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Message-ID: <aed12dee-9675-92a6-82b7-0a6d605738db@linaro.org>
Date: Sat, 27 Aug 2022 12:17:09 +0300
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Eddie James <eajames@...ux.ibm.com>, joel@....id.au
Cc: andrew@...id.au, krzysztof.kozlowski+dt@...aro.org,
robh+dt@...nel.org, soc@...nel.org, olof@...om.net, arnd@...db.de,
linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-aspeed@...ts.ozlabs.org,
wrightj@...ux.ibm.com
Subject: Re: [PATCH] ARM: dts: aspeed: Add IBM Bonnell system BMC devicetree
On 26/08/2022 22:51, Eddie James wrote:
> Bonnell is an IBM Power10 server system with an AST2600 BMC.
>
> Signed-off-by: Eddie James <eajames@...ux.ibm.com>
> Reviewed-by: Jim Wright <wrightj@...ux.ibm.com>
> Signed-off-by: Joel Stanley <joel@....id.au>
> ---
> arch/arm/boot/dts/Makefile | 1 +
> arch/arm/boot/dts/aspeed-bmc-ibm-bonnell.dts | 909 +++++++++++++++++++
> 2 files changed, 910 insertions(+)
> create mode 100644 arch/arm/boot/dts/aspeed-bmc-ibm-bonnell.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index e49185119b5b..add4d52ab718 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -1594,6 +1594,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
> aspeed-bmc-facebook-wedge400.dtb \
> aspeed-bmc-facebook-yamp.dtb \
> aspeed-bmc-facebook-yosemitev2.dtb \
> + aspeed-bmc-ibm-bonnell.dtb \
> aspeed-bmc-ibm-everest.dtb \
> aspeed-bmc-ibm-rainier.dtb \
> aspeed-bmc-ibm-rainier-1s4u.dtb \
> diff --git a/arch/arm/boot/dts/aspeed-bmc-ibm-bonnell.dts b/arch/arm/boot/dts/aspeed-bmc-ibm-bonnell.dts
> new file mode 100644
> index 000000000000..6789c1ec286a
> --- /dev/null
> +++ b/arch/arm/boot/dts/aspeed-bmc-ibm-bonnell.dts
> @@ -0,0 +1,909 @@
> +// SPDX-License-Identifier: GPL-2.0-or-later
> +// Copyright 2022 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 = "Bonnell";
> + compatible = "ibm,bonnell-bmc", "aspeed,ast2600";
Missing bindings documentation.
> +
> + aliases {
> + i2c100 = &cfam0_i2c0;
> + i2c101 = &cfam0_i2c1;
> + i2c110 = &cfam0_i2c10;
> + i2c111 = &cfam0_i2c11;
> + i2c112 = &cfam0_i2c12;
> + i2c113 = &cfam0_i2c13;
> + i2c114 = &cfam0_i2c14;
> + i2c115 = &cfam0_i2c15;
> + i2c202 = &cfam1_i2c2;
> + i2c203 = &cfam1_i2c3;
> + i2c210 = &cfam1_i2c10;
> + i2c211 = &cfam1_i2c11;
> + i2c214 = &cfam1_i2c14;
> + i2c215 = &cfam1_i2c15;
> + i2c216 = &cfam1_i2c16;
> + i2c217 = &cfam1_i2c17;
> +
> + serial4 = &uart5;
> + i2c16 = &i2c11mux0chn0;
> + i2c17 = &i2c11mux0chn1;
> + i2c18 = &i2c11mux0chn2;
> + i2c19 = &i2c11mux0chn3;
> +
> + spi10 = &cfam0_spi0;
> + spi11 = &cfam0_spi1;
> + spi12 = &cfam0_spi2;
> + spi13 = &cfam0_spi3;
> + spi20 = &cfam1_spi0;
> + spi21 = &cfam1_spi1;
> + spi22 = &cfam1_spi2;
> + spi23 = &cfam1_spi3;
> +
No need for space.
> + };
> +
> + chosen {
> + stdout-path = &uart5;
> + bootargs = "console=ttyS4,115200n8 earlycon";
bootargs do no belong to mainline DTS. console is defined in stcdut-path
and earlycon is for debugging, not for production/final use.
Remove entire bootargs.
