Re: [PATCH v3 13/14] ARM: dts: aspeed: Add IBM P11 Blueridge BMC system

Eddie James
2024-04-26T13:23:09Z

On 4/26/24 01:35, Krzysztof Kozlowski wrote:
> On 25/04/2024 23:37, Eddie James wrote:
>> Add the device tree for the new BMC system. The Blueridge is a
>> P11 system with four processors.
>>
>> Signed-off-by: Eddie James <eajames@linux.ibm.com>
>> ---
>> .../dts/aspeed/aspeed-bmc-ibm-blueridge.dts | 1711 +++++++++++++++++
>> 1 file changed, 1711 insertions(+)
>> create mode 100644 arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-blueridge.dts
>>
>> diff --git a/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-blueridge.dts b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-blueridge.dts
>> new file mode 100644
>> index 000000000000..8503ce2480b5
>> --- /dev/null
>> +++ b/arch/arm/boot/dts/aspeed/aspeed-bmc-ibm-blueridge.dts
>> @@ -0,0 +1,1711 @@
>> +// SPDX-License-Identifier: GPL-2.0-or-later
>> +// Copyright 2024 IBM Corp.
>> +/dts-v1/;
>> +
>> +#include "aspeed-g6.dtsi"
>> +#include <dt-bindings/gpio/aspeed-gpio.h>
>> +#include <dt-bindings/i2c/i2c.h>
>> +#include <dt-bindings/leds/leds-pca955x.h>
>> +
>> +/ {
>> + model = "Blueridge";
>> + compatible = "ibm,blueridge-bmc", "aspeed,ast2600";
>> +
>> + aliases {
>> + serial4 = &uart5;
>> + i2c16 = &i2c2mux0;
>> + i2c17 = &i2c2mux1;
>> + i2c18 = &i2c2mux2;
>> + i2c19 = &i2c2mux3;
>> + i2c20 = &i2c4mux0chn0;
>> + i2c21 = &i2c4mux0chn1;
>> + i2c22 = &i2c4mux0chn2;
>> + i2c23 = &i2c5mux0chn0;
>> + i2c24 = &i2c5mux0chn1;
>> + i2c25 = &i2c6mux0chn0;
>> + i2c26 = &i2c6mux0chn1;
>> + i2c27 = &i2c6mux0chn2;
>> + i2c28 = &i2c6mux0chn3;
>> + i2c29 = &i2c11mux0chn0;
>> + i2c30 = &i2c11mux0chn1;
>> + };
>> +
>> + chosen {
>> + stdout-path = &uart5;
>> + bootargs = "console=ttyS4,115200n8 earlycon";
> Drop bootargs. ALWAYS.
>
>
>> + };
>> +
>> + memory@80000000 {
>> + device_type = "memory";
>> + reg = <0x80000000 0x40000000>;
>> + };
>> +
>> + reserved-memory {
>> + #address-cells = <1>;
>> + #size-cells = <1>;
>> + ranges;
>> +
>> + event_log: tcg_event_log@b3d00000 {
> No underscores.
>
> Didn't you already received such basic review?

Thanks for your detailed review Krzysztof. These device trees are based
off 5 year old device trees that were merged when the rules were much
less strict. I will attempt to address all of your comments for these
new dts.

