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Wed, 15 May 2019 11:25:54 -0700 (PDT) Date: Wed, 15 May 2019 14:25:53 -0400 From: Sean Paul To: Douglas Anderson Subject: Re: [PATCH 4/5] ARM: dts: rockchip: Add unwedge pinctrl entries for dw_hdmi on rk3288 Message-ID: <20190515182553.GX17077@art_vandelay> References: <20190502225336.206885-1-dianders@chromium.org> <20190502225336.206885-4-dianders@chromium.org> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20190502225336.206885-4-dianders@chromium.org> User-Agent: Mutt/1.10.1 (2018-07-13) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190515_112557_758596_6C81098A X-CRM114-Status: GOOD ( 19.50 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, Heiko Stuebner , linux-rockchip@lists.infradead.org, Neil Armstrong , Sandy Huang , linux-kernel@vger.kernel.org, Andrzej Hajda , Rob Herring , Sean Paul , Laurent Pinchart , mka@chromium.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, May 02, 2019 at 03:53:35PM -0700, Douglas Anderson wrote: > This adds the "unwedge" pinctrl entries introduced by a recent dw_hdmi > change that can unwedge the dw_hdmi i2c bus in some cases. It's > expected that any boards using this would add: > > pinctrl-names = "default", "unwedge"; > pinctrl-0 = <&hdmi_ddc>; > pinctrl-1 = <&hdmi_ddc_unwedge>; > > Note that this isn't added by default because some boards may choose > to mux i2c5 for their DDC bus (if that is more tested for them). > > Signed-off-by: Douglas Anderson Reviewed-by: Sean Paul > --- > > arch/arm/boot/dts/rk3288.dtsi | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi > index 74c9517c4f92..eebc04fa1e4d 100644 > --- a/arch/arm/boot/dts/rk3288.dtsi > +++ b/arch/arm/boot/dts/rk3288.dtsi > @@ -1545,6 +1545,15 @@ > rockchip,pins = <7 RK_PC3 2 &pcfg_pull_none>, > <7 RK_PC4 2 &pcfg_pull_none>; > }; > + > + hdmi_ddc_unwedge: hdmi-ddc-unwedge { > + rockchip,pins = <7 RK_PC3 RK_FUNC_GPIO &pcfg_output_low>, > + <7 RK_PC4 2 &pcfg_pull_none>; > + }; > + }; > + > + pcfg_output_low: pcfg-output-low { > + output-low; > }; > > pcfg_pull_up: pcfg-pull-up { > -- > 2.21.0.1020.gf2820cf01a-goog > -- Sean Paul, Software Engineer, Google / Chromium OS _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel