| Message ID | 20211005155923.173399-8-marcan@marcan.st (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | Apple SoC PMGR device power states driver | expand |
> From: Hector Martin <marcan@marcan.st> > Date: Wed, 6 Oct 2021 00:59:23 +0900 > > This UART is connected to the debug port of the WLAN module. It is > mostly useless, but makes for a good test case for runtime-pm without > having to unbind the console from the main system UART. > > Signed-off-by: Hector Martin <marcan@marcan.st> > --- > arch/arm64/boot/dts/apple/t8103-j274.dts | 5 +++++ > arch/arm64/boot/dts/apple/t8103.dtsi | 12 ++++++++++++ > 2 files changed, 17 insertions(+) Doesn't break U-Boot or OpenBSD. Reviewed-by: Mark Kettenis <kettenis@openbsd.org> > diff --git a/arch/arm64/boot/dts/apple/t8103-j274.dts b/arch/arm64/boot/dts/apple/t8103-j274.dts > index e0f6775b9878..16c5eb7f53b1 100644 > --- a/arch/arm64/boot/dts/apple/t8103-j274.dts > +++ b/arch/arm64/boot/dts/apple/t8103-j274.dts > @@ -17,6 +17,7 @@ / { > > aliases { > serial0 = &serial0; > + serial2 = &serial2; > }; > > chosen { > @@ -43,3 +44,7 @@ memory@800000000 { > &serial0 { > status = "okay"; > }; > + > +&serial2 { > + status = "okay"; > +}; > diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi > index 63056ddc7ef7..844ed7bd0451 100644 > --- a/arch/arm64/boot/dts/apple/t8103.dtsi > +++ b/arch/arm64/boot/dts/apple/t8103.dtsi > @@ -126,6 +126,18 @@ serial0: serial@235200000 { > status = "disabled"; > }; > > + serial2: serial@235208000 { > + compatible = "apple,s5l-uart"; > + reg = <0x2 0x35208000 0x0 0x1000>; > + reg-io-width = <4>; > + interrupt-parent = <&aic>; > + interrupts = <AIC_IRQ 607 IRQ_TYPE_LEVEL_HIGH>; > + clocks = <&clkref>, <&clkref>; > + clock-names = "uart", "clk_uart_baud0"; > + power-domains = <&ps_uart2>; > + status = "disabled"; > + }; > + > aic: interrupt-controller@23b100000 { > compatible = "apple,t8103-aic", "apple,aic"; > #interrupt-cells = <3>; > -- > 2.33.0 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel >
diff --git a/arch/arm64/boot/dts/apple/t8103-j274.dts b/arch/arm64/boot/dts/apple/t8103-j274.dts index e0f6775b9878..16c5eb7f53b1 100644 --- a/arch/arm64/boot/dts/apple/t8103-j274.dts +++ b/arch/arm64/boot/dts/apple/t8103-j274.dts @@ -17,6 +17,7 @@ / { aliases { serial0 = &serial0; + serial2 = &serial2; }; chosen { @@ -43,3 +44,7 @@ memory@800000000 { &serial0 { status = "okay"; }; + +&serial2 { + status = "okay"; +}; diff --git a/arch/arm64/boot/dts/apple/t8103.dtsi b/arch/arm64/boot/dts/apple/t8103.dtsi index 63056ddc7ef7..844ed7bd0451 100644 --- a/arch/arm64/boot/dts/apple/t8103.dtsi +++ b/arch/arm64/boot/dts/apple/t8103.dtsi @@ -126,6 +126,18 @@ serial0: serial@235200000 { status = "disabled"; }; + serial2: serial@235208000 { + compatible = "apple,s5l-uart"; + reg = <0x2 0x35208000 0x0 0x1000>; + reg-io-width = <4>; + interrupt-parent = <&aic>; + interrupts = <AIC_IRQ 607 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clkref>, <&clkref>; + clock-names = "uart", "clk_uart_baud0"; + power-domains = <&ps_uart2>; + status = "disabled"; + }; + aic: interrupt-controller@23b100000 { compatible = "apple,t8103-aic", "apple,aic"; #interrupt-cells = <3>;
This UART is connected to the debug port of the WLAN module. It is mostly useless, but makes for a good test case for runtime-pm without having to unbind the console from the main system UART. Signed-off-by: Hector Martin <marcan@marcan.st> --- arch/arm64/boot/dts/apple/t8103-j274.dts | 5 +++++ arch/arm64/boot/dts/apple/t8103.dtsi | 12 ++++++++++++ 2 files changed, 17 insertions(+)