lkml.org 
[lkml]   [2019]   [Jan]   [24]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
    Patch in this message
    /
    From
    Subject[PATCH v6 22/22] arm64: dts: allwinner: a64-amarula-relic: Add Techstar TS8550B MIPI-DSI panel
    Date
    Amarula A64-Relic board by default bound with Techstar TS8550B
    MIPI-DSI panel, add support for it.

    DSI panel connected via board DSI port with,
    - DLDO2 as VCC supply
    - DLDO2 as IOVCC supply
    - DLDO1 as VCC-DSI supply
    - PD24 gpio for reset pin
    - PD23 gpio for backlight enable pin

    Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
    ---
    .../allwinner/sun50i-a64-amarula-relic.dts | 39 +++++++++++++++++++
    1 file changed, 39 insertions(+)

    diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts
    index f180c841ac3c..703055f2a4fb 100644
    --- a/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts
    +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64-amarula-relic.dts
    @@ -9,6 +9,7 @@
    #include "sun50i-a64.dtsi"

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

    / {
    model = "Amarula A64-Relic";
    @@ -18,6 +19,14 @@
    serial0 = &uart0;
    };

    + backlight: backlight {
    + compatible = "pwm-backlight";
    + pwms = <&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 23 GPIO_ACTIVE_HIGH>; /* LCD-BL-EN: PD23 */
    + };
    +
    chosen {
    stdout-path = "serial0:115200n8";
    };
    @@ -83,6 +92,30 @@
    };
    };

    +&de {
    + status = "okay";
    +};
    +
    +&dphy {
    + status = "okay";
    +};
    +
    +&dsi {
    + vcc-dsi-supply = <&reg_dldo1>;
    + #address-cells = <1>;
    + #size-cells = <0>;
    + status = "okay";
    +
    + panel@0 {
    + compatible = "techstar,ts8550b", "sitronix,st7701";
    + reg = <0>;
    + VCC-supply = <&reg_dldo2>;
    + IOVCC-supply = <&reg_dldo2>;
    + reset-gpios = <&pio 3 24 GPIO_ACTIVE_HIGH>; /* LCD-RST: PD24 */
    + backlight = <&backlight>;
    + };
    +};
    +
    &ehci0 {
    status = "okay";
    };
    @@ -160,6 +193,12 @@
    status = "okay";
    };

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

    --
    2.18.0.321.gffc6fa0e3
    \
     
     \ /
      Last update: 2019-01-24 21:02    [W:4.053 / U:0.312 seconds]
    ©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site