Thanks,

Eddie

>
>
>> + no-map;
>> + reg = <0xb3d00000 0x100000>;
>> + };
>> +
>> + ramoops@b3e00000 {
>> + compatible = "ramoops";
>> + reg = <0xb3e00000 0x200000>; /* 16 * (4 * 0x8000) */
>> + record-size = <0x8000>;
>> + console-size = <0x8000>;
>> + ftrace-size = <0x8000>;
>> + pmsg-size = <0x8000>;
>> + max-reason = <3>; /* KMSG_DUMP_EMERG */
>> + };
>> +
>> + /* LPC FW cycle bridge region requires natural alignment */
>> + flash_memory: region@b4000000 {
>> + no-map;
>> + reg = <0xb4000000 0x04000000>; /* 64M */
>> + };
>> +
>> + /* VGA region is dictated by hardware strapping */
>> + vga_memory: region@bf000000 {
>> + no-map;
>> + compatible = "shared-dma-pool";
>> + reg = <0xbf000000 0x01000000>; /* 16M */
>> + };
>> + };
>> +
>> + i2c2mux: i2cmux {
>> + compatible = "i2c-mux-gpio";
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + status = "okay";
> ??? Drop
>
>
>> +
>> + i2c-parent = <&i2c2>;
>> + mux-gpios = <&gpio0 ASPEED_GPIO(G, 4) GPIO_ACTIVE_HIGH>,
>> + <&gpio0 ASPEED_GPIO(G, 5) GPIO_ACTIVE_HIGH>;
>> + idle-state = <0>;
>> +
>> + i2c2mux0: i2c@0 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + reg = <0>;
>> + };
>> +
>> + i2c2mux1: i2c@1 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + reg = <1>;
>> + };
>> +
>> + i2c2mux2: i2c@2 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + reg = <2>;
>> + };
>> +
>> + i2c2mux3: i2c@3 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + reg = <3>;
>> + };
>> + };
>> +
>> + leds {
>> + compatible = "gpio-leds";
>> +
>> + /* BMC Card fault LED at the back */
>> + led-bmc-ingraham0 {
>> + gpios = <&gpio0 ASPEED_GPIO(H, 1) GPIO_ACTIVE_LOW>;
>> + };
>> +
>> + /* Enclosure ID LED at the back */
>> + led-rear-enc-id0 {
>> + gpios = <&gpio0 ASPEED_GPIO(H, 2) GPIO_ACTIVE_LOW>;
>> + };
>> +
>> + /* Enclosure fault LED at the back */
>> + led-rear-enc-fault0 {
>> + gpios = <&gpio0 ASPEED_GPIO(H, 3) GPIO_ACTIVE_LOW>;
>> + };
>> +
>> + /* PCIE slot power LED */
>> + led-pcieslot-power {
>> + gpios = <&gpio0 ASPEED_GPIO(P, 4) GPIO_ACTIVE_LOW>;
>> + };
>> + };
>> +
>> + gpio-keys-polled {
>> + compatible = "gpio-keys-polled";
>> + poll-interval = <1000>;
>> +
>> + event-fan0-presence {
>> + label = "fan0-presence";
>> + gpios = <&pca0 6 GPIO_ACTIVE_LOW>;
>> + linux,code = <6>;
>> + };
>> +
>> + event-fan1-presence {
>> + label = "fan1-presence";
>> + gpios = <&pca0 7 GPIO_ACTIVE_LOW>;
>> + linux,code = <7>;
>> + };
>> +
>> + event-fan2-presence {
>> + label = "fan2-presence";
>> + gpios = <&pca0 8 GPIO_ACTIVE_LOW>;
>> + linux,code = <8>;
>> + };
>> +
>> + event-fan3-presence {
>> + label = "fan3-presence";
>> + gpios = <&pca0 9 GPIO_ACTIVE_LOW>;
>> + linux,code = <9>;
>> + };
>> +
>> + event-fan4-presence {
>> + label = "fan4-presence";
>> + gpios = <&pca0 10 GPIO_ACTIVE_LOW>;
>> + linux,code = <10>;
>> + };
>> +
>> + event-fan5-presence {
>> + label = "fan5-presence";
>> + gpios = <&pca0 11 GPIO_ACTIVE_LOW>;
>> + linux,code = <11>;
>> + };
>> + };
>> +
>> + iio-hwmon {
>> + compatible = "iio-hwmon";
>> + io-channels = <&adc1 7>;
>> + };
>> +};
>> +
>> +&adc1 {
>> + status = "okay";
>> + aspeed,int-vref-microvolt = <2500000>;
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&pinctrl_adc8_default &pinctrl_adc9_default
>> + &pinctrl_adc10_default &pinctrl_adc11_default
>> + &pinctrl_adc12_default &pinctrl_adc13_default
>> + &pinctrl_adc14_default &pinctrl_adc15_default>;
>> +};
>> +
>> +&ehci1 {
>> + status = "okay";
>> +};
>> +
>> +&uhci {
>> + status = "okay";
>> +};
>> +
>> +&gpio0 {
>> + gpio-line-names =
>> + /*A0-A7*/ "","","","","","","","",
>> + /*B0-B7*/ "","","","","","","checkstop","",
>> + /*C0-C7*/ "","","","","","","","",
>> + /*D0-D7*/ "","","","","","","","",
>> + /*E0-E7*/ "","","","","","","","",
