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[90.63.244.31]) by smtp.gmail.com with ESMTPSA id a14sm2131900wrx.96.2019.03.15.06.56.58 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Fri, 15 Mar 2019 06:56:58 -0700 (PDT) From: Neil Armstrong To: devicetree@vger.kernel.org, khilman@baylibre.com, icenowy@aosc.io Subject: [PATCH v2 1/2] dt-bindings: gpu: mali-midgard: Add resets property Date: Fri, 15 Mar 2019 14:56:54 +0100 Message-Id: <20190315135655.28359-2-narmstrong@baylibre.com> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20190315135655.28359-1-narmstrong@baylibre.com> References: <20190315135655.28359-1-narmstrong@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190315_065702_004508_557340CF X-CRM114-Status: UNSURE ( 8.73 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, Neil Armstrong Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org 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 --- .../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: -- 2.20.1 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic