Message ID | 20211225115308.2152364-1-nikita.yoush@cogentembedded.com |
---|---|
State | New |
Headers | show |
Series | arm64: dts: renesas: ulcb-kf: add KF HDMI output | expand |
Hi Nikita, On Sat, Dec 25, 2021 at 12:54 PM Nikita Yushchenko <nikita.yoush@cogentembedded.com> wrote: > This patch adds nodes needed to enable DRM video output over HDMI > connector located on KF board. > > Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com> Thanks for your patch! > --- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi > +++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi > @@ -51,6 +51,31 @@ wlan_en: regulator-wlan_en { > startup-delay-us = <70000>; > enable-active-high; > }; > + > + hdmi_1v8: regulator-hdmi-1v8 { > + compatible = "regulator-fixed"; > + regulator-name = "hdmi-1v8"; > + regulator-min-microvolt = <1800000>; > + regulator-max-microvolt = <1800000>; > + }; > + > + hdmi_3v3: regulator-hdmi-3v3 { > + compatible = "regulator-fixed"; > + regulator-name = "hdmi-3v3"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + }; > + > + hdmi1-out { Sort order. > + compatible = "hdmi-connector"; > + type = "a"; > + > + port { > + hdmi1_con: endpoint { > + remote-endpoint = <&adv7513_out>; > + }; > + }; > + }; > }; > > &can0 { > @@ -236,6 +313,10 @@ gpio_exp_77: gpio@77 { > }; > }; > > +&du_out_rgb { Sort order. > + remote-endpoint = <&adv7513_in>; > +}; > + > &ohci0 { > dr_mode = "otg"; > status = "okay"; > @@ -289,6 +370,18 @@ usb0_pins: usb0 { > groups = "usb0"; > function = "usb0"; > }; > + > + hdmi1_pins: hdmi1 { > + du { More sort order. > + groups = "du_rgb888", "du_sync", "du_clk_out_0", "du_disp"; > + function = "du"; > + }; > + > + adv7513-interrupt { > + pins = "GP_2_14"; > + bias-pull-up; > + }; > + }; > }; The rest looks good to me. Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> i.e. will queue in renesas-devel for v5.18 with the sort order fixed. Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
Hi Nikita, CC Mark. On Fri, Jan 21, 2022 at 11:18 AM Nikita Yushchenko <nikita.yoush@cogentembedded.com> wrote: > > Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> > > i.e. will queue in renesas-devel for v5.18 with the sort order fixed. > > Thank you. > > I have a question regarding defining regulators. > > In case when drivers expect regulators to be define, but physically chips are just wired to VCC (or to > some non-programmable power logic), what is the policy regarding regulator-fixed objects? > > Shall we define per-consumer regulator-fixed objects? > Or have a single regulator-fixed for each voltage? > Or not define regulators at all and let the code to create dummy regulators? > Or something else? That's a good question. I don't know if there is a policy. Mark? Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds
diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi index 61bd4df09df0..a66301a4081d 100644 --- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi +++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi @@ -51,6 +51,31 @@ wlan_en: regulator-wlan_en { startup-delay-us = <70000>; enable-active-high; }; + + hdmi_1v8: regulator-hdmi-1v8 { + compatible = "regulator-fixed"; + regulator-name = "hdmi-1v8"; + regulator-min-microvolt = <1800000>; + regulator-max-microvolt = <1800000>; + }; + + hdmi_3v3: regulator-hdmi-3v3 { + compatible = "regulator-fixed"; + regulator-name = "hdmi-3v3"; + regulator-min-microvolt = <3300000>; + regulator-max-microvolt = <3300000>; + }; + + hdmi1-out { + compatible = "hdmi-connector"; + type = "a"; + + port { + hdmi1_con: endpoint { + remote-endpoint = <&adv7513_out>; + }; + }; + }; }; &can0 { @@ -91,6 +116,58 @@ i2cswitch2: i2c-switch@71 { reg = <0x71>; reset-gpios = <&gpio5 3 GPIO_ACTIVE_LOW>; + /* HDMIoSDA, HDMIoSCL */ + i2c@4 { + #address-cells = <1>; + #size-cells = <0>; + reg = <4>; + + hdmi@3d { + compatible = "adi,adv7513"; + reg = <0x3d>; + + pinctrl-0 = <&hdmi1_pins>; + pinctrl-names = "default"; + + interrupt-parent = <&gpio2>; + interrupts = <14 IRQ_TYPE_LEVEL_LOW>; + + clocks = <&cs2000>; + clock-names = "cec"; + + pd-gpios = <&gpio_exp_75 5 GPIO_ACTIVE_LOW>; + + avdd-supply = <&hdmi_1v8>; + dvdd-supply = <&hdmi_1v8>; + pvdd-supply = <&hdmi_1v8>; + dvdd-3v-supply = <&hdmi_3v3>; + bgvdd-supply = <&hdmi_1v8>; + + adi,input-depth = <8>; + adi,input-colorspace = "rgb"; + adi,input-clock = "1x"; + + ports { + #address-cells = <1>; + #size-cells = <0>; + + port@0 { + reg = <0>; + adv7513_in: endpoint { + remote-endpoint = <&du_out_rgb>; + }; + }; + + port@1 { + reg = <1>; + adv7513_out: endpoint { + remote-endpoint = <&hdmi1_con>; + }; + }; + }; + }; + }; + /* Audio_SDA, Audio_SCL */ i2c@7 { #address-cells = <1>; @@ -236,6 +313,10 @@ gpio_exp_77: gpio@77 { }; }; +&du_out_rgb { + remote-endpoint = <&adv7513_in>; +}; + &ohci0 { dr_mode = "otg"; status = "okay"; @@ -289,6 +370,18 @@ usb0_pins: usb0 { groups = "usb0"; function = "usb0"; }; + + hdmi1_pins: hdmi1 { + du { + groups = "du_rgb888", "du_sync", "du_clk_out_0", "du_disp"; + function = "du"; + }; + + adv7513-interrupt { + pins = "GP_2_14"; + bias-pull-up; + }; + }; }; &rcar_sound {
This patch adds nodes needed to enable DRM video output over HDMI connector located on KF board. Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com> --- arch/arm64/boot/dts/renesas/ulcb-kf.dtsi | 93 ++++++++++++++++++++++++ 1 file changed, 93 insertions(+)