From: andy.shevchenko@gmail.com
To: Jonathan McDowell <noodles@earth.li>
Cc: Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Chen-Yu Tsai <wens@csie.org>,
Jernej Skrabec <jernej.skrabec@gmail.com>,
Samuel Holland <samuel@sholland.org>,
Linus Walleij <linus.walleij@linaro.org>,
Bartosz Golaszewski <brgl@bgdev.pl>,
Conor Dooley <conor+dt@kernel.org>,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-sunxi@lists.linux.dev, linux-kernel@vger.kernel.org,
linux-gpio@vger.kernel.org
Subject: Re: [PATCH v2 2/5] pinctrl: axp209: Add support for GPIO3 on the AXP209
Date: Wed, 10 May 2023 17:15:38 +0300 [thread overview]
Message-ID: <ZFunCnXldqEMFYaE@surfacebook> (raw)
In-Reply-To: <f9b643ff0d0ed770f5a841111f213f8481dc920f.1683719613.git.noodles@earth.li>
Wed, May 10, 2023 at 01:01:27PM +0100, Jonathan McDowell kirjoitti:
> The AXP209 device has a 4th GPIO which has a slightly different register
> setup, where the control + status bits are held in a single register
> rather than sharing AXP20X_GPIO20_SS with GPIOs 0-2.
...
> +#define AXP20X_GPIO3_FUNCTIONS (BIT(2) | BIT(1))
GENMASK() ?
...
> +#define AXP20X_GPIO3_FUNCTION_OUT_LOW 0
> +#define AXP20X_GPIO3_FUNCTION_OUT_HIGH BIT(1)
> +#define AXP20X_GPIO3_FUNCTION_INPUT BIT(2)
Seems mixed use of decimal and bitwise values, switch to decimal, since it
makes more sense in my opinion.
...
> + if (offset == 3) {
> + ret = regmap_read(pctl->regmap, AXP20X_GPIO3_CTRL, &val);
> + if (ret)
> + return ret;
> + if (val & AXP20X_GPIO3_FUNCTION_INPUT)
> + return GPIO_LINE_DIRECTION_IN;
> + else
Redundant 'else'.
> + return GPIO_LINE_DIRECTION_OUT;
> + }
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2023-05-10 14:15 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <cover.1681580558.git.noodles@earth.li>
2023-05-10 12:00 ` [PATCH v2 0/5] Minor device-tree additions for C.H.I.P Jonathan McDowell
2023-05-10 12:01 ` [PATCH v2 1/5] dt-bindings: gpio: Add GPIO3 for AXP209 GPIO binding schema Jonathan McDowell
2023-05-11 15:41 ` Jernej Škrabec
2023-05-11 18:55 ` Conor Dooley
2023-05-10 12:01 ` [PATCH v2 2/5] pinctrl: axp209: Add support for GPIO3 on the AXP209 Jonathan McDowell
2023-05-10 14:15 ` andy.shevchenko [this message]
2023-05-29 9:51 ` Linus Walleij
2023-06-01 7:30 ` Jonathan McDowell
2023-05-10 12:01 ` [PATCH v2 3/5] ARM: dts: sun5i: chip: Enable bluetooth Jonathan McDowell
2023-05-11 15:41 ` Jernej Škrabec
2023-05-10 12:02 ` [PATCH v2 4/5] ARM: dts: sun5i: Add port E pinmux settings for mmc2 Jonathan McDowell
2023-05-11 15:45 ` Jernej Škrabec
2023-05-10 12:02 ` [PATCH v2 5/5] ARM: dts: axp209: Add iio-hwmon node for internal temperature Jonathan McDowell
2023-05-11 16:11 ` Jernej Škrabec
2023-05-12 10:30 ` Jonathan McDowell
2023-05-12 16:37 ` Jernej Škrabec
2023-05-16 17:46 ` [PATCH v3 0/5] Minor device-tree additions for C.H.I.P Jonathan McDowell
2023-05-16 17:47 ` [PATCH v3 1/5] dt-bindings: gpio: Add GPIO3 for AXP209 GPIO binding schema Jonathan McDowell
2023-05-22 7:37 ` Linus Walleij
2023-05-26 12:24 ` Bartosz Golaszewski
2023-05-16 17:47 ` [PATCH v3 2/5] pinctrl: axp209: Add support for GPIO3 on the AXP209 Jonathan McDowell
2023-05-16 18:55 ` Andy Shevchenko
2023-05-18 21:21 ` Jernej Škrabec
2023-05-16 17:47 ` [PATCH v3 3/5] ARM: dts: sun5i: chip: Enable bluetooth Jonathan McDowell
2023-05-16 17:48 ` [PATCH v3 4/5] ARM: dts: sun5i: Add port E pinmux settings for mmc2 Jonathan McDowell
2023-05-16 17:48 ` [PATCH v3 5/5] ARM: dts: axp209: Add iio-hwmon node for internal temperature Jonathan McDowell
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