linux-kernel - Re: [PATCH v2] pinctrl: pinctrl-aspeed-g6: Fix register offset for pinconf of GPIOR-T

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Message-ID: <d4e265ea19b14c3f76bc5ce8fdddae0783cb6cd1.camel@codeconstruct.com.au>
Date: Thu, 14 Mar 2024 09:23:19 +1030
From: Andrew Jeffery <andrew@...econstruct.com.au>
To: Billy Tsai <billy_tsai@...eedtech.com>, linus.walleij@...aro.org, 
 joel@....id.au, johnny_huang@...eedtech.com, linux-aspeed@...ts.ozlabs.org,
  openbmc@...ts.ozlabs.org, linux-gpio@...r.kernel.org, 
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, 
 BMC-SW@...eedtech.com, Ricky_CX_Wu@...ynn.com
Subject: Re: [PATCH v2] pinctrl: pinctrl-aspeed-g6: Fix register offset for
 pinconf of GPIOR-T

On Wed, 2024-03-13 at 17:28 +0800, Billy Tsai wrote:
> The register offset to disable the internal pull-down of GPIOR~T is 0x630
> instead of 0x620, as specified in the Ast2600 datasheet v15
> The datasheet can download from the official Aspeed website.

.. if you're a customer with an account enabled to access it :)

> 
> Fixes: 15711ba6ff19 ("pinctrl: aspeed-g6: Add AST2600 pinconf support")
> Signed-off-by: Billy Tsai <billy_tsai@...eedtech.com>

Reviewed-by: Andrew Jeffery <andrew@...econstruct.com.au>

Not sure what the history is exactly. Could have been a typo or a
change in the SCU register layout given it was likely written against
A0 (A3 is mass-production).

Andrew

> ---
>  drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c | 34 +++++++++++-----------
>  1 file changed, 17 insertions(+), 17 deletions(-)
> 
> diff --git a/drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c b/drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c
> index d376fa7114d1..029efe16f8cc 100644
> --- a/drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c
> +++ b/drivers/pinctrl/aspeed/pinctrl-aspeed-g6.c
> @@ -43,7 +43,7 @@
>  #define SCU614		0x614 /* Disable GPIO Internal Pull-Down #1 */
>  #define SCU618		0x618 /* Disable GPIO Internal Pull-Down #2 */
>  #define SCU61C		0x61c /* Disable GPIO Internal Pull-Down #3 */
> -#define SCU620		0x620 /* Disable GPIO Internal Pull-Down #4 */
> +#define SCU630		0x630 /* Disable GPIO Internal Pull-Down #4 */
>  #define SCU634		0x634 /* Disable GPIO Internal Pull-Down #5 */
>  #define SCU638		0x638 /* Disable GPIO Internal Pull-Down #6 */
>  #define SCU690		0x690 /* Multi-function Pin Control #24 */
> @@ -2495,38 +2495,38 @@ static struct aspeed_pin_config aspeed_g6_configs[] = {
>  	ASPEED_PULL_DOWN_PINCONF(D14, SCU61C, 0),
>  
>  	/* GPIOS7 */
> -	ASPEED_PULL_DOWN_PINCONF(T24, SCU620, 23),
> +	ASPEED_PULL_DOWN_PINCONF(T24, SCU630, 23),
>  	/* GPIOS6 */
> -	ASPEED_PULL_DOWN_PINCONF(P23, SCU620, 22),
> +	ASPEED_PULL_DOWN_PINCONF(P23, SCU630, 22),
>  	/* GPIOS5 */
> -	ASPEED_PULL_DOWN_PINCONF(P24, SCU620, 21),
> +	ASPEED_PULL_DOWN_PINCONF(P24, SCU630, 21),
>  	/* GPIOS4 */
> -	ASPEED_PULL_DOWN_PINCONF(R26, SCU620, 20),
> +	ASPEED_PULL_DOWN_PINCONF(R26, SCU630, 20),
>  	/* GPIOS3*/
> -	ASPEED_PULL_DOWN_PINCONF(R24, SCU620, 19),
> +	ASPEED_PULL_DOWN_PINCONF(R24, SCU630, 19),
>  	/* GPIOS2 */
> -	ASPEED_PULL_DOWN_PINCONF(T26, SCU620, 18),
> +	ASPEED_PULL_DOWN_PINCONF(T26, SCU630, 18),
>  	/* GPIOS1 */
> -	ASPEED_PULL_DOWN_PINCONF(T25, SCU620, 17),
> +	ASPEED_PULL_DOWN_PINCONF(T25, SCU630, 17),
>  	/* GPIOS0 */
> -	ASPEED_PULL_DOWN_PINCONF(R23, SCU620, 16),
> +	ASPEED_PULL_DOWN_PINCONF(R23, SCU630, 16),
>  
>  	/* GPIOR7 */
> -	ASPEED_PULL_DOWN_PINCONF(U26, SCU620, 15),
> +	ASPEED_PULL_DOWN_PINCONF(U26, SCU630, 15),
>  	/* GPIOR6 */
> -	ASPEED_PULL_DOWN_PINCONF(W26, SCU620, 14),
> +	ASPEED_PULL_DOWN_PINCONF(W26, SCU630, 14),
>  	/* GPIOR5 */
> -	ASPEED_PULL_DOWN_PINCONF(T23, SCU620, 13),
> +	ASPEED_PULL_DOWN_PINCONF(T23, SCU630, 13),
>  	/* GPIOR4 */
> -	ASPEED_PULL_DOWN_PINCONF(U25, SCU620, 12),
> +	ASPEED_PULL_DOWN_PINCONF(U25, SCU630, 12),
>  	/* GPIOR3*/
> -	ASPEED_PULL_DOWN_PINCONF(V26, SCU620, 11),
> +	ASPEED_PULL_DOWN_PINCONF(V26, SCU630, 11),
>  	/* GPIOR2 */
> -	ASPEED_PULL_DOWN_PINCONF(V24, SCU620, 10),
> +	ASPEED_PULL_DOWN_PINCONF(V24, SCU630, 10),
>  	/* GPIOR1 */
> -	ASPEED_PULL_DOWN_PINCONF(U24, SCU620, 9),
> +	ASPEED_PULL_DOWN_PINCONF(U24, SCU630, 9),
>  	/* GPIOR0 */
> -	ASPEED_PULL_DOWN_PINCONF(V25, SCU620, 8),
> +	ASPEED_PULL_DOWN_PINCONF(V25, SCU630, 8),
>  
>  	/* GPIOX7 */
>  	ASPEED_PULL_DOWN_PINCONF(AB10, SCU634, 31),