]> git.ipfire.org Git - thirdparty/kernel/linux.git/commitdiff
ARM: dts: aspeed: Add Facebook Wedge400-data64 (AST2500) BMC
authorTao Ren <rentao.bupt@gmail.com>
Mon, 28 Jul 2025 05:56:09 +0000 (22:56 -0700)
committerAndrew Jeffery <andrew@codeconstruct.com.au>
Mon, 11 Aug 2025 00:07:47 +0000 (09:37 +0930)
Add wedge400-data64.dts to extend wedge400's data0 partition from 8MB to
64MB smoothly.

wedge400-data64.dts is copied from wedge400.dts with below changes:
  - updating model/compatible strings.
  - updating flash0 partition.

Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Link: https://patch.msgid.link/20250728055618.61616-8-rentao.bupt@gmail.com
Signed-off-by: Andrew Jeffery <andrew@codeconstruct.com.au>
arch/arm/boot/dts/aspeed/Makefile
arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-wedge400-data64.dts [new file with mode: 0644]

index aba7451ab749f4938aa56ffe332a94e04a55eb52..0c63297bf13b722235d59b1251d473bcd4925ce2 100644 (file)
@@ -31,6 +31,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
        aspeed-bmc-facebook-tiogapass.dtb \
        aspeed-bmc-facebook-wedge40.dtb \
        aspeed-bmc-facebook-wedge100.dtb \
+       aspeed-bmc-facebook-wedge400-data64.dtb \
        aspeed-bmc-facebook-wedge400.dtb \
        aspeed-bmc-facebook-yamp.dtb \
        aspeed-bmc-facebook-yosemitev2.dtb \
diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-wedge400-data64.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-facebook-wedge400-data64.dts
new file mode 100644 (file)
index 0000000..1d46eae
--- /dev/null
@@ -0,0 +1,375 @@
+// SPDX-License-Identifier: GPL-2.0+
+// Copyright (c) 2019 Facebook Inc.
+/dts-v1/;
+
+#include <dt-bindings/gpio/aspeed-gpio.h>
+#include "ast2500-facebook-netbmc-common.dtsi"
+
+/ {
+       model = "Facebook Wedge 400 BMC (64MB Datastore)";
+       compatible = "facebook,wedge400-data64-bmc", "aspeed,ast2500";
+
+       aliases {
+               /*
+                * PCA9548 (2-0070) provides 8 channels connecting to
+                * SCM (System Controller Module).
+                */
+               i2c16 = &imux16;
+               i2c17 = &imux17;
+               i2c18 = &imux18;
+               i2c19 = &imux19;
+               i2c20 = &imux20;
+               i2c21 = &imux21;
+               i2c22 = &imux22;
+               i2c23 = &imux23;
+
+               /*
+                * PCA9548 (8-0070) provides 8 channels connecting to
+                * SMB (Switch Main Board).
+                */
+               i2c24 = &imux24;
+               i2c25 = &imux25;
+               i2c26 = &imux26;
+               i2c27 = &imux27;
+               i2c28 = &imux28;
+               i2c29 = &imux29;
+               i2c30 = &imux30;
+               i2c31 = &imux31;
+
+               /*
+                * PCA9548 (11-0076) provides 8 channels connecting to
+                * FCM (Fan Controller Module).
+                */
+               i2c32 = &imux32;
+               i2c33 = &imux33;
+               i2c34 = &imux34;
+               i2c35 = &imux35;
+               i2c36 = &imux36;
+               i2c37 = &imux37;
+               i2c38 = &imux38;
+               i2c39 = &imux39;
+
+               spi2 = &spi_gpio;
+       };
+
+       chosen {
+               stdout-path = &uart1;
+       };
+
+       ast-adc-hwmon {
+               compatible = "iio-hwmon";
+               io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 3>, <&adc 4>,
+                             <&adc 5>, <&adc 6>, <&adc 7>, <&adc 8>;
+       };
+
+       /*
+        * GPIO-based SPI Master is required to access SPI TPM, because
+        * full-duplex SPI transactions are not supported by ASPEED SPI
+        * Controllers.
+        */
+       spi_gpio: spi {
+               status = "okay";
+               compatible = "spi-gpio";
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               cs-gpios = <&gpio ASPEED_GPIO(R, 2) GPIO_ACTIVE_LOW>;
+               sck-gpios = <&gpio ASPEED_GPIO(R, 3) GPIO_ACTIVE_HIGH>;
+               mosi-gpios = <&gpio ASPEED_GPIO(R, 4) GPIO_ACTIVE_HIGH>;
+               miso-gpios = <&gpio ASPEED_GPIO(R, 5) GPIO_ACTIVE_HIGH>;
+               num-chipselects = <1>;
+
+               tpm@0 {
+                       compatible = "infineon,slb9670", "tcg,tpm_tis-spi";
+                       spi-max-frequency = <33000000>;
+                       reg = <0>;
+               };
+       };
+};
+
+/*
+ * Both firmware flashes are 128MB on Wedge400 BMC.
+ */
+&fmc_flash0 {
+#include "facebook-bmc-flash-layout-128-data64.dtsi"
+};
+
+&fmc_flash1 {
+       partitions {
+               compatible = "fixed-partitions";
+               #address-cells = <1>;
+               #size-cells = <1>;
+
+               flash1@0 {