> + };
> +
> + memory@...00000 {
> + device_type = "memory";
> + reg = <0x80000000 0x40000000>;
> + };
> +
> + reserved-memory {
> + #address-cells = <1>;
> + #size-cells = <1>;
> + ranges;
> +
> + flash_memory: region@...00000 {
> + no-map;
> + reg = <0xb8000000 0x04000000>; /* 64M */
> + };
> +
> + ramoops@...00000 {
> + compatible = "ramoops";
> + reg = <0xbc000000 0x200000>; /* 16 * (4 * 0x8000) */
> + record-size = <0x8000>;
> + console-size = <0x8000>;
> + ftrace-size = <0x8000>;
> + pmsg-size = <0x8000>;
> + max-reason = <3>; /* KMSG_DUMP_EMERG */
> + };
> +
> + vga_memory: region@...00000 {
> + no-map;
> + compatible = "shared-dma-pool";
> + reg = <0xbf000000 0x01000000>; /* 16M */
> + };
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> +
> + fan0 {
This does no pass the schema. It seems you did not check the DTS. Run
`make dtbs_check` and fix all errors. You need generic node names here.
> + gpios = <&gpio0 ASPEED_GPIO(G, 0) GPIO_ACTIVE_LOW>;
> + };
> +
> + fan1 {
> + gpios = <&gpio0 ASPEED_GPIO(G, 1) GPIO_ACTIVE_LOW>;
> + };
> +
> + rear-enc-id0 {
> + gpios = <&gpio0 ASPEED_GPIO(H, 2) GPIO_ACTIVE_LOW>;
> + };
> +
> + rear-enc-fault0 {
> + gpios = <&gpio0 ASPEED_GPIO(H, 3) GPIO_ACTIVE_LOW>;
> + };
> + };
> +
> + gpio-keys-polled {
gpio-keys
> + compatible = "gpio-keys-polled";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + poll-interval = <1000>;
> +
> + fan0-presence {
Same problem as with leds.
> + label = "fan0-presence";
> + gpios = <&gpio0 ASPEED_GPIO(F, 4) GPIO_ACTIVE_LOW>;
> + linux,code = <6>;
> + };
> +
> + fan1-presence {
> + label = "fan1-presence";
> + gpios = <&gpio0 ASPEED_GPIO(F, 5) GPIO_ACTIVE_LOW>;
> + linux,code = <7>;
> + };
> + };
> +
> + iio-hwmon-battery {
> + 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","","","","",
> + /*G0-G7*/ "fan0","fan1","","","","","","",
> + /*H0-H7*/ "","","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*/ "","","","","","","","",
> + /*Q0-Q7*/ "cfam-reset","","regulator-standby-faulted","","","","","",
> + /*R0-R7*/ "bmc-tpm-reset","power-chassis-control","power-chassis-good","","","","","",
> + /*S0-S7*/ "presence-ps0","presence-ps1","","","power-ffs-sync-history","","","",
> + /*T0-T7*/ "","","","","","","","",
> + /*U0-U7*/ "","","","","","","","",
> + /*V0-V7*/ "","","","","","","","",
> + /*W0-W7*/ "","","","","","","","",
> + /*X0-X7*/ "","","","","","","","",
> + /*Y0-Y7*/ "","","","","","","","",
> + /*Z0-Z7*/ "","","","","","","","";
> +
> + usb_power {
> + 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>;
> +};
> +
> +&fsim0 {
> + status = "okay";
> +
> + #address-cells = <2>;
> + #size-cells = <0>;
> +
> + cfam-reset-gpios = <&gpio0 ASPEED_GPIO(Q, 0) GPIO_ACTIVE_HIGH>;
> +
> + cfam@0,0 {
> + reg = <0 0>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + chip-id = <0>;
> +
> + scom@...0 {
> + compatible = "ibm,fsi2pib";
Undocumented compatibles. Run checkpatch on your code. All compatibles
must be documented.
> + reg = <0x1000 0x400>;
> + };
> +
> + i2c@...0 {
> + compatible = "ibm,fsi-i2c-master";
> + reg = <0x1800 0x400>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + cfam0_i2c0: i2c-bus@0 {
> + reg = <0>; /* OMI01 */
> + };
> +
> + cfam0_i2c1: i2c-bus@1 {
> + reg = <1>; /* OMI23 */
> + };
> +
> + cfam0_i2c10: i2c-bus@a {
> + reg = <10>; /* OP3A */
> + };
> +
> + cfam0_i2c11: i2c-bus@b {
> + reg = <11>; /* OP3B */
> + };
> +
> + cfam0_i2c12: i2c-bus@c {
> + reg = <12>; /* OP4A */
> + };
> +
> + cfam0_i2c13: i2c-bus@d {
> + reg = <13>; /* OP4B */
> + };
> +
> + cfam0_i2c14: i2c-bus@e {
> + reg = <14>; /* OP5A */
> + };
> +
> + cfam0_i2c15: i2c-bus@f {
> + reg = <15>; /* OP5B */
> + };
> + };
> +
> + fsi2spi@...0 {
> + compatible = "ibm,fsi2spi";
> + reg = <0x1c00 0x400>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + cfam0_spi0: spi@0 {
> + reg = <0x0>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + eeprom@0 {
> + at25,byte-len = <0x80000>;
> + at25,addr-mode = <4>;
> + at25,page-size = <256>;
> +
> + compatible = "atmel,at25";
> + reg = <0>;
> + spi-max-frequency = <1000000>;
> + };
> + };
> +
> + cfam0_spi1: spi@20 {
> + reg = <0x20>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + eeprom@0 {
> + at25,byte-len = <0x80000>;
> + at25,addr-mode = <4>;
> + at25,page-size = <256>;
> +
> + compatible = "atmel,at25";
> + reg = <0>;
compatible and reg go first in properties. This applies everywhere.
