linux-kernel - Re: [PATCH] pinctrl: qcom: Add msm8998 pinctrl driver

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Date:   Wed, 11 Jan 2017 16:12:47 +0100
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Imran Khan <kimran@...eaurora.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>
Cc:     Andy Gross <andy.gross@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        David Brown <david.brown@...aro.org>,
        "open list:PIN CONTROL SUBSYSTEM" <linux-gpio@...r.kernel.org>,
        "open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS" 
        <devicetree@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        "open list:ARM/QUALCOMM SUPPORT" <linux-arm-msm@...r.kernel.org>,
        "open list:ARM/QUALCOMM SUPPORT" <linux-soc@...r.kernel.org>
Subject: Re: [PATCH] pinctrl: qcom: Add msm8998 pinctrl driver

On Mon, Jan 9, 2017 at 4:00 PM, Imran Khan <kimran@...eaurora.org> wrote:

> Add initial pinctrl driver to support pin configuration with
> pinctrl framework for msm8998.
>
> Signed-off-by: Imran Khan <kimran@...eaurora.org>

You need review from the Qcom pinctrl maintainer Bjorn Andersson
for this patch.


+#define NORTH  0x500000
+#define WEST   0x100000
+#define EAST   0x900000
(...)
> +static const struct msm_pingroup msm8998_groups[] = {
> +       PINGROUP(0, EAST, blsp_spi1, blsp_uart1_a, blsp_uim1_a, NA, NA, NA, NA,
(...)
> +       PINGROUP(6, WEST, blsp_spi8, blsp_uart8_a, blsp_i2c8, NA, NA, NA, NA,
(...)
> +       PINGROUP(35, NORTH, pci_e0, jitter_bist, NA, NA, NA, NA, NA, NA, NA),
(...)

No south? :)

Are these the left/right/top edges of the chip or a reference
to x86 bridges terminology? It warrants that you add a comment
to the driver file explaining what it means.

Yours,
Linus Walleij