+                       reg = <0x0 0x8000000>;
+                       label = "flash1";
+               };
+       };
+};
+
+&uart2 {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_txd2_default
+                    &pinctrl_rxd2_default>;
+};
+
+&uart4 {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_txd4_default
+                    &pinctrl_rxd4_default>;
+};
+
+/*
+ * I2C bus #0 is multi-master environment dedicated for BMC and Bridge IC
+ * communication.
+ */
+&i2c0 {
+       status = "okay";
+       multi-master;
+       bus-frequency = <1000000>;
+};
+
+&i2c1 {
+       status = "okay";
+};
+
+&i2c2 {
+       status = "okay";
+
+       i2c-mux@70 {
+               compatible = "nxp,pca9548";
+               #address-cells = <1>;
+               #size-cells = <0>;
+               reg = <0x70>;
+               i2c-mux-idle-disconnect;
+
+               imux16: i2c@0 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <0>;
+               };
+
+               imux17: i2c@1 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <1>;
+               };
+
+               imux18: i2c@2 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <2>;
+               };
+
+               imux19: i2c@3 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <3>;
+               };
+
+               imux20: i2c@4 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <4>;
+               };
+
+               imux21: i2c@5 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <5>;
+               };
+
+               imux22: i2c@6 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <6>;
+               };
+
+               imux23: i2c@7 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <7>;
+               };
+       };
+};
+
+&i2c3 {
+       status = "okay";
+};
+
+&i2c4 {
+       status = "okay";
+};
+
+&i2c5 {
+       status = "okay";
+};
+
+&i2c6 {
+       status = "okay";
+};
+
+&i2c7 {
+       status = "okay";
+};
+
+&i2c8 {
+       status = "okay";
+
+       i2c-mux@70 {
+               compatible = "nxp,pca9548";
+               #address-cells = <1>;
+               #size-cells = <0>;
+               reg = <0x70>;
+               i2c-mux-idle-disconnect;
+
+               imux24: i2c@0 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <0>;
+               };
+
+               imux25: i2c@1 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <1>;
+               };
+
+               imux26: i2c@2 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <2>;
+               };
+
+               imux27: i2c@3 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <3>;
+               };
+
+               imux28: i2c@4 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <4>;
+               };
+
+               imux29: i2c@5 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <5>;
+               };
+
+               imux30: i2c@6 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <6>;
+               };
+
+               imux31: i2c@7 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <7>;
+               };
+
+       };
+};
+
+&i2c9 {
+       status = "okay";
+};
+
+&i2c10 {
+       status = "okay";
+};
+
+&i2c11 {
+       status = "okay";
+
+       i2c-mux@76 {
+               compatible = "nxp,pca9548";
+               #address-cells = <1>;
+               #size-cells = <0>;
+               reg = <0x76>;
+               i2c-mux-idle-disconnect;
+
+               imux32: i2c@0 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <0>;
+               };
+
+               imux33: i2c@1 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <1>;
+               };
+
+               imux34: i2c@2 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <2>;
+               };
+
+               imux35: i2c@3 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <3>;
+               };
+
+               imux36: i2c@4 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <4>;
+               };
+
+               imux37: i2c@5 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <5>;
+               };
+
+               imux38: i2c@6 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <6>;
+               };
+
+               imux39: i2c@7 {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <7>;
+               };
+
+       };
+};
+
+&i2c12 {
+       status = "okay";
+};
+
+&i2c13 {
+       status = "okay";
+};
+
+&adc {
+       status = "okay";
+};
+
+&ehci1 {
+       status = "okay";
+};
+
+&uhci {
+       status = "okay";
+};
+
+&sdhci1 {
+       max-frequency = <25000000>;
+       /*
+        * DMA mode needs to be disabled to avoid conflicts with UHCI
+        * Controller in AST2500 SoC.
+        */
+       sdhci-caps-mask = <0x0 0x580000>;
+};