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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /Documentation/devicetree/bindings/display/mxsfb.txt | |
parent | Initial commit. (diff) | |
download | linux-upstream/5.10.209.tar.xz linux-upstream/5.10.209.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | Documentation/devicetree/bindings/display/mxsfb.txt | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/display/mxsfb.txt b/Documentation/devicetree/bindings/display/mxsfb.txt new file mode 100644 index 000000000..c985871c4 --- /dev/null +++ b/Documentation/devicetree/bindings/display/mxsfb.txt @@ -0,0 +1,87 @@ +* Freescale MXS LCD Interface (LCDIF) + +New bindings: +============= +Required properties: +- compatible: Should be "fsl,imx23-lcdif" for i.MX23. + Should be "fsl,imx28-lcdif" for i.MX28. + Should be "fsl,imx6sx-lcdif" for i.MX6SX. + Should be "fsl,imx8mq-lcdif" for i.MX8MQ. +- reg: Address and length of the register set for LCDIF +- interrupts: Should contain LCDIF interrupt +- clocks: A list of phandle + clock-specifier pairs, one for each + entry in 'clock-names'. +- clock-names: A list of clock names. For MXSFB it should contain: + - "pix" for the LCDIF block clock + - (MX6SX-only) "axi", "disp_axi" for the bus interface clock + +Required sub-nodes: + - port: The connection to an encoder chip. + +Example: + + lcdif1: display-controller@2220000 { + compatible = "fsl,imx6sx-lcdif", "fsl,imx28-lcdif"; + reg = <0x02220000 0x4000>; + interrupts = <GIC_SPI 5 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clks IMX6SX_CLK_LCDIF1_PIX>, + <&clks IMX6SX_CLK_LCDIF_APB>, + <&clks IMX6SX_CLK_DISPLAY_AXI>; + clock-names = "pix", "axi", "disp_axi"; + + port { + parallel_out: endpoint { + remote-endpoint = <&panel_in_parallel>; + }; + }; + }; + +Deprecated bindings: +==================== +Required properties: +- compatible: Should be "fsl,imx23-lcdif" for i.MX23. + Should be "fsl,imx28-lcdif" for i.MX28. +- reg: Address and length of the register set for LCDIF +- interrupts: Should contain LCDIF interrupts +- display: phandle to display node (see below for details) + +* display node + +Required properties: +- bits-per-pixel: <16> for RGB565, <32> for RGB888/666. +- bus-width: number of data lines. Could be <8>, <16>, <18> or <24>. + +Required sub-node: +- display-timings: Refer to binding doc display-timing.txt for details. + +Examples: + +lcdif@80030000 { + compatible = "fsl,imx28-lcdif"; + reg = <0x80030000 2000>; + interrupts = <38 86>; + + display: display { + bits-per-pixel = <32>; + bus-width = <24>; + + display-timings { + native-mode = <&timing0>; + timing0: timing0 { + clock-frequency = <33500000>; + hactive = <800>; + vactive = <480>; + hfront-porch = <164>; + hback-porch = <89>; + hsync-len = <10>; + vback-porch = <23>; + vfront-porch = <10>; + vsync-len = <10>; + hsync-active = <0>; + vsync-active = <0>; + de-active = <1>; + pixelclk-active = <0>; + }; + }; + }; +}; |