>> + /*F0-F7*/ "","","rtc-battery-voltage-read-enable","reset-cause-pinhole","","","factory-reset-toggle","",
>> + /*G0-G7*/ "","","","","","","","",
>> + /*H0-H7*/ "","bmc-ingraham0","rear-enc-id0","rear-enc-fault0","","","","",
>> + /*I0-I7*/ "","","","","","","bmc-secure-boot","",
>> + /*J0-J7*/ "","","","","","","","",
>> + /*K0-K7*/ "","","","","","","","",
>> + /*L0-L7*/ "","","","","","","","",
>> + /*M0-M7*/ "","","","","","","","",
>> + /*N0-N7*/ "","","","","","","","",
>> + /*O0-O7*/ "","","","usb-power","","","","",
>> + /*P0-P7*/ "","","","","pcieslot-power","","","",
>> + /*Q0-Q7*/ "cfam-reset","","regulator-standby-faulted","","","","","",
>> + /*R0-R7*/ "bmc-tpm-reset","power-chassis-control","power-chassis-good","","","","","",
>> + /*S0-S7*/ "presence-ps0","presence-ps1","presence-ps2","presence-ps3",
>> + "power-ffs-sync-history","","","",
>> + /*T0-T7*/ "","","","","","","","",
>> + /*U0-U7*/ "","","","","","","","",
>> + /*V0-V7*/ "","","","","","","","",
>> + /*W0-W7*/ "","","","","","","","",
>> + /*X0-X7*/ "","","","","","","","",
>> + /*Y0-Y7*/ "","","","","","","","",
>> + /*Z0-Z7*/ "","","","","","","","";
>> +
>> + i2c3_mux_oe_n-hog {
>> + gpio-hog;
>> + gpios = <ASPEED_GPIO(G, 6) GPIO_ACTIVE_LOW>;
>> + output-high;
>> + line-name = "I2C3_MUX_OE_N";
>> + };
>> +
>> + usb_power-hog {
>> + gpio-hog;
>> + gpios = <ASPEED_GPIO(O, 3) GPIO_ACTIVE_LOW>;
>> + output-high;
>> + };
>> +};
>> +
>> +&emmc_controller {
>> + status = "okay";
>> +};
>> +
>> +&pinctrl_emmc_default {
>> + bias-disable;
>> +};
>> +
>> +&emmc {
>> + status = "okay";
>> + clk-phase-mmc-hs200 = <180>, <180>;
>> +};
>> +
>> +&ibt {
>> + status = "okay";
>> +};
>> +
>> +&i2c0 {
>> + status = "okay";
>> +
>> + eeprom@51 {
>> + compatible = "atmel,24c64";
>> + reg = <0x51>;
>> + };
>> +
>> + tca_pres1: tca9554@20{
> Node names should be generic. See also an explanation and list of
> examples (not exhaustive) in DT specification:
> https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
>
> Also missing space before {
>
>
>> + compatible = "ti,tca9554";
>> + reg = <0x20>;
>> + gpio-controller;
>> + #gpio-cells = <2>;
>> +
>> + gpio-line-names = "",
>> + "RUSSEL_FW_I2C_ENABLE_N",
>> + "RUSSEL_OPPANEL_PRESENCE_N",
>> + "BLYTH_OPPANEL_PRESENCE_N",
>> + "CPU_TPM_CARD_PRESENT_N",
>> + "DASD_BP2_PRESENT_N",
>> + "DASD_BP1_PRESENT_N",
>> + "DASD_BP0_PRESENT_N";
>> + };
>> +};
>> +
>> +&i2c1 {
>> + status = "okay";
>> +};
>> +
>> +&i2c2 {
>> + status = "okay";
>> +};
>> +
>> +&i2c3 {
>> + status = "okay";
>> +
>> + power-supply@68 {
>> + compatible = "ibm,cffps";
>> + reg = <0x68>;
>> + };
>> +
>> + power-supply@69 {
>> + compatible = "ibm,cffps";
>> + reg = <0x69>;
>> + };
>> +
>> + pca_pres1: pca9552@61 {
> Node names should be generic. See also an explanation and list of
> examples (not exhaustive) in DT specification:
> https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
>
>
>> + compatible = "nxp,pca9552";
>> + reg = <0x61>;
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> +
>> + gpio-controller;
>> + #gpio-cells = <2>;
>> +
>> + gpio-line-names =
>> + "SLOT0_PRSNT_EN_RSVD", "SLOT1_PRSNT_EN_RSVD",
>> + "SLOT2_PRSNT_EN_RSVD", "SLOT3_PRSNT_EN_RSVD",
>> + "SLOT4_PRSNT_EN_RSVD", "SLOT0_EXPANDER_PRSNT_N",
>> + "SLOT1_EXPANDER_PRSNT_N", "SLOT2_EXPANDER_PRSNT_N",
>> + "SLOT3_EXPANDER_PRSNT_N", "SLOT4_EXPANDER_PRSNT_N",
>> + "", "", "", "", "", "";
>> + };
>> +};
>> +
>> +&i2c4 {
>> + status = "okay";
>> +
>> + tmp275@48 {
> Node names should be generic. See also an explanation and list of
> examples (not exhaustive) in DT specification:
> https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
>
>
>
>> + compatible = "ti,tmp275";
>> + reg = <0x48>;
>> + };
>> +
>> + tmp275@49 {
> So it's everywhere...
