Re: [PATCH v2 18/19] ARM: dts: aspeed-romulus: Update Romulus system

From: CÃdric Le Goater
Date: Mon Dec 18 2017 - 04:33:07 EST


Some comments below,

On 12/15/2017 07:24 AM, Joel Stanley wrote:
> - Fix incorrect RAM size
> - Remove alias; these are now specified in the dtsi
> - Add newly upstreamed devices
> - Include OpenBMC flash layout
>
> Signed-off-by: Joel Stanley <joel@xxxxxxxxx>
> ---
> arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts | 153 ++++++++++++++++++++++++++-
> 1 file changed, 148 insertions(+), 5 deletions(-)
>
> diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts b/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts
> index a7a9386f964d..bfdf643584df 100644
> --- a/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts
> +++ b/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts
> @@ -7,17 +7,13 @@
> model = "Romulus BMC";
> compatible = "ibm,romulus-bmc", "aspeed,ast2500";
>
> - aliases {
> - serial4 = &uart5;
> - };
> -
> chosen {
> stdout-path = &uart5;
> bootargs = "console=ttyS4,115200 earlyprintk";
> };
>
> memory {
> - reg = <0x80000000 0x40000000>;
> + reg = <0x80000000 0x20000000>;
> };
>
> reserved-memory {
> @@ -29,6 +25,73 @@
> no-map;
> reg = <0xbf000000 0x01000000>; /* 16M */
> };
> +
> + flash_memory: region@98000000 {
> + no-map;
> + reg = <0x98000000 0x04000000>; /* 64M */
> + };
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> +
> + fault {
> + gpios = <&gpio ASPEED_GPIO(N, 2) GPIO_ACTIVE_LOW>;
> + };
> +
> + identify {
> + gpios = <&gpio ASPEED_GPIO(N, 4) GPIO_ACTIVE_HIGH>;
> + };
> +
> + power {
> + 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(AA, 2) 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>;
> + };
> +
> + gpio-keys {
> + compatible = "gpio-keys";
> +
> + checkstop {
> + label = "checkstop";
> + gpios = <&gpio ASPEED_GPIO(J, 2) GPIO_ACTIVE_LOW>;
> + linux,code = <ASPEED_GPIO(J, 2)>;
> + };
> + };
> +};
> +
> +&fmc {
> + status = "okay";
> +
> + flash@0 {
> + status = "okay";
> + label = "pnor";
> + m25p,fast-read;
> +#include "openbmc-flash-layout.dtsi"
> + };
> +};
> +
> +&spi1 {
> + status = "okay";
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_spi1_default>;
> +
> + flash@0 {
> + status = "okay";
> + label = "pnor";
> + m25p,fast-read;
> };
> };


hmm, the fmc and spi1 bindings were already added in commit 1142aea9ff9d.


> @@ -38,6 +101,7 @@
> status = "okay";
> m25p,fast-read;
> label = "bmc";
> +#include "openbmc-flash-layout.dtsi"


This looks like an extra "fmc" node ?

> };
> };
>
> @@ -53,6 +117,12 @@
> };
> };
>
> +&lpc_ctrl {
> + status = "okay";
> + memory-region = <&flash_memory>;
> + flash = <&spi1>;
> +};
> +
> &uart1 {
> /* Rear RS-232 connector */
> status = "okay";
> @@ -81,6 +151,10 @@
> pinctrl-0 = <&pinctrl_rmii1_default>;
> };
>
> +&i2c1 {
> + status = "okay";
> +};
> +
> &i2c2 {
> status = "okay";
> };
> @@ -133,8 +207,77 @@
>
> &i2c12 {
> status = "okay";
> +
> + max31785@52 {
> + compatible = "maxim,max31785";
> + reg = <0x52>;
> + };
> +};
> +
> +&gpio {
> + nic_func_mode0 {
> + gpio-hog;
> + gpios = <ASPEED_GPIO(D, 3) GPIO_ACTIVE_HIGH>;
> + output-low;
> + line-name = "nic_func_mode0";
> + };
> + nic_func_mode1 {
> + gpio-hog;
> + gpios = <ASPEED_GPIO(D, 4) GPIO_ACTIVE_HIGH>;
> + output-low;
> + line-name = "nic_func_mode1";
> + };
> };
>
> &vuart {
> status = "okay";
> };
> +
> +&gfx {
> + status = "okay";
> +};
> +
> +&pinctrl {
> + aspeed,external-nodes = <&gfx &lhc>;
> +};
> +
> +&pwm_tacho {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_pwm0_default &pinctrl_pwm1_default>;
> +
> + fan@0 {
> + reg = <0x00>;
> + aspeed,fan-tach-ch = /bits/ 8 <0x08>;
> + };
> +
> + fan@1 {
> + reg = <0x00>;
> + aspeed,fan-tach-ch = /bits/ 8 <0x09>;
> + };
> +
> + fan@2 {
> + reg = <0x01>;
> + aspeed,fan-tach-ch = /bits/ 8 <0x0a>;
> + };
> +
> + fan@3 {
> + reg = <0x01>;
> + aspeed,fan-tach-ch = /bits/ 8 <0x0b>;
> + };
> +
> + fan@4 {
> + reg = <0x00>;
> + aspeed,fan-tach-ch = /bits/ 8 <0x0c>;
> + };
> +
> + fan@5 {
> + reg = <0x00>;
> + aspeed,fan-tach-ch = /bits/ 8 <0x0d>;
> + };
> +
> + fan@6 {
> + reg = <0x01>;
> + aspeed,fan-tach-ch = /bits/ 8 <0x0e>;
> + };
> +};
>