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Sun, 12 May 2019 10:46:15 -0700 (PDT) From: peron.clem@gmail.com To: David Airlie , Daniel Vetter , Rob Herring , Mark Rutland , Maxime Ripard , Chen-Yu Tsai Subject: [PATCH v4 1/8] dt-bindings: gpu: mali-midgard: Add resets property Date: Sun, 12 May 2019 19:46:01 +0200 Message-Id: <20190512174608.10083-2-peron.clem@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20190512174608.10083-1-peron.clem@gmail.com> References: <20190512174608.10083-1-peron.clem@gmail.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190512_104618_402854_0EDFC7E3 X-CRM114-Status: GOOD ( 12.05 ) 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: devicetree@vger.kernel.org, Neil Armstrong , Kevin Hilman , linux-kernel@vger.kernel.org, dri-devel@lists.freedesktop.org, linux-sunxi@googlegroups.com, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 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 From: Neil Armstrong The Amlogic ARM Mali Midgard requires reset controls to power on and software reset the GPU, adds these as optional in the bindings. Signed-off-by: Neil Armstrong Reviewed-by: Rob Herring Signed-off-by: Kevin Hilman --- .../devicetree/bindings/gpu/arm,mali-midgard.txt | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt b/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt index 18a2cde2e5f3..1b1a74129141 100644 --- a/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt +++ b/Documentation/devicetree/bindings/gpu/arm,mali-midgard.txt @@ -37,6 +37,20 @@ Optional properties: - operating-points-v2 : Refer to Documentation/devicetree/bindings/opp/opp.txt for details. +- resets : Phandle of the GPU reset line. + +Vendor-specific bindings +------------------------ + +The Mali GPU is integrated very differently from one SoC to +another. In order to accomodate those differences, you have the option +to specify one more vendor-specific compatible, among: + +- "amlogic,meson-gxm-mali" + Required properties: + - resets : Should contain phandles of : + + GPU reset line + + GPU APB glue reset line Example for a Mali-T760: -- 2.17.1 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel