ARM: dts: aspeed: Add Witherspoon BMC machine
authorJoel Stanley <joel@jms.id.au>
Tue, 28 Nov 2017 12:41:05 +0000 (23:11 +1030)
committerJoel Stanley <joel@jms.id.au>
Thu, 21 Dec 2017 03:33:19 +0000 (14:03 +1030)
The Witherspoon BMC is an ASPEED ast2500 based BMC that is part of an
OpenPower Power9 server.

This adds the device tree description for most upstream components. It
is a squashed commit from the OpenBMC kernel tree.

Signed-off-by: Brandon Wyman <bjwyman@gmail.com>
Signed-off-by: Matt Spinler <spinler@us.ibm.com>
Signed-off-by: Brad Bishop <bradleyb@fuzziesquirrel.com>
Signed-off-by: Edward A. James <eajames@us.ibm.com>
Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
Reviewed-by: Brandon Wyman <bjwyman@gmail.com>
Signed-off-by: Joel Stanley <joel@jms.id.au>
arch/arm/boot/dts/Makefile
arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts [new file with mode: 0644]

index 5d1e9d37bf3a15f7d12ce6fb71096ce7cfa81bd2..15a9207319c145b50eeed8d7565bd93bb3c55bd9 100644 (file)
@@ -1104,5 +1104,7 @@ dtb-$(CONFIG_ARCH_ZX) += zx296702-ad1.dtb
 dtb-$(CONFIG_ARCH_ASPEED) += \
        aspeed-ast2500-evb.dtb \
        aspeed-bmc-opp-palmetto.dtb \
-       aspeed-bmc-opp-romulus.dtb
+       aspeed-bmc-opp-romulus.dtb \
+       aspeed-bmc-opp-witherspoon.dtb
+
 endif
diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts b/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts
new file mode 100644 (file)
index 0000000..5f9049d
--- /dev/null
@@ -0,0 +1,548 @@
+// SPDX-License-Identifier: GPL-2.0+
+/dts-v1/;
+#include "aspeed-g5.dtsi"
+#include <dt-bindings/gpio/aspeed-gpio.h>
+#include <dt-bindings/leds/leds-pca955x.h>
+
+/ {
+       model = "Witherspoon BMC";
+       compatible = "ibm,witherspoon-bmc", "aspeed,ast2500";
+
+       chosen {
+               stdout-path = &uart5;
+               bootargs = "console=ttyS4,115200 earlyprintk";
+       };
+
+       memory@80000000 {
+               reg = <0x80000000 0x20000000>;
+       };
+
+       reserved-memory {
+               #address-cells = <1>;
+               #size-cells = <1>;
+               ranges;
+
+               flash_memory: region@98000000 {
+                       no-map;
+                       reg = <0x98000000 0x04000000>; /* 64M */
+               };
+       };
+
+       gpio-keys-polled {
+               compatible = "gpio-keys-polled";
+               #address-cells = <1>;
+               #size-cells = <0>;
+               poll-interval = <1000>;
+
+               fan0-presence {
+                       label = "fan0-presence";
+                       gpios = <&pca0 4 GPIO_ACTIVE_LOW>;
+                       linux,code = <4>;
+               };
+
+               fan1-presence {
+                       label = "fan1-presence";
+                       gpios = <&pca0 5 GPIO_ACTIVE_LOW>;
+                       linux,code = <5>;
+               };
+
+               fan2-presence {
+                       label = "fan2-presence";
+                       gpios = <&pca0 6 GPIO_ACTIVE_LOW>;
+                       linux,code = <6>;
+               };
+
+               fan3-presence {
+                       label = "fan3-presence";
+                       gpios = <&pca0 7 GPIO_ACTIVE_LOW>;
+                       linux,code = <7>;
+               };
+       };
+
+       leds {
+               compatible = "gpio-leds";
+
+               fan0 {
+                       retain-state-shutdown;
+                       default-state = "keep";
+                       gpios = <&pca0 0 GPIO_ACTIVE_LOW>;
+               };
+
+               fan1 {
+                       retain-state-shutdown;
+                       default-state = "keep";
+                       gpios = <&pca0 1 GPIO_ACTIVE_LOW>;
+               };
+
+               fan2 {
+                       retain-state-shutdown;
+                       default-state = "keep";
+                       gpios = <&pca0 2 GPIO_ACTIVE_LOW>;
+               };
+
+               fan3 {
+                       retain-state-shutdown;
+                       default-state = "keep";
+                       gpios = <&pca0 3 GPIO_ACTIVE_LOW>;
+               };
+
+               front-fault {
+                       retain-state-shutdown;
+                       default-state = "keep";
+                       gpios = <&pca0 13 GPIO_ACTIVE_LOW>;
+               };
+
+               front-power {
+                       retain-state-shutdown;
+                       default-state = "keep";
+                       gpios = <&pca0 14 GPIO_ACTIVE_LOW>;
+               };
+
+               front-id {
+                       retain-state-shutdown;
+                       default-state = "keep";
+                       gpios = <&pca0 15 GPIO_ACTIVE_LOW>;
