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From: Samuel Holland <samuel@sholland.org>
To: Andre Przywara <andre.przywara@arm.com>,
	Maxime Ripard <mripard@kernel.org>, Chen-Yu Tsai <wens@csie.org>,
	Linus Walleij <linus.walleij@linaro.org>
Cc: Jernej Skrabec <jernej.skrabec@gmail.com>,
	SASANO Takayoshi <uaa@mx5.nisiq.net>,
	linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-sunxi@lists.linux.dev
Subject: Re: [PATCH] pinctrl: sunxi: Fix H616 I2S3 pin data
Date: Thu, 6 Jan 2022 20:14:33 -0600	[thread overview]
Message-ID: <ccc2aae8-1265-adfa-d749-1a9d54bd8443@sholland.org> (raw)
In-Reply-To: <20220105172952.23347-1-andre.przywara@arm.com>

On 1/5/22 11:29 AM, Andre Przywara wrote:
> Two bugs have sneaked in the H616 pinctrl data:
> - PH9 uses the mux value of 0x3 twice (one should be 0x5 instead)
> - PH8 and PH9 use the "i2s3" function name twice in each pin
> 
> For the double pin name we use the same trick we pulled for i2s0: append
> the pin function to the group name to designate the special function.
> 
> Fixes: 25adc29407fb ("pinctrl: sunxi: Add support for the Allwinner H616 pin controller")
> Reported-by: SASANO Takayoshi <uaa@mx5.nisiq.net>
> Signed-off-by: Andre Przywara <andre.przywara@arm.com>

Reviewed-by: Samuel Holland <samuel@sholland.org>

Verified against the manual, which ironically also has the function numbers
wrong: it lists two function 4's (and no function 5) for each pin in port H.

> ---
>  drivers/pinctrl/sunxi/pinctrl-sun50i-h616.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/pinctrl/sunxi/pinctrl-sun50i-h616.c b/drivers/pinctrl/sunxi/pinctrl-sun50i-h616.c
> index ce1917e230f4..152b71226a80 100644
> --- a/drivers/pinctrl/sunxi/pinctrl-sun50i-h616.c
> +++ b/drivers/pinctrl/sunxi/pinctrl-sun50i-h616.c
> @@ -363,16 +363,16 @@ static const struct sunxi_desc_pin h616_pins[] = {
>  		  SUNXI_FUNCTION(0x0, "gpio_in"),
>  		  SUNXI_FUNCTION(0x1, "gpio_out"),
>  		  SUNXI_FUNCTION(0x2, "uart2"),		/* CTS */
> -		  SUNXI_FUNCTION(0x3, "i2s3"),	/* DO0 */
> +		  SUNXI_FUNCTION(0x3, "i2s3_dout0"),	/* DO0 */
>  		  SUNXI_FUNCTION(0x4, "spi1"),		/* MISO */
> -		  SUNXI_FUNCTION(0x5, "i2s3"),	/* DI1 */
> +		  SUNXI_FUNCTION(0x5, "i2s3_din1"),	/* DI1 */
>  		  SUNXI_FUNCTION_IRQ_BANK(0x6, 6, 8)),	/* PH_EINT8 */
>  	SUNXI_PIN(SUNXI_PINCTRL_PIN(H, 9),
>  		  SUNXI_FUNCTION(0x0, "gpio_in"),
>  		  SUNXI_FUNCTION(0x1, "gpio_out"),
> -		  SUNXI_FUNCTION(0x3, "i2s3"),	/* DI0 */
> +		  SUNXI_FUNCTION(0x3, "i2s3_din0"),	/* DI0 */
>  		  SUNXI_FUNCTION(0x4, "spi1"),		/* CS1 */
> -		  SUNXI_FUNCTION(0x3, "i2s3"),	/* DO1 */
> +		  SUNXI_FUNCTION(0x5, "i2s3_dout1"),	/* DO1 */
>  		  SUNXI_FUNCTION_IRQ_BANK(0x6, 6, 9)),	/* PH_EINT9 */
>  	SUNXI_PIN(SUNXI_PINCTRL_PIN(H, 10),
>  		  SUNXI_FUNCTION(0x0, "gpio_in"),
> 


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  reply	other threads:[~2022-01-07  2:16 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-01-05 17:29 [PATCH] pinctrl: sunxi: Fix H616 I2S3 pin data Andre Przywara
2022-01-07  2:14 ` Samuel Holland [this message]
2022-01-13  7:09 ` Jernej Škrabec
2022-01-16  1:05 ` Linus Walleij

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