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https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
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efcfac3e8e
The tc358765 is similar to tc358775. The tc358765 just an earlier version of the hardware, and it's pin and register compatible with tc358775 for most part. From the binding point of view the only difference is that the tc358765 does not have stdby-gpios. Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Robert Foss <rfoss@kernel.org> Link: https://patchwork.freedesktop.org/patch/msgid/20240225062008.33191-4-tony@atomide.com
234 lines
5.7 KiB
YAML
234 lines
5.7 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/display/bridge/toshiba,tc358775.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Toshiba TC358775 DSI to LVDS bridge
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maintainers:
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- Vinay Simha BN <simhavcs@gmail.com>
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description: |
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This binding supports DSI to LVDS bridges TC358765 and TC358775
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MIPI DSI-RX Data 4-lane, CLK 1-lane with data rates up to 800 Mbps/lane.
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Video frame size:
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Up to 1600x1200 24-bit/pixel resolution for single-link LVDS display panel
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limited by 135 MHz LVDS speed
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Up to WUXGA (1920x1200 24-bit pixels) resolution for dual-link LVDS display
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panel, limited by 270 MHz LVDS speed.
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properties:
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compatible:
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enum:
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- toshiba,tc358765
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- toshiba,tc358775
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reg:
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maxItems: 1
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description: i2c address of the bridge, 0x0f
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vdd-supply:
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description: 1.2V LVDS Power Supply
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vddio-supply:
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description: 1.8V IO Power Supply
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stby-gpios:
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maxItems: 1
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description: Standby pin, Low active
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reset-gpios:
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maxItems: 1
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description: Hardware reset, Low active
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ports:
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$ref: /schemas/graph.yaml#/properties/ports
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properties:
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port@0:
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$ref: /schemas/graph.yaml#/$defs/port-base
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unevaluatedProperties: false
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description: |
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DSI Input. The remote endpoint phandle should be a
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reference to a valid mipi_dsi_host device node.
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properties:
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endpoint:
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$ref: /schemas/media/video-interfaces.yaml#
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unevaluatedProperties: false
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properties:
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data-lanes:
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description: array of physical DSI data lane indexes.
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minItems: 1
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items:
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- const: 1
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- const: 2
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- const: 3
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- const: 4
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port@1:
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$ref: /schemas/graph.yaml#/properties/port
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description: |
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Video port for LVDS output (panel or connector).
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port@2:
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$ref: /schemas/graph.yaml#/properties/port
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description: |
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Video port for Dual link LVDS output (panel or connector).
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required:
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- port@0
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- port@1
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required:
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- compatible
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- reg
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- vdd-supply
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- vddio-supply
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- reset-gpios
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- ports
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allOf:
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- if:
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properties:
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compatible:
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contains:
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const: toshiba,tc358765
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then:
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properties:
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stby-gpios: false
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/gpio/gpio.h>
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/* For single-link LVDS display panel */
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i2c@78b8000 {
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/* On High speed expansion */
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label = "HS-I2C2";
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reg = <0x078b8000 0x500>;
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clock-frequency = <400000>; /* fastmode operation */
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#address-cells = <1>;
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#size-cells = <0>;
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tc_bridge: bridge@f {
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compatible = "toshiba,tc358775";
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reg = <0x0f>;
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vdd-supply = <&pm8916_l2>;
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vddio-supply = <&pm8916_l6>;
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stby-gpios = <&msmgpio 99 GPIO_ACTIVE_LOW>;
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reset-gpios = <&msmgpio 72 GPIO_ACTIVE_LOW>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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d2l_in_test: endpoint {
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remote-endpoint = <&dsi0_out>;
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data-lanes = <1 2 3 4>;
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};
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};
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port@1 {
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reg = <1>;
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lvds_out: endpoint {
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remote-endpoint = <&panel_in>;
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};
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};
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};
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};
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};
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dsi@1a98000 {
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reg = <0x1a98000 0x25c>;
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reg-names = "dsi_ctrl";
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@1 {
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reg = <1>;
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dsi0_out: endpoint {
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remote-endpoint = <&d2l_in_test>;
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};
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};
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};
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};
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- |
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/* For dual-link LVDS display panel */
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i2c@78b8000 {
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/* On High speed expansion */
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label = "HS-I2C2";
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reg = <0x078b8000 0x500>;
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clock-frequency = <400000>; /* fastmode operation */
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#address-cells = <1>;
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#size-cells = <0>;
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tc_bridge_dual: bridge@f {
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compatible = "toshiba,tc358775";
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reg = <0x0f>;
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vdd-supply = <&pm8916_l2>;
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vddio-supply = <&pm8916_l6>;
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stby-gpios = <&msmgpio 99 GPIO_ACTIVE_LOW>;
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reset-gpios = <&msmgpio 72 GPIO_ACTIVE_LOW>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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d2l_in_dual: endpoint {
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remote-endpoint = <&dsi0_out_dual>;
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data-lanes = <1 2 3 4>;
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};
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};
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port@1 {
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reg = <1>;
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lvds0_out: endpoint {
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remote-endpoint = <&panel_in0>;
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};
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};
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port@2 {
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reg = <2>;
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lvds1_out: endpoint {
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remote-endpoint = <&panel_in1>;
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};
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};
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};
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};
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};
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dsi@1a98000 {
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reg = <0x1a98000 0x25c>;
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reg-names = "dsi_ctrl";
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@1 {
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reg = <1>;
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dsi0_out_dual: endpoint {
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remote-endpoint = <&d2l_in_dual>;
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};
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};
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};
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};
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...
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