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Message-ID: <CACPK8XcuwNE3aBrsgn-paTZt-EtF6pc6WwYBQef5xc7157bk2g@mail.gmail.com>
Date: Fri, 2 Aug 2019 04:21:03 +0000
From: Joel Stanley <joel@....id.au>
To: Tao Ren <taoren@...com>
Cc: Rob Herring <robh+dt@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Andrew Jeffery <andrew@...id.au>,
devicetree <devicetree@...r.kernel.org>,
Linux ARM <linux-arm-kernel@...ts.infradead.org>,
linux-aspeed@...ts.ozlabs.org,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
OpenBMC Maillist <openbmc@...ts.ozlabs.org>
Subject: Re: [PATCH v2] ARM: dts: aspeed: Add Facebook Wedge100 BMC
On Fri, 2 Aug 2019 at 04:10, Tao Ren <taoren@...com> wrote:
>
> Add initial version of device tree for Facebook Wedge100 AST2400 BMC
> platform.
>
> Signed-off-by: Tao Ren <taoren@...com>
> Reviewed-by: Andrew Jeffery <andrew@...id.au>
> ---
> Changes in v2:
> - remove "debug" from bootargs.
Thanks. I applied wedge40 and then this one fails to apply due to
conflicts in the Makefile. Next time you have two patches, send them
as a series they apply one atop the other.
The naming of these two files suggests they come from a family. I
noticed there's very minor differences, a pca9548 switch and the use
of a watchdog.
Are these device trees complete? If yes, do you think it's worthwhile
to have a common wedge description in eg.
aspeed-bmc-facebook-wedge.dtsi, and put the unique description in
respective dts board files?
The upside of this is reduced duplication.
If you have a reason not to, then that is okay and we can leave it as
you submitted them.
Cheers,
Joel
--- arch/arm/boot/dts/aspeed-bmc-facebook-wedge100.dts 2019-08-02
13:44:26.536934502 +0930
+++ arch/arm/boot/dts/aspeed-bmc-facebook-wedge40.dts 2019-08-02
13:44:02.980670672 +0930
@@ -5,8 +5,8 @@
#include "aspeed-g4.dtsi"
/ {
- model = "Facebook Wedge 100 BMC";
- compatible = "facebook,wedge100-bmc", "aspeed,ast2400";
+ model = "Facebook Wedge 40 BMC";
+ compatible = "facebook,wedge40-bmc", "aspeed,ast2400";
aliases {
/*
@@ -35,8 +35,7 @@
};
&wdt2 {
- status = "okay";
- aspeed,reset-type = "system";
+ status = "disabled";
};
&fmc {
@@ -111,13 +110,6 @@
&i2c7 {
status = "okay";
-
- i2c-switch@70 {
- compatible = "nxp,pca9548";
- #address-cells = <1>;
- #size-cells = <0>;
- reg = <0x70>;
- };
};
>
> arch/arm/boot/dts/Makefile | 1 +
> .../boot/dts/aspeed-bmc-facebook-wedge100.dts | 149 ++++++++++++++++++
> 2 files changed, 150 insertions(+)
> create mode 100644 arch/arm/boot/dts/aspeed-bmc-facebook-wedge100.dts
>
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 39a05a10a2a2..d71504ed82d3 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -1273,6 +1273,7 @@ dtb-$(CONFIG_ARCH_ASPEED) += \
> aspeed-bmc-facebook-cmm.dtb \
> aspeed-bmc-facebook-minipack.dtb \
> aspeed-bmc-facebook-tiogapass.dtb \
> + aspeed-bmc-facebook-wedge100.dtb \
> aspeed-bmc-facebook-yamp.dtb \
> aspeed-bmc-intel-s2600wf.dtb \
> aspeed-bmc-inspur-fp5280g2.dtb \
> diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-wedge100.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-wedge100.dts
> new file mode 100644
> index 000000000000..b1e10f0c85c9
> --- /dev/null
> +++ b/arch/arm/boot/dts/aspeed-bmc-facebook-wedge100.dts
> @@ -0,0 +1,149 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +// Copyright (c) 2018 Facebook Inc.
> +/dts-v1/;
> +
> +#include "aspeed-g4.dtsi"
> +
> +/ {
> + model = "Facebook Wedge 100 BMC";
> + compatible = "facebook,wedge100-bmc", "aspeed,ast2400";
> +
> + aliases {
> + /*
> + * Override the default uart aliases to avoid breaking
> + * the legacy applications.
> + */
> + serial0 = &uart5;
> + serial1 = &uart1;
> + serial2 = &uart3;
> + serial3 = &uart4;
> + };
> +
> + chosen {
> + stdout-path = &uart3;
> + bootargs = "console=ttyS2,9600n8 root=/dev/ram rw";
> + };
> +
> + memory@...00000 {
> + reg = <0x40000000 0x20000000>;
> + };
> +};
> +
> +&wdt1 {
> + status = "okay";
> + aspeed,reset-type = "system";
> +};
> +
> +&wdt2 {
> + status = "okay";
> + aspeed,reset-type = "system";
> +};
> +
> +&fmc {
> + status = "okay";
> + flash@0 {
> + status = "okay";
> + m25p,fast-read;
> + label = "fmc0";
> +#include "facebook-bmc-flash-layout.dtsi"
> + };
> +};
> +
> +&uart1 {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_txd1_default
> + &pinctrl_rxd1_default>;
> +};
> +
> +&uart3 {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_txd3_default
> + &pinctrl_rxd3_default>;
> +};
> +
> +&uart4 {
> + status = "okay";
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_txd4_default
> + &pinctrl_rxd4_default>;
> +};
> +
> +&uart5 {
> + status = "okay";
> +};
> +
> +&mac1 {
> + status = "okay";
> + no-hw-checksum;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_rgmii2_default &pinctrl_mdio2_default>;
> +};
> +
> +&i2c0 {
> + status = "okay";
> +};
> +
> +&i2c1 {
> + status = "okay";
> +};
> +
> +&i2c2 {
> + status = "okay";
> +};
> +
> +&i2c3 {
> + status = "okay";
> +};
> +
> +&i2c4 {
> + status = "okay";
> +};
> +
> +&i2c5 {
> + status = "okay";
> +};
> +
> +&i2c6 {
> + status = "okay";
> +};
> +
> +&i2c7 {
> + status = "okay";
> +
> + i2c-switch@70 {
> + compatible = "nxp,pca9548";
> + #address-cells = <1>;
> + #size-cells = <0>;
> + reg = <0x70>;
> + };
> +};
> +
> +&i2c8 {
> + status = "okay";
> +};
> +
> +&i2c9 {
> + status = "okay";
> +};
> +
> +&i2c10 {
> + status = "okay";
> +};
> +
> +&i2c11 {
> + status = "okay";
> +};
> +
> +&i2c12 {
> + status = "okay";
> +};
> +
> +&i2c13 {
> + status = "okay";
> +};
> +
> +&vhub {
> + status = "okay";
> +};
> --
> 2.17.1
>
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