*/     "","","","","","","","",
> +       /*IC0-IC7*/     "","","","","","","","",
> +       /*ID0-ID7*/     "","","","","","","","",
> +       /*IE0-IE7*/     "","","","","","","","",
> +       /*IF0-IF7*/     "","","","","","","","",
> +       /*IG0-IG7*/     "","","","","","","","",
> +       /*IH0-IH7*/     "","","","","","","","",
> +       /*II0-II7*/     "","","","","","","","",
> +       /*IJ0-IJ7*/     "","","","","","","","";
> +};
> +
> +&kcs3 {
> +       aspeed,lpc-io-reg = <0xca2>;
> +       status = "okay";
> +};
> +
> +&kcs4 {
> +       aspeed,lpc-io-reg = <0xca4>;
> +       status = "okay";
> +};
> +
> +&uart1 {
> +       status = "okay";
> +};
> +
> +&uart2 {
> +       status = "okay";
> +};
> +
> +&uart3 {
> +       status = "okay";
> +};
> +
> +&uart4 {
> +       status = "okay";
> +};
> +
> +&uart_routing {
> +       status = "okay";
> +};
> +
> +&mdio0 {
> +       status = "okay";
> +
> +       ethphy0: ethernet-phy at 0 {
> +               compatible = "ethernet-phy-ieee802.3-c22";
> +               reg = <0>;
> +       };
> +};
> +
> +&mac0 {
> +       status = "okay";
> +
> +       phy-mode = "rgmii";
> +       phy-handle = <&ethphy0>;
> +
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&pinctrl_rgmii1_default>;
> +};
> +
> +&mac2 {
> +       status = "okay";
> +       pinctrl-names = "default";
> +       pinctrl-0 = <&pinctrl_rmii3_default>;
> +       clocks = <&syscon ASPEED_CLK_GATE_MAC3CLK>,
> +                       <&syscon ASPEED_CLK_MAC3RCLK>;
> +       clock-names = "MACCLK", "RCLK";
> +       use-ncsi;
> +};
> +
> +&i2c0 {
> +       status = "okay";
> +};
> +
> +&i2c1 {
> +       status = "disabled";
> +};
> +
> +&i2c2 {
> +       multi-master;
> +       status = "okay";
> +};
> +
> +&i2c3 {
> +       status = "okay";
> +};
> +
> +&i2c4 {
> +       status = "okay";
> +       bus-frequency = <400000>;
> +};
> +
> +&i2c5 {
> +       status = "okay";
> +};
> +
> +&i2c6 {
> +       status = "okay";
> +};
> +
> +&i2c7 {
> +       status = "okay";
> +};
> +
> +&lpc_ctrl {
> +       status = "okay";
> +       memory-region = <&flash_memory>;
> +};
> +
> +&xdma {
> +       status = "okay";
> +       memory-region = <&vga_memory>;
> +};
> +
> +&vhub {
> +       status = "okay";
> +};
> +
> +&rtc {
> +       status = "okay";
> +};
> +
> --
> 2.34.1
>


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