> + spi-max-frequency = <1000000>;
> + };
> + };
> +
> + cfam0_spi2: spi@40 {
> + reg = <0x40>;
> + compatible = "ibm,fsi2spi-restricted";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + eeprom@0 {
> + at25,byte-len = <0x80000>;
> + at25,addr-mode = <4>;
> + at25,page-size = <256>;
> +
> + compatible = "atmel,at25";
> + reg = <0>;
> + spi-max-frequency = <1000000>;
> + };
> + };
> +
> + cfam0_spi3: spi@60 {
> + reg = <0x60>;
> + compatible = "ibm,fsi2spi-restricted";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + eeprom@0 {
> + at25,byte-len = <0x80000>;
> + at25,addr-mode = <4>;
> + at25,page-size = <256>;
> +
> + compatible = "atmel,at25";
> + reg = <0>;
> + spi-max-frequency = <1000000>;
> + };
> + };
> + };
> +
> + sbefifo@...0 {
> + compatible = "ibm,p9-sbefifo";
> + reg = <0x2400 0x400>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + fsi_occ0: occ {
> + compatible = "ibm,p10-occ";
> + };
> + };
> +
> + fsi_hub0: hub@...0 {
> + compatible = "fsi-master-hub";
> + reg = <0x3400 0x400>;
> + #address-cells = <2>;
> + #size-cells = <0>;
> + };
> + };
> +};
> +
> +&fsi_hub0 {
> + cfam@1,0 {
> + reg = <1 0>;
> + #address-cells = <1>;
> + #size-cells = <1>;
> + chip-id = <1>;
> +
> + scom@...0 {
> + compatible = "ibm,fsi2pib";
> + reg = <0x1000 0x400>;
> + };
> +
> + i2c@...0 {
> + compatible = "ibm,fsi-i2c-master";
> + reg = <0x1800 0x400>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + cfam1_i2c2: i2c-bus@2 {
> + reg = <2>; /* OMI45 */
> + };
> +
> + cfam1_i2c3: i2c-bus@3 {
> + reg = <3>; /* OMI67 */
> + };
> +
> + cfam1_i2c10: i2c-bus@a {
> + reg = <10>; /* OP3A */
> + };
> +
> + cfam1_i2c11: i2c-bus@b {
> + reg = <11>; /* OP3B */
> + };
> +
> + cfam1_i2c14: i2c-bus@e {
> + reg = <14>; /* OP5A */
> + };
> +
> + cfam1_i2c15: i2c-bus@f {
> + reg = <15>; /* OP5B */
> + };
> +
> + cfam1_i2c16: i2c-bus@10 {
> + reg = <16>; /* OP6A */
> + };
> +
> + cfam1_i2c17: i2c-bus@11 {
> + reg = <17>; /* OP6B */
> + };
> + };
> +
> + fsi2spi@...0 {
> + compatible = "ibm,fsi2spi";
> + reg = <0x1c00 0x400>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + cfam1_spi0: spi@0 {
> + reg = <0x0>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + eeprom@0 {
> + at25,byte-len = <0x80000>;
> + at25,addr-mode = <4>;
> + at25,page-size = <256>;
> +
> + compatible = "atmel,at25";
> + reg = <0>;
> + spi-max-frequency = <1000000>;
> + };
> + };
> +
> + cfam1_spi1: spi@20 {
> + reg = <0x20>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + eeprom@0 {
> + at25,byte-len = <0x80000>;
> + at25,addr-mode = <4>;
> + at25,page-size = <256>;
> +
> + compatible = "atmel,at25";
> + reg = <0>;
> + spi-max-frequency = <1000000>;
> + };
> + };
> +
> + cfam1_spi2: spi@40 {
> + reg = <0x40>;
> + compatible = "ibm,fsi2spi-restricted";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + eeprom@0 {
> + at25,byte-len = <0x80000>;
> + at25,addr-mode = <4>;
> + at25,page-size = <256>;
> +
> + compatible = "atmel,at25";
> + reg = <0>;
> + spi-max-frequency = <1000000>;
> + };
> + };
> +
> + cfam1_spi3: spi@60 {
> + reg = <0x60>;
> + compatible = "ibm,fsi2spi-restricted";
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + eeprom@0 {
> + at25,byte-len = <0x80000>;
> + at25,addr-mode = <4>;
> + at25,page-size = <256>;
> +
> + compatible = "atmel,at25";
> + reg = <0>;
> + spi-max-frequency = <1000000>;
> + };
> + };
> + };
> +
> + sbefifo@...0 {
> + compatible = "ibm,p9-sbefifo";
> + reg = <0x2400 0x400>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + fsi_occ1: occ {
> + compatible = "ibm,p10-occ";
> + };
> + };
> +
> + fsi_hub1: hub@...0 {
> + compatible = "fsi-master-hub";
> + reg = <0x3400 0x400>;
> + #address-cells = <2>;
> + #size-cells = <0>;
> +
> + no-scan-on-init;
> + };
> + };
> +};
> +
> +&ibt {
> + status = "okay";
> +};
> +
> +&i2c0 {
> + status = "okay";
> +
> + eeprom@51 {
> + compatible = "atmel,24c64";
> + reg = <0x51>;
> + };
> +
> + tca9554@20 {
Node names should be generic.
