linux-kernel - Re: [PATCH V4] pinctrl: qcom: Add msm8994 pinctrl driver

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Date:   Wed, 2 Nov 2016 12:10:12 -0700
From:   Michael Scott <michael.scott@...aro.org>
To:     Stephen Boyd <sboyd@...eaurora.org>
Cc:     linux-gpio@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Linus Walleij <linus.walleij@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Andy Gross <andy.gross@...aro.org>,
        David Brown <david.brown@...aro.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Joonwoo Park <joonwoop@...eaurora.org>,
        Jeremy McNicoll <jeremymc@...hat.com>
Subject: Re: [PATCH V4] pinctrl: qcom: Add msm8994 pinctrl driver



On 11/02/2016 11:36 AM, Stephen Boyd wrote:
> On 11/01, Michael Scott wrote:
>> On 11/01/2016 04:53 PM, Stephen Boyd wrote:
>>> On 10/31, Michael Scott wrote:
>>>> +
>>>> +static const struct msm_pingroup msm8994_groups[] = {
>>>> +	PINGROUP(0,   blsp_spi1, blsp_uart1, blsp_uim1, NA, NA, NA, NA, NA, NA,
>>>> +		 NA, NA),
>>> I see an hdmi_rcv group here after blsp_uim1. Please add it for
>>> this gpio.
>> Hi Stephen,
>>
>> Thank you for reviewing the data-- this is really tedious stuff.
>>
>> I'd like to make sure that we're both using tech data for msm8994.
>> I don't see the hdmi_rcv function at all in my docs.
>>
>>>> +	PINGROUP(1,   blsp_spi1, blsp_uart1, blsp_uim1, NA, NA, NA, NA, NA, NA,
>>>> +		 NA, NA),
>>>> +	PINGROUP(2,   blsp_spi1, blsp_uart1, blsp_i2c1, NA, NA, NA, NA, NA, NA,
>>>> +		 NA, NA),
>>>> +	PINGROUP(3,   blsp_spi1, blsp_uart1, blsp_i2c1, NA, NA, NA, NA, NA, NA,
>>>> +		 NA, NA),
>>>> +	PINGROUP(4,   blsp_spi2, blsp_uart2, blsp_uim2, qdss_cti_trig_out_b,
>>>> +		 NA, NA, NA, NA, NA, NA, NA),
>>>> +	PINGROUP(5,   blsp_spi2, blsp_uart2, blsp_uim2, qdss_cti_trig_in_b, NA,
>>> The qdss_cti_* is in function 5 for both of these, not function
>>> 4.
>> These are indeed wrong, but my docs both show as function 7.
> Ok. I think your document is for 8994v1, which never got
> commercialized. I certainly see that this function assignment
> changed between v1 and v2 from 7 to 5.
>
> Now that my eyes are bleeding I'm going to do something else.

Thank you for clarifying the issue.

I'll defer to your document for the qti* and hdmi_rcv function settings 
for the next patch version.

- Mike

>