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The display requires a 30MHz clock to display properly, and the LDB needs to run at 7x that. With the audio CODEC now moved to the AUDIO_PLL1, the AUDIO_PLL2 is now available to source the LDB at 210MHz and the DISP_PIX2. Signed-off-by: Adam Ford diff --git a/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts b/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts index 1f827ef38e36..731ee2667060 100644 --- a/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts +++ b/arch/arm64/boot/dts/freescale/imx8mp-beacon-kit.dts @@ -19,6 +19,26 @@ aliases { ethernet1 = &fec; }; + backlight: backlight { + compatible = "pwm-backlight"; + pwms = <&pwm2 0 100000 0>; + power-supply = <®_lcd1_reset>; + status = "okay"; + + brightness-levels = < 0 1 2 3 4 5 6 7 8 9 + 10 11 12 13 14 15 16 17 18 19 + 20 21 22 23 24 25 26 27 28 29 + 30 31 32 33 34 35 36 37 38 39 + 40 41 42 43 44 45 46 47 48 49 + 50 51 52 53 54 55 56 57 58 59 + 60 61 62 63 64 65 66 67 68 69 + 70 71 72 73 74 75 76 77 78 79 + 80 81 82 83 84 85 86 87 88 89 + 90 91 92 93 94 95 96 97 98 99 + 100>; + default-brightness-level = <80>; + }; + chosen { stdout-path = &uart2; }; @@ -135,6 +155,38 @@ led-3 { }; }; + lvds-1 { + compatible = "panel-lvds"; + power-supply = <®_lcd1>; + width-mm = <223>; + height-mm = <125>; + backlight = <&backlight>; + data-mapping = "vesa-24"; + + panel-timing { + /* 800x480@60Hz */ + clock-frequency = <30000000>; + hactive = <800>; + vactive = <480>; + hsync-len = <48>; + hfront-porch = <40>; + hback-porch = <40>; + vfront-porch = <13>; + vback-porch = <29>; + vsync-len = <1>; + hsync-active = <1>; + vsync-active = <3>; + de-active = <1>; + pixelclk-active = <0>; + }; + + port { + panel1_in: endpoint { + remote-endpoint = <&ldb_lvds_ch1>; + }; + }; + }; + reg_audio: regulator-wm8962 { compatible = "regulator-fixed"; regulator-name = "3v3_aud"; @@ -144,6 +196,25 @@ reg_audio: regulator-wm8962 { enable-active-high; }; + reg_lcd1_reset: regulator-lcd1-reset { + compatible = "regulator-fixed"; + regulator-name = "LVDS-1 reset"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&pca6416_3 13 GPIO_ACTIVE_HIGH>; + enable-active-high; + vin-supply = <®_lcd1>; + }; + + reg_lcd1: regulator-lcd1 { + compatible = "regulator-fixed"; + regulator-name = "lvds-1 power"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + gpio = <&pca6416_3 14 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + reg_usdhc2_vmmc: regulator-usdhc2 { compatible = "regulator-fixed"; regulator-name = "VSD_3V3"; @@ -457,6 +528,38 @@ &lcdif1 { status = "okay"; }; +&lcdif2 { + status = "okay"; +}; + +&lvds_bridge { + assigned-clocks = <&clk IMX8MP_CLK_MEDIA_LDB>, <&clk IMX8MP_AUDIO_PLL2_OUT>; + assigned-clock-parents = <&clk IMX8MP_AUDIO_PLL2_OUT>; + assigned-clock-rates = <210000000>, <210000000>; + status = "okay"; + + ports { + port@2 { + ldb_lvds_ch1: endpoint { + remote-endpoint = <&panel1_in>; + }; + }; + }; +}; + +&media_blk_ctrl { + assigned-clocks = <&clk IMX8MP_CLK_MEDIA_AXI>, + <&clk IMX8MP_CLK_MEDIA_APB>, + <&clk IMX8MP_CLK_MEDIA_DISP1_PIX>, + <&clk IMX8MP_CLK_MEDIA_DISP2_PIX>, + <&clk IMX8MP_VIDEO_PLL1>; + assigned-clock-parents = <&clk IMX8MP_SYS_PLL2_1000M>, + <&clk IMX8MP_SYS_PLL1_800M>, + <&clk IMX8MP_VIDEO_PLL1_OUT>, + <&clk IMX8MP_AUDIO_PLL2_OUT>; + assigned-clock-rates = <500000000>, <200000000>, <0>, <0>, <1039500000>; +}; + &micfil { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_pdm>; @@ -496,6 +599,12 @@ &pcie_phy { status = "okay"; }; +&pwm2 { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_pwm2>; +}; + &sai3 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_sai3>; @@ -596,6 +705,13 @@ &usdhc2 { }; &iomuxc { + + pinctrl_pwm2: pwm2grp { + fsl,pins = < + MX8MP_IOMUXC_GPIO1_IO09__PWM2_OUT 0x116 + >; + }; + pinctrl_ecspi2: ecspi2grp { fsl,pins = < MX8MP_IOMUXC_ECSPI2_SCLK__ECSPI2_SCLK 0x82 -- 2.43.0