+               };
+
+               rear-fault {
+                       gpios = <&gpio ASPEED_GPIO(N, 2) GPIO_ACTIVE_LOW>;
+               };
+
+               rear-id {
+                       gpios = <&gpio ASPEED_GPIO(N, 4) GPIO_ACTIVE_LOW>;
+               };
+
+               rear-power {
+                       gpios = <&gpio ASPEED_GPIO(N, 3) GPIO_ACTIVE_LOW>;
+               };
+
+               power-button {
+                       gpios = <&gpio ASPEED_GPIO(R, 5) GPIO_ACTIVE_LOW>;
+               };
+       };
+
+       fsi: gpio-fsi {
+               compatible = "fsi-master-gpio", "fsi-master";
+               #address-cells = <2>;
+               #size-cells = <0>;
+
+               clock-gpios = <&gpio ASPEED_GPIO(AA, 0) GPIO_ACTIVE_HIGH>;
+               data-gpios = <&gpio ASPEED_GPIO(E, 0) GPIO_ACTIVE_HIGH>;
+               mux-gpios = <&gpio ASPEED_GPIO(A, 6) GPIO_ACTIVE_HIGH>;
+               enable-gpios = <&gpio ASPEED_GPIO(D, 0) GPIO_ACTIVE_HIGH>;
+               trans-gpios = <&gpio ASPEED_GPIO(R, 2) GPIO_ACTIVE_HIGH>;
+       };
+
+       iio-hwmon-dps310 {
+               compatible = "iio-hwmon";
+               io-channels = <&dps 0>;
+       };
+
+       iio-hwmon-bmp280 {
+               compatible = "iio-hwmon";
+               io-channels = <&bmp 1>;
+       };
+
+};
+
+&fmc {
+       status = "okay";
+
+       flash@0 {
+               status = "okay";
+               label = "bmc";
+               m25p,fast-read;
+#include "openbmc-flash-layout.dtsi"
+       };
+
+       flash@1 {
+               status = "okay";
+               label = "alt";
+               m25p,fast-read;
+       };
+};
+
+&spi1 {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_spi1_default>;
+
+       flash@0 {
+               status = "okay";
+               label = "pnor";
+               m25p,fast-read;
+       };
+};
+
+&uart1 {
+       /* Rear RS-232 connector */
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_txd1_default
+                       &pinctrl_rxd1_default
+                       &pinctrl_nrts1_default
+                       &pinctrl_ndtr1_default
+                       &pinctrl_ndsr1_default
+                       &pinctrl_ncts1_default
+                       &pinctrl_ndcd1_default
+                       &pinctrl_nri1_default>;
+};
+
+&uart2 {
+       /* APSS */
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_txd2_default &pinctrl_rxd2_default>;
+};
+
+&uart5 {
+       status = "okay";
+};
+
+&lpc_ctrl {
+       status = "okay";
+       memory-region = <&flash_memory>;
+       flash = <&spi1>;
+};
+
+&mac0 {
+       status = "okay";
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_rmii1_default>;
+       use-ncsi;
+};
+
+&i2c2 {
+       status = "okay";
+
+       /* MUX ->
+        *    Samtec 1
+        *    Samtec 2
+        */
+};
+
+&i2c3 {
+       status = "okay";
+
+       bmp: bmp280@77 {
+               compatible = "bosch,bmp280";
+               reg = <0x77>;
+               #io-channel-cells = <1>;
+       };
+
+       max31785@52 {
+               compatible = "maxim,max31785a";
+               reg = <0x52>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+       };
+
+       dps: dps310@76 {
+               compatible = "infineon,dps310";
+               reg = <0x76>;
+               #io-channel-cells = <0>;
+       };
+
+       pca0: pca9552@60 {
+               compatible = "nxp,pca9552";
+               reg = <0x60>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               gpio@0 {
+                       reg = <0>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@1 {
+                       reg = <1>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@2 {
+                       reg = <2>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@3 {
+                       reg = <3>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@4 {
+                       reg = <4>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@5 {
+                       reg = <5>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@6 {
+                       reg = <6>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@7 {
+                       reg = <7>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@8 {
+                       reg = <8>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@9 {
+                       reg = <9>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@10 {
+                       reg = <10>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@11 {
+                       reg = <11>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@12 {
+                       reg = <12>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@13 {
+                       reg = <13>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@14 {
+                       reg = <14>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@15 {
+                       reg = <15>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+       };
+
+       power-supply@68 {
+               compatible = "ibm,cffps1";
+               reg = <0x68>;
+       };
+
+       power-supply@69 {
+               compatible = "ibm,cffps1";
+               reg = <0x69>;
+       };
+};
+
+&i2c4 {
+       status = "okay";
+
+       tmp423a@4c {
+               compatible = "ti,tmp423";
+               reg = <0x4c>;
+       };
+
+       ir35221@70 {
+               compatible = "infineon,ir35221";
+               reg = <0x70>;
+       };
+
+       ir35221@71 {
+               compatible = "infineon,ir35221";
+               reg = <0x71>;
+       };
+};
+
+
+&i2c5 {
+       status = "okay";
+
+       tmp423a@4c {
+               compatible = "ti,tmp423";
+               reg = <0x4c>;
+       };
+
+       ir35221@70 {
+               compatible = "infineon,ir35221";
+               reg = <0x70>;
+       };
+
+       ir35221@71 {
+               compatible = "infineon,ir35221";
+               reg = <0x71>;
+       };
+};
+
+&i2c9 {
+       status = "okay";
+
+       tmp275@4a {
+               compatible = "ti,tmp275";
+               reg = <0x4a>;
+       };
+};
+
+&i2c10 {
+       /* MUX
+        *   -> PCIe Slot 3
+        *   -> PCIe Slot 4
+        */
+       status = "okay";
+};
+
+&i2c11 {
+       status = "okay";
+
+       pca9552: pca9552@60 {
+               compatible = "nxp,pca9552";
+               reg = <0x60>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+               gpio-controller;
+               #gpio-cells = <2>;
+
+               gpio-line-names = "PS_SMBUS_RESET_N", "APSS_RESET_N",
+                       "GPU0_TH_OVERT_N_BUFF", "GPU1_TH_OVERT_N_BUFF",
+                       "GPU2_TH_OVERT_N_BUFF", "GPU3_TH_OVERT_N_BUFF",
+                       "GPU4_TH_OVERT_N_BUFF", "GPU5_TH_OVERT_N_BUFF",
+                       "GPU0_PWR_GOOD_BUFF", "GPU1_PWR_GOOD_BUFF",
+                       "GPU2_PWR_GOOD_BUFF", "GPU3_PWR_GOOD_BUFF",
+                       "GPU4_PWR_GOOD_BUFF", "GPU5_PWR_GOOD_BUFF",
+                       "12V_BREAKER_FLT_N", "THROTTLE_UNLATCHED_N";
+
+               gpio@0 {
+                       reg = <0>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@1 {
+                       reg = <1>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@2 {
+                       reg = <2>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@3 {
+                       reg = <3>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@4 {
+                       reg = <4>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@5 {
+                       reg = <5>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@6 {
+                       reg = <6>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@7 {
+                       reg = <7>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@8 {
+                       reg = <8>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@9 {
+                       reg = <9>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@10 {
+                       reg = <10>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@11 {
+                       reg = <11>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@12 {
+                       reg = <12>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@13 {
+                       reg = <13>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@14 {
+                       reg = <14>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+
+               gpio@15 {
+                       reg = <15>;
+                       type = <PCA955X_TYPE_GPIO>;
+               };
+       };
+
+       rtc@32 {
+               compatible = "epson,rx8900";
+               reg = <0x32>;
+       };
+
+       eeprom@51 {
+               compatible = "atmel,24c64";
+               reg = <0x51>;
+       };
+
+       ucd90160@64 {
+               compatible = "ti,ucd90160";
+               reg = <0x64>;
+       };
+};
+
+&i2c12 {
+       status = "okay";
+};
+
+&i2c13 {
+       status = "okay";
+};
+
+&vuart {
+       status = "okay";
+};
+
+&gfx {
+       status = "okay";
+};
+
+&pinctrl {
+       aspeed,external-nodes = <&gfx &lhc>;
+};
+
+&wdt1 {
+       aspeed,reset-type = "none";
+       aspeed,external-signal;
+       aspeed,ext-push-pull;
+       aspeed,ext-active-high;
+
+       pinctrl-names = "default";
+       pinctrl-0 = <&pinctrl_wdtrst1_default>;
+};