linux-kernel - Re: [PATCH v1] ARM: dts: aspeed: Update for Facebook Yosemite V2 BMC

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Message-ID: <CACPK8XfgYma8=qV0kKOKSSpXprC1sBZgKuaGsAhD1ifYG4KgTw@mail.gmail.com>
Date:   Tue, 23 Aug 2022 00:01:32 +0000
From:   Joel Stanley <joel@....id.au>
To:     Karthikeyan Pasupathi <pkarthikeyan1509@...il.com>
Cc:     Rob Herring <robh+dt@...nel.org>, Andrew Jeffery <andrew@...id.au>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-aspeed@...ts.ozlabs.org, linux-kernel@...r.kernel.org,
        openbmc@...ts.ozlabs.org
Subject: Re: [PATCH v1] ARM: dts: aspeed: Update for Facebook Yosemite V2 BMC

On Mon, 22 Aug 2022 at 07:02, Karthikeyan Pasupathi
<pkarthikeyan1509@...il.com> wrote:
>
> This patch includes the following updates for Yosemite V2
> BMC.
>
> 1) Updated GPIO configuration for power control.

Please take a look the openbmc naming conventions for the GPIOs. If
you are not going to follow them, please explain why in your commit
message.


> 2) Added IPMB-13 channel for Debug Card communication.
> 3) Removed EEPROM driver IPMB-12 channel and keeping it as
>    "status ok".

If you find yourself writing a commit log that contains 1), 2), 3)
then there's a fair chance you could have sent three separate patches.
Consider this for next time.

>
> Signed-off-by: Karthikeyan Pasupathi <pkarthikeyan1509@...il.com>
> ---
>  .../dts/aspeed-bmc-facebook-yosemitev2.dts    | 49 +++++++++++++++++--
>  1 file changed, 44 insertions(+), 5 deletions(-)
>
> diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-yosemitev2.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-yosemitev2.dts
> index 8864e9c312a8..4d2ff7eb6740 100644
> --- a/arch/arm/boot/dts/aspeed-bmc-facebook-yosemitev2.dts
> +++ b/arch/arm/boot/dts/aspeed-bmc-facebook-yosemitev2.dts
> @@ -119,6 +119,40 @@
>                         &pinctrl_adc15_default>;
>  };
>
> +&gpio {
> +       status = "okay";
> +       gpio-line-names =
> +       /*A0-A7*/   "","","","","","","","",
> +       /*B0-B7*/   "","","","","","","","",
> +       /*C0-C7*/   "","","","","","","","",
> +       /*D0-D7*/   "POWER_BUTTON","POWER_OUT1","","POWER_OUT2","","POWER_OUT3","","POWER_OUT4",
> +       /*E0-E7*/   "DEBUG_UART_SEL0","DEBUG_UART_SEL1","DEBUG_UART_SEL2","DEBUG_UART_RX_SEL_N","","","","",
> +       /*F0-F7*/   "","","","","","","","",
> +       /*G0-G7*/   "LED_POST_CODE_0","LED_POST_CODE_1","LED_POST_CODE_2","LED_POST_CODE_3","","","","",
> +       /*H0-H7*/   "","","","","","","","",
> +       /*I0-I7*/   "SLOT1_POWER_OK","SLOT2_POWER_OK","SLOT3_POWER_OK","SLOT4_POWER_OK","","","","",
> +       /*J0-J7*/   "","","","","","","","",
> +       /*K0-K7*/   "","","","","","","","",
> +       /*L0-L7*/   "","","","","","","","",
> +       /*M0-M7*/   "","","","","","","","",
> +       /*N0-N7*/   "","","I2C_SLOT1","I2C_SLOT2","I2C_SLOT3","I2C_SLOT4","","",
> +       /*O0-O7*/   "","","","SELECTOR_BUTTON","SLOT1_POWER","SLOT2_POWER","SLOT3_POWER","SLOT4_POWER",
> +       /*P0-P7*/   "","","","","LED_POST_CODE_4","LED_POST_CODE_5","LED_POST_CODE_6","LED_POST_CODE_7",
> +       /*Q0-Q7*/   "","","","","","","","",
> +       /*R0-R7*/   "","","","GPIO_DBG_CARD_PRSNT","","","","",
> +       /*S0-S7*/   "RESET_OUT1","RESET_OUT2","RESET_OUT3","RESET_OUT4","","","","",
> +       /*T0-T7*/   "","","","","","","","",
> +       /*U0-U7*/   "","","","","","","","",
> +       /*V0-V7*/   "","","","","","","","",
> +       /*W0-W7*/   "","","","","","","","",
> +       /*X0-X7*/   "","","","","","","","",
> +       /*Y0-Y7*/   "","","","","","","","",
> +       /*Z0-Z7*/   "POST_COMPLETE","POST_COMPLETE2","POST_COMPLETE3","POST_COMPLETE4","","","","",
> +       /*AA0-AA7*/ "","","","","HAND_SW1","HAND_SW2","HAND_SW3","HAND_SW4",
> +       /*AB0-AB7*/ "RESET_BUTTON","","","","","","","",
> +               /*AC0-AC7*/ "","","","","","","","";
> +};
> +
>  &i2c1 {
>         //Host1 IPMB bus
>         status = "okay";
> @@ -207,11 +241,16 @@
>
>  &i2c12 {
>         status = "okay";
> -       //MEZZ_FRU
> -       eeprom@51 {
> -               compatible = "atmel,24c64";
> -               reg = <0x51>;
> -               pagesize = <32>;
> +};
> +
> +&i2c13 {
> +       status = "okay";
> +       // Debug Card
> +       multi-master;
> +       ipmb13@10 {
> +               compatible = "ipmb-dev";
> +               reg = <(0x10 | I2C_OWN_SLAVE_ADDRESS)>;
> +               i2c-protocol;
>         };
>  };
>
> --
> 2.17.1
>