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
> + compatible = "ti,tca9554";
> + reg = <0x20>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + 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_BP_PRESENT_N";
> + };
> +};
> +
> +&i2c1 {
> + status = "okay";
> +};
> +
> +&i2c2 {
> + status = "okay";
> +
> + ucd90160@64 {
> + compatible = "ti,ucd90160";
> + reg = <0x64>;
> + };
> +};
> +
> +&i2c3 {
> + status = "okay";
> +
> + power-supply@58 {
> + compatible = "ibm,cffps";
> + reg = <0x58>;
> + };
> +
> + power-supply@59 {
> + compatible = "ibm,cffps";
> + reg = <0x59>;
> + };
> +};
> +
> +&i2c4 {
> + status = "okay";
> +};
> +
> +&i2c5 {
> + status = "okay";
> +};
> +
> +&i2c6 {
> + status = "okay";
> +};
> +
> +&i2c7 {
> + multi-master;
> + status = "okay";
> +
> + si7021-a20@40 {
Node names should be generic.
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
> + compatible = "silabs,si7020";
> + reg = <0x40>;
> + };
> +
> + tmp275@48 {
Node names should be generic.
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
> + compatible = "ti,tmp275";
> + reg = <0x48>;
> + };
> +
> + eeprom@50 {
> + compatible = "atmel,24c64";
> + reg = <0x50>;
> + };
> +
> + eeprom@51 {
> + compatible = "atmel,24c64";
> + reg = <0x51>;
> + };
> +
> + max31785@52 {
Node names should be generic.
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
> + compatible = "maxim,max31785a";
> + reg = <0x52>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + fan0: fan@0 {
> + compatible = "pmbus-fan";
> + reg = <0>;
> + tach-pulses = <2>;
> + };
> +
> + fan1: fan@1 {
> + compatible = "pmbus-fan";
> + reg = <1>;
> + tach-pulses = <2>;
> + };
> + };
> +
> + pca9551@60 {
Node names should be generic.
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 = "front-sys-id0";
> + reg = <0>;
> + retain-state-shutdown;
> + default-state = "keep";
> + type = <PCA955X_TYPE_LED>;
> + };
> +
> + led@1 {
> + label = "front-check-log0";
> + reg = <1>;
> + retain-state-shutdown;
> + default-state = "keep";
> + type = <PCA955X_TYPE_LED>;
> + };
> +
> + led@2 {
> + label = "front-enc-fault1";
> + reg = <2>;
> + retain-state-shutdown;
> + default-state = "keep";
> + type = <PCA955X_TYPE_LED>;
> + };
> +
> + led@3 {
> + label = "front-sys-pwron0";
> + reg = <3>;
> + retain-state-shutdown;
> + default-state = "keep";
> + type = <PCA955X_TYPE_LED>;
> + };
> + };
> +
> + ibm-panel@62 {
> + compatible = "ibm,op-panel";
> + reg = <(0x62 | I2C_OWN_SLAVE_ADDRESS)>;
> + };
> +
> + dps: dps310@76 {
Node names should be generic.
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation
> + compatible = "infineon,dps310";
> + reg = <0x76>;
> + #io-channel-cells = <0>;
> + };
> +};
> +
> +&i2c8 {
> + status = "okay";
> +
> + rtc@32 {
> + compatible = "epson,rx8900";
> + reg = <0x32>;
> + };
> +
> + tmp275@48 {
Seriously... I'll stop review.
Best regards,
Krzysztof
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