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Date: Mon, 11 Dec 2017 13:27:56 -0600
From: Brandon Wyman <bjwyman@...il.com>
To: Joel Stanley <joel@....id.au>
Cc: Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Arnd Bergmann <arnd@...db.de>,
Andrew Jeffery <andrew@...id.au>,
Patrick Venture <venture@...gle.com>, Xo Wang <xow@...gle.com>,
Lei YU <mine260309@...il.com>,
Cédric Le Goater <clg@...d.org>,
Benjamin Herrenschmidt <benh@...nel.crashing.org>,
Jeremy Kerr <jk@...abs.org>, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-aspeed@...ts.ozlabs.org, Matt Spinler <spinler@...ibm.com>,
Brad Bishop <bradleyb@...ziesquirrel.com>,
"Edward A . James" <eajames@...ibm.com>
Subject: Re: [PATCH 16/20] ARM: dts: aspeed: Add Witherspoon BMC machine
On Sun, Dec 10, 2017 at 11:07 PM, Joel Stanley <joel@....id.au> wrote:
> 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@...il.com>
> Signed-off-by: Matt Spinler <spinler@...ibm.com>
> Signed-off-by: Brad Bishop <bradleyb@...ziesquirrel.com>
> Signed-off-by: Edward A. James <eajames@...ibm.com>
> Signed-off-by: Cédric Le Goater <clg@...d.org>
> Signed-off-by: Andrew Jeffery <andrew@...id.au>
> Signed-off-by: Joel Stanley <joel@....id.au>
> ---
> arch/arm/boot/dts/Makefile | 4 +-
> arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts | 547 +++++++++++++++++++++++
> 2 files changed, 550 insertions(+), 1 deletion(-)
> create mode 100644 arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 5d1e9d37bf3a..15a9207319c1 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -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
> index 000000000000..9a0937512e5b
> --- /dev/null
> +++ b/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts
> @@ -0,0 +1,547 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/dts-v1/;
> +#include "aspeed-g5.dtsi"
> +#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 {
> + reg = <0x80000000 0x20000000>;
> + };
> +
> + reserved-memory {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + flash_memory: region@...00000 {
> + 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>;
> +};
> --
> 2.14.1
>
Reviewed-by: Brandon Wyman <bjwyman@...il.com>
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