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Message-ID: <CACPK8Xcr+OauMH2NFSOKF7TZ2HDDnpqPvbnqg17YbKmhroqBMw@mail.gmail.com>
Date: Thu, 1 Apr 2021 03:51:42 +0000
From: Joel Stanley <joel@....id.au>
To: Zev Weiss <zev@...ilderbeest.net>
Cc: OpenBMC Maillist <openbmc@...ts.ozlabs.org>,
Linux ARM <linux-arm-kernel@...ts.infradead.org>,
linux-aspeed <linux-aspeed@...ts.ozlabs.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
Andrew Jeffery <andrew@...id.au>,
Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
SoC Team <soc@...nel.org>, Rob Herring <robh+dt@...nel.org>,
devicetree <devicetree@...r.kernel.org>
Subject: Re: [PATCH] ARM: dts: aspeed: add ASRock E3C246D4I BMC
Hi Zev,
On Thu, 1 Apr 2021 at 02:57, Zev Weiss <zev@...ilderbeest.net> wrote:
>
> This is a relatively low-cost AST2500-based Xeon E-2100/E-2200 series
> mini-ITX board that we hope can provide a decent platform for OpenBMC
> development.
>
> This initial device-tree provides the necessary configuration for
> basic BMC functionality such as host power control, serial console and
> KVM support, and POST code snooping.
The patch looks good! Some minor things below.
When sending subsequent versions, make sure to add -v N to your git
format-patch to mark it as the Nth version.
You've also set this to be threaded with a previous version of the
patch. We normally don't do that, and in this case it's doubly
confusing as you've split this patch out from the previous series.
I noticed you cc'd soc@...nel.org. We normally only do this when we
want the soc maintainers to apply a patch directly without going
through another maintainer. In this case the patch should go through
the aspeed maintainer's tree (me), so you don't need to cc that
address.
> Signed-off-by: Zev Weiss <zev@...ilderbeest.net>
> Reviewed-by: Joel Stanley <joel@....id.au>
> ---
This spot just here is where you should put the changes between v1 and v2.
> arch/arm/boot/dts/Makefile | 1 +
> .../boot/dts/aspeed-bmc-asrock-e3c246d4i.dts | 202 ++++++++++++++++++
> 2 files changed, 203 insertions(+)
> create mode 100644 arch/arm/boot/dts/aspeed-bmc-asrock-e3c246d4i.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 8e5d4ab4e75e..b12911262ca1 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -1406,6 +1406,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
> aspeed-bmc-ampere-mtjade.dtb \
> aspeed-bmc-arm-centriq2400-rep.dtb \
> aspeed-bmc-arm-stardragon4800-rep2.dtb \
> + aspeed-bmc-asrock-e3c246d4i.dts \
This should be the output name (.dtb).
> aspeed-bmc-bytedance-g220a.dtb \
> aspeed-bmc-facebook-cmm.dtb \
> aspeed-bmc-facebook-galaxy100.dtb \
> diff --git a/arch/arm/boot/dts/aspeed-bmc-asrock-e3c246d4i.dts b/arch/arm/boot/dts/aspeed-bmc-asrock-e3c246d4i.dts
> new file mode 100644
> index 000000000000..dcab6e78dfa4
> --- /dev/null
> +++ b/arch/arm/boot/dts/aspeed-bmc-asrock-e3c246d4i.dts
The device tree itself looks good!
If you fix up the things I mentioned and send a v3 I will apply it.
Cheers,
Joel
> @@ -0,0 +1,202 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/dts-v1/;
> +
> +#include "aspeed-g5.dtsi"
> +#include <dt-bindings/gpio/aspeed-gpio.h>
> +#include <dt-bindings/i2c/i2c.h>
> +
> +/{
> + model = "ASRock E3C246D4I BMC";
> + compatible = "asrock,e3c246d4i-bmc", "aspeed,ast2500";
> +
> + aliases {
> + serial4 = &uart5;
> + };
> +
> + chosen {
> + stdout-path = &uart5;
> + bootargs = "console=tty0 console=ttyS4,115200 earlyprintk";
> + };
> +
> + memory@...00000 {
> + reg = <0x80000000 0x20000000>;
> + };
> +
> + leds {
> + compatible = "gpio-leds";
> +
> + heartbeat {
> + /* BMC_HB_LED_N */
> + gpios = <&gpio ASPEED_GPIO(H, 6) GPIO_ACTIVE_LOW>;
> + linux,default-trigger = "timer";
> + };
> +
> + system-fault {
> + /* SYSTEM_FAULT_LED_N */
> + gpios = <&gpio ASPEED_GPIO(Z, 2) GPIO_ACTIVE_LOW>;
> + panic-indicator;
> + };
> + };
> +
> + gpio-keys {
> + compatible = "gpio-keys";
> +
> + uid-button {
> + label = "uid-button";
> + gpios = <&gpio ASPEED_GPIO(F, 1) GPIO_ACTIVE_LOW>;
> + linux,code = <ASPEED_GPIO(F, 1)>;
> + };
> + };
> +
> + iio-hwmon {
> + compatible = "iio-hwmon";
