From: Rob Herring <robh@kernel.org>
To: djw@t-chip.com.cn
Cc: linux-rockchip@lists.infradead.org,
Wayne Chou <zxf@t-chip.com.cn>, Heiko Stuebner <heiko@sntech.de>,
devicetree@vger.kernel.org,
Linus Walleij <linus.walleij@linaro.org>,
linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org,
Mark Rutland <mark.rutland@arm.com>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH v4 1/4] gpio: syscon: rockchip: add GRF GPIO support for rk3328
Date: Tue, 31 Jul 2018 13:36:44 -0600 [thread overview]
Message-ID: <20180731193644.GA10459@rob-hp-laptop> (raw)
In-Reply-To: <1533016762-5268-2-git-send-email-djw@t-chip.com.cn>
On Tue, Jul 31, 2018 at 01:59:19PM +0800, djw@t-chip.com.cn wrote:
> From: Levin Du <djw@t-chip.com.cn>
>
> In Rockchip RK3328, the output only GPIO_MUTE pin, originally for codec
> mute control, can also be used for general purpose. It is manipulated by
> the GRF_SOC_CON10 register in GRF. Aside from the GPIO_MUTE pin, the HDMI
> pins can also be set in the same way.
>
> Currently this GRF GPIO controller only supports the mute pin. If needed
> in the future, the HDMI pins support can also be added.
>
> Signed-off-by: Levin Du <djw@t-chip.com.cn>
>
> ---
>
> Changes in v4:
> - Rename the GPIO binding to "rockchip,rk3328-grf-gpio"
>
> Changes in v3:
> - Change from general gpio-syscon to specific rk3328-gpio-mute
>
> Changes in v2:
> - Rename gpio_syscon10 to gpio_mute in doc
>
> Changes in v1:
> - Refactured for general gpio-syscon usage for Rockchip SoCs.
> - Add doc rockchip,gpio-syscon.txt
>
> .../bindings/gpio/rockchip,rk3328-grf-gpio.txt | 32 ++++++++++++++++++++++
> drivers/gpio/gpio-syscon.c | 31 +++++++++++++++++++++
> 2 files changed, 63 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/gpio/rockchip,rk3328-grf-gpio.txt
Reviewed-by: Rob Herring <robh@kernel.org>
next prev parent reply other threads:[~2018-07-31 19:36 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-31 5:59 [PATCH v4 0/4] Add sdmmc UHS support to ROC-RK3328-CC board djw
2018-07-31 5:59 ` [PATCH v4 1/4] gpio: syscon: rockchip: add GRF GPIO support for rk3328 djw
2018-07-31 19:36 ` Rob Herring [this message]
2018-08-01 11:46 ` Heiko Stuebner
2018-08-03 17:13 ` Linus Walleij
2018-07-31 5:59 ` [PATCH v4 2/4] arm64: dts: rockchip: add GRF GPIO controller to rk3328 djw
2018-08-04 13:16 ` Heiko Stuebner
2018-07-31 5:59 ` [PATCH v4 3/4] arm64: dts: rockchip: add io-domain to roc-rk3328-cc djw
2018-08-02 12:54 ` Heiko Stuebner
2018-07-31 5:59 ` [PATCH v4 4/4] arm64: dts: rockchip: add sdmmc UHS support for roc-rk3328-cc djw
2018-08-04 13:18 ` Heiko Stuebner
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