[16/20] ARM: dts: aspeed: Add Witherspoon BMC machine

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>
Signed-off-by: Joel Stanley <joel@jms.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

On Sun, Dec 10, 2017 at 11:07 PM, Joel Stanley <joel@jms.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@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>
> Signed-off-by: Joel Stanley <joel@jms.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@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>;
> +};
> --
> 2.14.1
>
Reviewed-by: Brandon Wyman <bjwyman@gmail.com>