From mboxrd@z Thu Jan 1 00:00:00 1970 From: yannick.fertre@st.com (Yannick Fertre) Date: Mon, 16 Jan 2017 14:28:58 +0100 Subject: [PATCH v1 1/7] dt-bindings: display: add STM32 LTDC driver In-Reply-To: <1484573344-11609-1-git-send-email-yannick.fertre@st.com> References: <1484573344-11609-1-git-send-email-yannick.fertre@st.com> Message-ID: <1484573344-11609-2-git-send-email-yannick.fertre@st.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Signed-off-by: Yannick Fertre --- .../devicetree/bindings/display/st,ltdc.txt | 57 ++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/st,ltdc.txt diff --git a/Documentation/devicetree/bindings/display/st,ltdc.txt b/Documentation/devicetree/bindings/display/st,ltdc.txt new file mode 100644 index 0000000..20e89da --- /dev/null +++ b/Documentation/devicetree/bindings/display/st,ltdc.txt @@ -0,0 +1,57 @@ +* STMicroelectronics STM32 lcd-tft display controller + +- st-display-subsystem: Master device for DRM sub-components + This device must be the parent of all the sub-components and is responsible + of bind them. + Required properties: + - compatible: "st,display-subsystem" + - ranges: to allow probing of subdevices + +- ltdc_host: lcd-tft display controller host + must be a sub-node of st-display-subsystem + Required properties: + - compatible: "st,ltdc" + - reg: Physical base address of the IP registers and length of memory mapped region. + - clocks: from common clock binding: handle hardware IP needed clocks, the + number of clocks may depend of the SoC type. + See ../clocks/clock-bindings.txt for details. + - clock-names: names of the clocks listed in clocks property in the same + order. + - resets: resets to be used by the device + See ../reset/reset.txt for details. + - reset-names: names of the resets listed in resets property in the same + order. + Required nodes: + - Video port for RGB output. + +Example: + +/ { + ... + soc { + ... + st-display-subsystem { + compatible = "st,display-subsystem"; + #address-cells = <1>; + #size-cells = <1>; + ranges; + dma-ranges; + + ltdc_host: stm32-ltdc at 40016800 { + compatible = "st,ltdc"; + reg = <0x40016800 0x200>; + interrupts = <88>, <89>; + resets = <&rcc 314>; + clocks = <&rcc 1 8>; + clock-names = "clk-lcd"; + status = "disabled"; + + port { + ltdc_out_rgb: endpoint { + }; + }; + }; + }; + ... + }; +}; -- 1.9.1