>
>> + compatible = "ti,tmp275";
>> + reg = <0x49>;
>> + };
>> +
>> + tmp275@4a {
>> + compatible = "ti,tmp275";
>> + reg = <0x4a>;
>> + };
>> +
>> + i2c-mux@70 {
>> + compatible = "nxp,pca9546";
>> + reg = <0x70>;
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + status = "okay";
> Why? Drop
>
>> + i2c-mux-idle-disconnect;
>> +
>> + i2c4mux0chn0: i2c@0 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + reg = <0>;
>> +
>> + eeprom@50 {
>> + compatible = "atmel,24c64";
>> + reg = <0x50>;
>> + };
>> +
>> + pca9551@60 {
> Node names should be generic. See also an explanation and list of
> examples (not exhaustive) in DT specification:
> https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
>
>
>> + compatible = "nxp,pca9551";
>> + reg = <0x60>;
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> +
>> + gpio-controller;
>> + #gpio-cells = <2>;
>> +
>> + led@0 {
>> + label = "cablecard0-cxp-top";
>> + reg = <0>;
>> + retain-state-shutdown;
>> + default-state = "keep";
>> + type = <PCA955X_TYPE_LED>;
>> + };
>> +
>> + led@1 {
>> + label = "cablecard0-cxp-bot";
>> + reg = <1>;
>> + retain-state-shutdown;
>> + default-state = "keep";
>> + type = <PCA955X_TYPE_LED>;
>> + };
>> + };
>> + };
>> +
>> + i2c4mux0chn1: i2c@1 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + reg = <1>;
> reg is after compatible, which means if there is no compatible, reg is
> always first. This applies you all your DTS patches. This patchset and
> future.
>
>
>> +
>> + eeprom@51 {
>> + compatible = "atmel,24c64";
>> + reg = <0x51>;
>> + };
>> + };
>> +
>> + i2c4mux0chn2: i2c@2 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + reg = <2>;
>> +
>> + eeprom@52 {
>> + compatible = "atmel,24c64";
>> + reg = <0x52>;
>> + };
>> + };
>> + };
>> +};
>> +
>> +&i2c5 {
>> + status = "okay";
>> +
>> + tmp275@48 {
> Node names should be generic. See also an explanation and list of
> examples (not exhaustive) in DT specification:
> https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
>
>
>> + compatible = "ti,tmp275";
>> + reg = <0x48>;
>> + };
>> +
>> + tmp275@49 {
>> + compatible = "ti,tmp275";
>> + reg = <0x49>;
>> + };
>> +
>> + i2c-mux@70 {
>> + compatible = "nxp,pca9546";
>> + reg = <0x70>;
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + status = "okay";
> Drop
>
>
>> + i2c-mux-idle-disconnect;
>> +
>> + i2c5mux0chn0: i2c@0 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + reg = <0>;
>> +
>> + eeprom@50 {
>> + compatible = "atmel,24c64";
>> + reg = <0x50>;
>> + };
>> +
>> + pca9551@60 {
>> + compatible = "nxp,pca9551";
>> + reg = <0x60>;
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> +
>> + gpio-controller;
>> + #gpio-cells = <2>;
>> +
>> + led@0 {
>> + label = "cablecard3-cxp-top";
>> + reg = <0>;
>> + retain-state-shutdown;
>> + default-state = "keep";
>> + type = <PCA955X_TYPE_LED>;
>> + };
>> +
>> + led@1 {
>> + label = "cablecard3-cxp-bot";
>> + reg = <1>;
>> + retain-state-shutdown;
>> + default-state = "keep";
>> + type = <PCA955X_TYPE_LED>;
>> + };
>> + };
>> + };
>> +
>> + i2c5mux0chn1: i2c@1 {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + reg = <1>;
>> +
>> + eeprom@51 {
>> + compatible = "atmel,24c64";
>> + reg = <0x51>;
>> + };
>> +
>> + pca9551@61 {
>> + compatible = "nxp,pca9551";
>> + reg = <0x61>;
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>
> And here you have correct order of properties...
>
>
>
> Best regards,
> Krzysztof
>