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Fri, 04 Sep 2020 12:19:00 -0700 (PDT) From: Jagan Teki To: MyungJoo Ham , Chanwoo Choi , Rob Herring , Heiko Stuebner Subject: [PATCH 3/3] arm64: dts: rk3399-rock-pi-4c: Enable Display Port Date: Sat, 5 Sep 2020 00:48:30 +0530 Message-Id: <20200904191830.387296-4-jagan@amarulasolutions.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200904191830.387296-1-jagan@amarulasolutions.com> References: <20200904191830.387296-1-jagan@amarulasolutions.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200904_151903_304733_3B23027C X-CRM114-Status: GOOD ( 12.21 ) X-Spam-Score: -0.2 (/) X-Spam-Report: SpamAssassin version 3.4.4 on merlin.infradead.org summary: Content analysis details: (-0.2 points) pts rule name description ---- ---------------------- -------------------------------------------------- -0.0 RCVD_IN_DNSWL_NONE RBL: Sender listed at https://www.dnswl.org/, no trust [2607:f8b0:4864:20:0:0:0:641 listed in] [list.dnswl.org] -0.0 SPF_PASS SPF: sender matches SPF record 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Tom Cubie , linux-kernel@vger.kernel.org, linux-rockchip@lists.infradead.org, Jagan Teki , linux-amarula@amarulasolutions.com, linux-arm-kernel@lists.infradead.org Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+patchwork-linux-rockchip=patchwork.kernel.org@lists.infradead.org Enable Display Port on ROCK Pi 4C board. Unlike, other RK3399 platforms with accessing DP Altmode via Type-C connector, the display Port on ROCK Pi 4C is accessible via physical display port connector by means of Type-C Virtual PD extcon configuration. Enable support for it. Signed-off-by: Jagan Teki --- .../boot/dts/rockchip/rk3399-rock-pi-4c.dts | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4c.dts b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4c.dts index 4c7ebb1c5d2d..19a648add355 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4c.dts +++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4c.dts @@ -11,6 +11,22 @@ / { model = "Radxa ROCK Pi 4C"; compatible = "radxa,rockpi4c", "radxa,rockpi4", "rockchip,rk3399"; + + virtual_pd: virtual-pd { + compatible = "linux,extcon-usbc-virtual-pd"; + det-gpios = <&gpio4 RK_PD1 GPIO_ACTIVE_LOW>; /* DP_HPD */ + vpd-data-role = "display-port"; + vpd-super-speed; + }; +}; + +&cdn_dp { + extcon = <&virtual_pd>; + status = "okay"; +}; + +&tcphy0 { + extcon = <&virtual_pd>; }; &sdio0 {