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    Subject[PATCH v2 15/15] arm64: dts: allwinner: bananapi-m64: Bananapi S070WV20-CT16 DSI panel
    Date
    This patch add support for Bananapi S070WV20-CT16 DSI panel to
    BPI-M64 board.

    DSI panel connected via board DSI port with,
    - DC1SW as AVDD supply
    - DCDC1 as DVDD supply
    - PD6 gpio for reset pin
    - PD5 gpio for backlight enable pin
    - PD7 gpio for backlight vdd supply

    Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
    ---
    Changes for v2:
    - Use quadratic rule on pwm brightness

    .../dts/allwinner/sun50i-a64-bananapi-m64.dts | 42 +++++++++++++++++++
    1 file changed, 42 insertions(+)

    diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
    index ef1c90401bb2..e0c6d1870a94 100644
    --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
    +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-bananapi-m64.dts
    @@ -45,6 +45,7 @@
    #include "sun50i-a64.dtsi"

    #include <dt-bindings/gpio/gpio.h>
    +#include <dt-bindings/pwm/pwm.h>

    / {
    model = "BananaPi-M64";
    @@ -56,6 +57,24 @@
    serial1 = &uart1;
    };

    + vdd_bl: regulator@0 {
    + compatible = "regulator-fixed";
    + regulator-name = "bl-3v3";
    + regulator-min-microvolt = <3300000>;
    + regulator-max-microvolt = <3300000>;
    + gpio = <&pio 3 7 GPIO_ACTIVE_HIGH>; /* PD7 */
    + enable-active-high;
    + };
    +
    + backlight_dsi: backlight-dsi {
    + compatible = "pwm-backlight";
    + pwms = <&r_pwm 0 50000 PWM_POLARITY_INVERTED>;
    + brightness-levels = <1 2 4 8 16 32 64 128 512>;
    + default-brightness-level = <2>;
    + enable-gpios = <&pio 3 5 GPIO_ACTIVE_HIGH>; /* PD5 */
    + power-supply = <&vdd_bl>;
    + };
    +
    chosen {
    stdout-path = "serial0:115200n8";
    };
    @@ -101,6 +120,23 @@
    status = "okay";
    };

    +&dphy {
    + status = "okay";
    +};
    +
    +&dsi {
    + status = "okay";
    +
    + panel@0 {
    + compatible = "bananapi,s070wv20-ct16-icn6211";
    + reg = <0>;
    + avdd-supply = <&reg_dc1sw>;
    + dvdd-supply = <&reg_dldo1>;
    + reset-gpios = <&pio 3 6 GPIO_ACTIVE_HIGH>; /* PD6 */
    + backlight = <&backlight_dsi>;
    + };
    +};
    +
    &ehci0 {
    status = "okay";
    };
    @@ -193,6 +229,12 @@
    status = "okay";
    };

    +&r_pwm {
    + pinctrl-names = "default";
    + pinctrl-0 = <&r_pwm_pin>;
    + status = "okay";
    +};
    +
    &r_rsb {
    status = "okay";

    --
    2.18.0.321.gffc6fa0e3
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