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Fri, 10 Feb 2017 16:24:38 +0100 From: Yannick Fertre To: Alexandre TORGUE , Thierry Reding , David Airlie , Maxime Coquelin , Russell King , Mark Rutland , Rob Herring , Arnd Bergmann , Benjamin Gaignard Subject: [PATCH v2 1/7] dt-bindings: display: add STM32 LTDC driver Date: Fri, 10 Feb 2017 16:24:28 +0100 Message-ID: <1486740274-25958-2-git-send-email-yannick.fertre@st.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1486740274-25958-1-git-send-email-yannick.fertre@st.com> References: <1486740274-25958-1-git-send-email-yannick.fertre@st.com> MIME-Version: 1.0 X-Originating-IP: [10.48.1.53] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2017-02-10_06:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20170210_072531_104312_31227D7D X-CRM114-Status: GOOD ( 12.32 ) 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, kernel@stlinux.com, Philippe Cornu , Fabien Dessenne , dri-devel@lists.freedesktop.org, Mickael Reulier , Vincent Abriou , Gabriel FERNANDEZ , linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Yannick Fertre --- .../devicetree/bindings/display/st,stm32-ltdc.txt | 37 ++++++++++++++++++++++ 1 file changed, 37 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/st,stm32-ltdc.txt diff --git a/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt b/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt new file mode 100644 index 0000000..b93e1c8 --- /dev/null +++ b/Documentation/devicetree/bindings/display/st,stm32-ltdc.txt @@ -0,0 +1,37 @@ +* STMicroelectronics STM32 lcd-tft display controller + +- ltdc: lcd-tft display controller host + must be a sub-node of st-display-subsystem + Required properties: + - compatible: "st,stm32-ltdc" + - reg: Physical base address of the IP registers and length of memory mapped region. + - clocks: A list of phandle + clock-specifier pairs, one for each + entry in 'clock-names'. + - clock-names: A list of clock names. For ltdc it should contain: + - "clk-lcd" for the clock feeding the output pixel clock & IP clock. + - resets: reset to be used by the device (defined by use of RCC macro). + Required nodes: + - Video port for RGB output. + +Example: + +/ { + ... + soc { + ... + ltdc: stm32-ltdc@40016800 { + compatible = "st,stm32-ltdc"; + reg = <0x40016800 0x200>; + interrupts = <88>, <89>; + resets = <&rcc STM32F4_APB2_RESET(LTDC)>; + clocks = <&rcc 1 CLK_LCD>; + clock-names = "lcd"; + status = "disabled"; + + port { + ltdc_out_rgb: endpoint { + }; + }; + }; + }; +};