Add documentation for lt070me05000 panel

Cc: Archit Taneja archit.taneja@gmail.com Cc: John Stultz john.stultz@linaro.org Cc: Thierry Reding thierry.reding@gmail.com Cc: Sumit Semwal sumit.semwal@linaro.org Signed-off-by: Vinay Simha BN simhavcs@gmail.com Acked-by: Rob Herring robh@kernel.org

-- v2: * incorporated rob herring and thierry reviews gpio to gpios, gpio to regulator using fixed regulators and pwm backlight is removed, since it is controlled by dcs commands --- .../bindings/display/panel/jdi,lt070me05000.txt | 57 ++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/panel/jdi,lt070me05000.txt

diff --git a/Documentation/devicetree/bindings/display/panel/jdi,lt070me05000.txt b/Documentation/devicetree/bindings/display/panel/jdi,lt070me05000.txt new file mode 100644 index 0000000..613b76f --- /dev/null +++ b/Documentation/devicetree/bindings/display/panel/jdi,lt070me05000.txt @@ -0,0 +1,57 @@ +JDI model LT070ME05000 1200x1920 7" DSI Panel + +Required properties: +- compatible: should be "jdi,lt070me05000" +- vddp-supply: phandle of the regulator that provides the supply voltage + Power IC supply (3-5V) +- dcdc_en-supply: phandle of the regulator that provides the supply voltage + Power IC supply enable, High active +- vcc-supply: phandle of the regulator that provides the supply voltage + IOVCC , power supply for LCM (1.8V) +- reset-gpios: phandle of gpio for reset line + This should be 8mA, gpio can be configured using mux, pinctrl, pinctrl-names + XRES, Reset, Low active +- enable-gpios: phandle of gpio for enable line + LED_EN, LED backlight enable, High active + +Example: + + vcc_1p8v: regulator-fixed@2 { + compatible = "regulator-fixed"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + regulator-name = "vcc_1p8v"; + regulator-type = "voltage"; + startup-delay-us = <0>; + gpio = <&pm8921_gpio 23 GPIO_ACTIVE_HIGH>; + enable-active-high; + regulator-boot-on; + }; + + tlmm_pinmux: pinctrl@800000 { + + dsi_panel_pinctrl: dsi-panel-pinctrl { + mux { + pins = "gpio54"; + function = "gpio"; + bias-pull-up; + drive-strength = <8>; + }; + }; + }; + + dsi0: qcom,mdss_dsi@4700000 { + panel@0 { + compatible = "jdi,lt070me05000"; + reg = <0>; + pinctrl-names = "default"; + pinctrl-0 = <&dsi_panel_pinctrl>; + + vddp-supply = <&pm8921_l17>; + dcdc_en-supply = <&pm8921_lvs7>; + vcc-supply = <&vcc_1p8v>; + + reset-gpios = <&tlmm_pinmux 54 0>; + enable-gpios = <&pm8921_gpio 36 GPIO_ACTIVE_HIGH>; + }; + };