| Message ID | 20240827064717.2383292-2-victor.liu@nxp.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | arm64: dts: imx93-11x11-evk: Add PWM backlight for "LVDS" connector | expand |
On Tue, Aug 27, 2024 at 02:47:16PM +0800, Liu Ying wrote: > J702 on i.MX93 11x11 EVK base board is a 40-pin connector labelled > "LVDS". This connector supports PWM backlight with default 12V power > supply and ADP5585 PWM controller. Add support for the backlight. > > Signed-off-by: Liu Ying <victor.liu@nxp.com> > --- > This patch is based on next-20240826. > > .../boot/dts/freescale/imx93-11x11-evk.dts | 30 +++++++++++++++++++ > 1 file changed, 30 insertions(+) > > diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts > index 60eb64761392..8d036b3962e9 100644 > --- a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts > +++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts > @@ -62,6 +62,15 @@ vdevbuffer: vdevbuffer@a4020000 { > > }; > > + reg_vdd_12v: regulator-vdd-12v { > + compatible = "regulator-fixed"; > + regulator-name = "VDD_12V"; > + regulator-min-microvolt = <12000000>; > + regulator-max-microvolt = <12000000>; > + gpio = <&pcal6524 14 GPIO_ACTIVE_HIGH>; > + enable-active-high; > + }; > + > reg_vref_1v8: regulator-adc-vref { > compatible = "regulator-fixed"; > regulator-name = "vref_1v8"; > @@ -81,6 +90,17 @@ reg_usdhc2_vmmc: regulator-usdhc2 { > enable-active-high; > }; > > + backlight_lvds: backlight-lvds { > + compatible = "pwm-backlight"; > + pwms = <&adp5585 0 100000 0>; > + brightness-levels = <0 100>; > + num-interpolated-steps = <100>; > + default-brightness-level = <100>; > + power-supply = <®_vdd_12v>; > + enable-gpios = <&adp5585 9 GPIO_ACTIVE_HIGH>; > + status = "disabled"; > + }; > + > bt_sco_codec: bt-sco-codec { > compatible = "linux,bt-sco"; > #sound-dai-cells = <1>; > @@ -302,6 +322,16 @@ ldo5: LDO5 { > }; > }; > }; > + > + adp5585: io-expander@34 { > + compatible = "adi,adp5585-00", "adi,adp5585"; > + reg = <0x34>; > + vdd-supply = <&buck4>; > + gpio-controller; > + #gpio-cells = <2>; > + gpio-reserved-ranges = <5 1>; > + #pwm-cells = <3>; > + }; This part will be conflict with https://lore.kernel.org/imx/172476183829.3553281.6314012832354346473.robh@kernel.org/T/#m5e2189badf00653200421880c209312fc0aba7f3 Can I merge this to one set? Frank > }; > > &lpi2c3 { > -- > 2.34.1 >
diff --git a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts index 60eb64761392..8d036b3962e9 100644 --- a/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts +++ b/arch/arm64/boot/dts/freescale/imx93-11x11-evk.dts @@ -62,6 +62,15 @@ vdevbuffer: vdevbuffer@a4020000 { }; + reg_vdd_12v: regulator-vdd-12v { + compatible = "regulator-fixed"; + regulator-name = "VDD_12V"; + regulator-min-microvolt = <12000000>; + regulator-max-microvolt = <12000000>; + gpio = <&pcal6524 14 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; + reg_vref_1v8: regulator-adc-vref { compatible = "regulator-fixed"; regulator-name = "vref_1v8"; @@ -81,6 +90,17 @@ reg_usdhc2_vmmc: regulator-usdhc2 { enable-active-high; }; + backlight_lvds: backlight-lvds { + compatible = "pwm-backlight"; + pwms = <&adp5585 0 100000 0>; + brightness-levels = <0 100>; + num-interpolated-steps = <100>; + default-brightness-level = <100>; + power-supply = <®_vdd_12v>; + enable-gpios = <&adp5585 9 GPIO_ACTIVE_HIGH>; + status = "disabled"; + }; + bt_sco_codec: bt-sco-codec { compatible = "linux,bt-sco"; #sound-dai-cells = <1>; @@ -302,6 +322,16 @@ ldo5: LDO5 { }; }; }; + + adp5585: io-expander@34 { + compatible = "adi,adp5585-00", "adi,adp5585"; + reg = <0x34>; + vdd-supply = <&buck4>; + gpio-controller; + #gpio-cells = <2>; + gpio-reserved-ranges = <5 1>; + #pwm-cells = <3>; + }; }; &lpi2c3 {
J702 on i.MX93 11x11 EVK base board is a 40-pin connector labelled "LVDS". This connector supports PWM backlight with default 12V power supply and ADP5585 PWM controller. Add support for the backlight. Signed-off-by: Liu Ying <victor.liu@nxp.com> --- This patch is based on next-20240826. .../boot/dts/freescale/imx93-11x11-evk.dts | 30 +++++++++++++++++++ 1 file changed, 30 insertions(+)