redonkable/alistair23-linux
redonkable/alistair23-linux
1
0
Fork 0
Code Releases Activity

arm64: dts: imx8qm-mek: Add LVDS0/1 PWM backlight support

Browse source 
This patch adds LVDS0/1 PWM backlight support
for the i.MX8QM MEK platform.

Signed-off-by: Liu Ying <victor.liu@nxp.com>
This commit is contained in:
Liu Ying 2019-11-14 16:24:01 +08:00 committed by Dong Aisheng
parent 099c2eaed2
commit cf3eb6cd8f
1 changed files with 60 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

60
arch/arm64/boot/dts/freescale/imx8qm-mek.dts
View file

@ -30,6 +30,42 @@
pinctrl-2 = <&pinctrl_wifi>;
};
lvds_backlight0: lvds_backlight@0 {
compatible = "pwm-backlight";
pwms = <&pwm_lvds0 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 = <&pwm_lvds1 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>;
};
modem_reset: modem-reset {
compatible = "gpio-reset";
pinctrl-names = "default", "sleep";
@ -434,6 +470,12 @@
status = "okay";
};
&pwm_lvds0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pwm_lvds0>;
status = "okay";
};
&i2c1_lvds0 {
#address-cells = <1>;
#size-cells = <0>;
@ -545,6 +587,12 @@
status = "okay";
};
&pwm_lvds1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pwm_lvds1>;
status = "okay";
};
&i2c1_lvds1 {
#address-cells = <1>;
#size-cells = <0>;
@ -1232,6 +1280,18 @@
>;
};
pinctrl_pwm_lvds0: pwmlvds0grp {
fsl,pins = <
IMX8QM_LVDS0_GPIO00_LVDS0_PWM0_OUT 0x00000020
>;
};
pinctrl_pwm_lvds1: pwmlvds1grp {
fsl,pins = <
IMX8QM_LVDS1_GPIO00_LVDS1_PWM0_OUT 0x00000020
>;
};
pinctrl_modem_reset: modemresetgrp {
fsl,pins = <
IMX8QM_QSPI1A_DQS_LSIO_GPIO4_IO22 0x06000021