linux-kernel - Re: [PATCH] pinctrl: qcom: sc7180: Add missing tile info in SDC_QDSD_PINGROUP/UFS

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Date:   Mon, 21 Oct 2019 10:02:31 -0700
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Rajendra Nayak <rnayak@...eaurora.org>
Cc:     linus.walleij@...aro.org, linux-arm-msm@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Veerabhadrarao Badiganti <vbadigan@...eaurora.org>
Subject: Re: [PATCH] pinctrl: qcom: sc7180: Add missing tile info in
 SDC_QDSD_PINGROUP/UFS_RESET

On Mon 21 Oct 07:15 PDT 2019, Rajendra Nayak wrote:

> The SDC_QDSD_PINGROUP/UFS_RESET macros are missing the .tile info needed to
> calculate the right register offsets. Adding them here and also
> adjusting the offsets accordingly.
> 
> Fixes: f2ae04c45b1a ("pinctrl: qcom: Add SC7180 pinctrl driver")
> 
> Reported-by: Veerabhadrarao Badiganti <vbadigan@...eaurora.org>
> Signed-off-by: Rajendra Nayak <rnayak@...eaurora.org>

Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>

> ---
>  drivers/pinctrl/qcom/pinctrl-sc7180.c | 18 ++++++++++--------
>  1 file changed, 10 insertions(+), 8 deletions(-)
> 
> diff --git a/drivers/pinctrl/qcom/pinctrl-sc7180.c b/drivers/pinctrl/qcom/pinctrl-sc7180.c
> index 6399c8a2bc22..d6cfad7417b1 100644
> --- a/drivers/pinctrl/qcom/pinctrl-sc7180.c
> +++ b/drivers/pinctrl/qcom/pinctrl-sc7180.c
> @@ -77,6 +77,7 @@ enum {
>  		.intr_cfg_reg = 0,			\
>  		.intr_status_reg = 0,			\
>  		.intr_target_reg = 0,			\
> +		.tile = SOUTH,				\
>  		.mux_bit = -1,				\
>  		.pull_bit = pull,			\
>  		.drv_bit = drv,				\
> @@ -102,6 +103,7 @@ enum {
>  		.intr_cfg_reg = 0,			\
>  		.intr_status_reg = 0,			\
>  		.intr_target_reg = 0,			\
> +		.tile = SOUTH,				\
>  		.mux_bit = -1,				\
>  		.pull_bit = 3,				\
>  		.drv_bit = 0,				\
> @@ -1087,14 +1089,14 @@ static const struct msm_pingroup sc7180_groups[] = {
>  	[116] = PINGROUP(116, WEST, qup04, qup04, _, _, _, _, _, _, _),
>  	[117] = PINGROUP(117, WEST, dp_hot, _, _, _, _, _, _, _, _),
>  	[118] = PINGROUP(118, WEST, _, _, _, _, _, _, _, _, _),
> -	[119] = UFS_RESET(ufs_reset, 0x97f000),
> -	[120] = SDC_QDSD_PINGROUP(sdc1_rclk, 0x97a000, 15, 0),
> -	[121] = SDC_QDSD_PINGROUP(sdc1_clk, 0x97a000, 13, 6),
> -	[122] = SDC_QDSD_PINGROUP(sdc1_cmd, 0x97a000, 11, 3),
> -	[123] = SDC_QDSD_PINGROUP(sdc1_data, 0x97a000, 9, 0),
> -	[124] = SDC_QDSD_PINGROUP(sdc2_clk, 0x97b000, 14, 6),
> -	[125] = SDC_QDSD_PINGROUP(sdc2_cmd, 0x97b000, 11, 3),
> -	[126] = SDC_QDSD_PINGROUP(sdc2_data, 0x97b000, 9, 0),
> +	[119] = UFS_RESET(ufs_reset, 0x7f000),
> +	[120] = SDC_QDSD_PINGROUP(sdc1_rclk, 0x7a000, 15, 0),

PS. There's no drive-strength control of the rclk and I presume that's
why this is just specified as 0. It would be good if pinctrl-msm was
improved to be able to handle pins with bias, but no drive-strength
control and then this updated.

But we should merge this patch as is.

Regards,
Bjorn

> +	[121] = SDC_QDSD_PINGROUP(sdc1_clk, 0x7a000, 13, 6),
> +	[122] = SDC_QDSD_PINGROUP(sdc1_cmd, 0x7a000, 11, 3),
> +	[123] = SDC_QDSD_PINGROUP(sdc1_data, 0x7a000, 9, 0),
> +	[124] = SDC_QDSD_PINGROUP(sdc2_clk, 0x7b000, 14, 6),
> +	[125] = SDC_QDSD_PINGROUP(sdc2_cmd, 0x7b000, 11, 3),
> +	[126] = SDC_QDSD_PINGROUP(sdc2_data, 0x7b000, 9, 0),
>  };
>  
>  static const struct msm_pinctrl_soc_data sc7180_pinctrl = {
> -- 
> QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
> of Code Aurora Forum, hosted by The Linux Foundation
>