diff options
| author | Liu Ying <victor.liu@nxp.com> | 2017-11-24 10:39:34 +0800 |
|---|---|---|
| committer | Jason Liu <jason.hui.liu@nxp.com> | 2019-02-12 10:29:29 +0800 |
| commit | 352abf741de933abecced62f8c7d00ee790b6b7d (patch) | |
| tree | ee384976e7476e7584207051ce6d1068d8aed80b /arch/arm64/boot/dts/freescale/fsl-imx8qm-lpddr4-arm2.dts | |
| parent | c68df313c84f47dc10a2f3f4160ecd2e0319f621 (diff) | |
MLK-16973-7 arm64: dts: fsl-imx8qm-lpddr4-arm2: Add LVDS0/1 PWM backlight support
This patch adds LVDS0/1 PWM backlight support
for the i.MX8QM LPDDR4 ARM2 platform.
Signed-off-by: Liu Ying <victor.liu@nxp.com>
Diffstat (limited to 'arch/arm64/boot/dts/freescale/fsl-imx8qm-lpddr4-arm2.dts')
| -rw-r--r-- | arch/arm64/boot/dts/freescale/fsl-imx8qm-lpddr4-arm2.dts | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/freescale/fsl-imx8qm-lpddr4-arm2.dts b/arch/arm64/boot/dts/freescale/fsl-imx8qm-lpddr4-arm2.dts index b0a301fadfd4..e10fbaa9b2a4 100644 --- a/arch/arm64/boot/dts/freescale/fsl-imx8qm-lpddr4-arm2.dts +++ b/arch/arm64/boot/dts/freescale/fsl-imx8qm-lpddr4-arm2.dts @@ -92,6 +92,42 @@ audio-cpu = <&sai_hdmi_tx>; protocol = <1>; }; + + lvds_backlight0: lvds_backlight@0 { + compatible = "pwm-backlight"; + pwms = <&lvds0_pwm 0 100000 0>; + + 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>; + }; + + lvds_backlight1: lvds_backlight@1 { + compatible = "pwm-backlight"; + pwms = <&lvds1_pwm 0 100000 0>; + + 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>; + }; }; &acm { @@ -463,6 +499,18 @@ SC_P_USB_SS3_TC0_CONN_USB_OTG1_PWR 0x00000021 >; }; + + pinctrl_lvds0_pwm0: lvds0pwm0grp { + fsl,pins = < + SC_P_LVDS0_GPIO00_LVDS0_PWM0_OUT 0x00000020 + >; + }; + + pinctrl_lvds1_pwm0: lvds1pwm0grp { + fsl,pins = < + SC_P_LVDS1_GPIO00_LVDS1_PWM0_OUT 0x00000020 + >; + }; }; }; @@ -868,6 +916,18 @@ status = "okay"; }; +&lvds0_pwm { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_lvds0_pwm0>; + status = "okay"; +}; + +&lvds1_pwm { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_lvds1_pwm0>; + status = "okay"; +}; + &ldb1_phy { status = "okay"; }; |