> + io-channels = <&adc 0>, <&adc 1>, <&adc 2>, <&adc 3>, <&adc 4>,
> + <&adc 5>, <&adc 6>, <&adc 7>, <&adc 8>, <&adc 9>,
> + <&adc 10>, <&adc 11>, <&adc 12>;
> + };
> +};
> +
> +&fmc {
> + status = "okay";
> + flash@0 {
> + status = "okay";
> + m25p,fast-read;
> + label = "bmc";
> + spi-max-frequency = <100000000>; /* 100 MHz */
> +#include "openbmc-flash-layout.dtsi"
> + };
> +};
> +
> +&uart5 {
> + status = "okay";
> +};
> +
> +&vuart {
> + status = "okay";
> + aspeed,sirq-active-high;
> +};
> +
> +&mac0 {
> + status = "okay";
> +
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_rgmii1_default &pinctrl_mdio1_default>;
> +};
> +
> +&i2c1 {
> + status = "okay";
> +
> + /* thermal sensor, one diode run to a disconnected header */
> + w83773g@4c {
> + compatible = "nuvoton,w83773g";
> + reg = <0x4c>;
> + };
> +};
> +
> +&i2c3 {
> + status = "okay";
> +
> + /* FRU EEPROM */
> + eeprom@57 {
> + compatible = "st,24c128", "atmel,24c128";
> + reg = <0x57>;
> + pagesize = <16>;
> + };
> +};
> +
> +&video {
> + status = "okay";
> +};
> +
> +&vhub {
> + status = "okay";
> +};
> +
> +&lpc_ctrl {
> + status = "okay";
> +};
> +
> +&lpc_snoop {
> + status = "okay";
> + snoop-ports = <0x80>;
> +};
> +
> +&gpio {
> + status = "okay";
> + gpio-line-names =
> + /* A */ "BMC_MAC1_INTB", "BMC_MAC2_INTB", "NMI_BTN_N", "BMC_NMI",
> + "", "", "", "",
> + /* B */ "", "", "", "", "", "IRQ_BMC_PCH_SMI_LPC_N", "", "",
> + /* C */ "", "", "", "", "", "", "", "",
> + /* D */ "BMC_PSIN", "BMC_PSOUT", "BMC_RESETCON", "RESETCON",
> + "", "", "", "",
> + /* E */ "", "", "", "", "", "", "", "",
> + /* F */ "LOCATORLED_STATUS_N", "LOCATORBTN", "", "",
> + "", "", "BMC_PCH_SCI_LPC", "BMC_NCSI_MUX_CTL",
> + /* G */ "HWM_BAT_EN", "CHASSIS_ID0", "CHASSIS_ID1", "CHASSIS_ID2",
> + "BMC_ALERT1_N_R", "BMC_ALERT2_N_R", "BMC_ALERT3_N", "SML0ALERT",
> + /* H */ "FM_ME_RCVR_N", "O_PWROK", "SKL_CNL_R", "D4_DIMM_EVENT_3V_N",
> + "MFG_MODE_N", "BMC_RTCRST", "BMC_HB_LED_N", "BMC_CASEOPEN",
> + /* I */ "", "", "", "", "", "", "", "",
> + /* J */ "BMC_READY", "BMC_PCH_BIOS_CS_N", "BMC_SMI", "",
> + "", "", "", "",
> + /* K */ "", "", "", "", "", "", "", "",
> + /* L */ "BMC_CTS1", "BMC_DCD1", "BMC_DSR1", "BMC_RI1",
> + "BMC_DTR1", "BMC_RTS1", "BMC_TXD1", "BMC_RXD1",
> + /* M */ "BMC_LAN0_DIS_N", "BMC_LAN1_DIS_N", "", "",
> + "", "", "", "",
> + /* N */ "", "", "", "", "", "", "", "",
> + /* O */ "", "", "", "", "", "", "", "",
> + /* P */ "", "", "", "", "", "", "", "",
> + /* Q */ "", "", "", "",
> + "BMC_SBM_PRESENT_1_N", "BMC_SBM_PRESENT_2_N",
> + "BMC_SBM_PRESENT_3_N", "BMC_PCIE_WAKE_N",
> + /* R */ "", "", "", "", "", "", "", "",
> + /* S */ "PCHHOT_BMC_N", "", "RSMRST",
> + "", "", "", "", "",
> + /* T */ "", "", "", "", "", "", "", "",
> + /* U */ "", "", "", "", "", "", "", "",
> + /* V */ "", "", "", "", "", "", "", "",
> + /* W */ "PS_PWROK", /* dummy always-high signal */
> + "", "", "", "", "", "", "",
> + /* X */ "", "", "", "", "", "", "", "",
> + /* Y */ "SLP_S3", "SLP_S5", "", "", "", "", "", "",
> + /* Z */ "CPU_CATERR_BMC_PCH_N", "", "SYSTEM_FAULT_LED_N", "BMC_THROTTLE_N",
> + "", "", "", "",
> + /* AA */ "CPU1_THERMTRIP_LATCH_N", "", "CPU1_PROCHOT_N", "",
> + "", "", "IRQ_SMI_ACTIVE_N", "FM_BIOS_POST_CMPLT_N",
> + /* AB */ "", "", "ME_OVERRIDE", "BMC_DMI_MODIFY",
> + "", "", "", "",
> + /* AC */ "LAD0", "LAD1", "LAD2", "LAD3",
> + "CK_33M_BMC", "LFRAME", "SERIRQ", "S_PLTRST";
> +
> + /* Assert BMC_READY so BIOS doesn't sit around waiting for it */
> + bmc-ready {
> + gpio-hog;
> + gpios = <ASPEED_GPIO(J, 0) GPIO_ACTIVE_LOW>;
> + output-high;
> + };
> +};
> +
> +&adc {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_adc0_default
> + &pinctrl_adc1_default
> + &pinctrl_adc2_default
> + &pinctrl_adc3_default
> + &pinctrl_adc4_default
> + &pinctrl_adc5_default
> + &pinctrl_adc6_default
> + &pinctrl_adc7_default
> + &pinctrl_adc8_default
> + &pinctrl_adc9_default
> + &pinctrl_adc10_default
> + &pinctrl_adc11_default
> + &pinctrl_adc12_default>;
> +};
> +
> +&kcs3 {
> + status = "okay";
> + aspeed,lpc-io-reg = <0xca2>;
> +};
> --
> 2.31.1
>
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