| Message ID | 8465b7562bcf53a0adfdd4ae01b3ed94d6d5bc54.1712160869.git.lorenzo@kernel.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | Introduce clock support for Airoha EN7581 SoC | expand |
Il 03/04/24 18:20, Lorenzo Bianconi ha scritto: > Introduce the Airoha EN7581 clock node in Airoha EN7581 dtsi > > Tested-by: Zhengping Zhang <zhengping.zhang@airoha.com> > Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> > --- > arch/arm64/boot/dts/airoha/en7581.dtsi | 9 +++++++++ > 1 file changed, 9 insertions(+) > > diff --git a/arch/arm64/boot/dts/airoha/en7581.dtsi b/arch/arm64/boot/dts/airoha/en7581.dtsi > index 55eb1762fb11..a1daaaef0de0 100644 > --- a/arch/arm64/boot/dts/airoha/en7581.dtsi > +++ b/arch/arm64/boot/dts/airoha/en7581.dtsi > @@ -2,6 +2,7 @@ > > #include <dt-bindings/interrupt-controller/irq.h> > #include <dt-bindings/interrupt-controller/arm-gic.h> > +#include <dt-bindings/clock/en7523-clk.h> > > / { > interrupt-parent = <&gic>; > @@ -150,5 +151,13 @@ uart1: serial@1fbf0000 { > interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>; > clock-frequency = <1843200>; > }; > + > + scu: system-controller@1fa20000 { Uhm, why is this not a clock-controller but a system-controller? Cheers, Angelo > + compatible = "airoha,en7581-scu"; > + reg = <0x0 0x1fa20000 0x0 0x400>, > + <0x0 0x1fb00000 0x0 0x1000>, > + <0x0 0x1fbe3400 0x0 0xfc>; > + #clock-cells = <1>; > + }; > }; > };
> Il 03/04/24 18:20, Lorenzo Bianconi ha scritto: > > Introduce the Airoha EN7581 clock node in Airoha EN7581 dtsi > > > > Tested-by: Zhengping Zhang <zhengping.zhang@airoha.com> > > Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> > > --- > > arch/arm64/boot/dts/airoha/en7581.dtsi | 9 +++++++++ > > 1 file changed, 9 insertions(+) > > > > diff --git a/arch/arm64/boot/dts/airoha/en7581.dtsi b/arch/arm64/boot/dts/airoha/en7581.dtsi > > index 55eb1762fb11..a1daaaef0de0 100644 > > --- a/arch/arm64/boot/dts/airoha/en7581.dtsi > > +++ b/arch/arm64/boot/dts/airoha/en7581.dtsi > > @@ -2,6 +2,7 @@ > > #include <dt-bindings/interrupt-controller/irq.h> > > #include <dt-bindings/interrupt-controller/arm-gic.h> > > +#include <dt-bindings/clock/en7523-clk.h> > > / { > > interrupt-parent = <&gic>; > > @@ -150,5 +151,13 @@ uart1: serial@1fbf0000 { > > interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>; > > clock-frequency = <1843200>; > > }; > > + > > + scu: system-controller@1fa20000 { > > Uhm, why is this not a clock-controller but a system-controller? I used the same approach used for en7523.dtsi. I guess it is done that way because the registers come from scu (system control unit) regmap, but I guess we can use clock-controller instead. Regards, Lorenzo > > Cheers, > Angelo > > > + compatible = "airoha,en7581-scu"; > > + reg = <0x0 0x1fa20000 0x0 0x400>, > > + <0x0 0x1fb00000 0x0 0x1000>, > > + <0x0 0x1fbe3400 0x0 0xfc>; > > + #clock-cells = <1>; > > + }; > > }; > > }; > > >
Il 04/04/24 10:57, Lorenzo Bianconi ha scritto: >> Il 03/04/24 18:20, Lorenzo Bianconi ha scritto: >>> Introduce the Airoha EN7581 clock node in Airoha EN7581 dtsi >>> >>> Tested-by: Zhengping Zhang <zhengping.zhang@airoha.com> >>> Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> >>> --- >>> arch/arm64/boot/dts/airoha/en7581.dtsi | 9 +++++++++ >>> 1 file changed, 9 insertions(+) >>> >>> diff --git a/arch/arm64/boot/dts/airoha/en7581.dtsi b/arch/arm64/boot/dts/airoha/en7581.dtsi >>> index 55eb1762fb11..a1daaaef0de0 100644 >>> --- a/arch/arm64/boot/dts/airoha/en7581.dtsi >>> +++ b/arch/arm64/boot/dts/airoha/en7581.dtsi >>> @@ -2,6 +2,7 @@ >>> #include <dt-bindings/interrupt-controller/irq.h> >>> #include <dt-bindings/interrupt-controller/arm-gic.h> >>> +#include <dt-bindings/clock/en7523-clk.h> >>> / { >>> interrupt-parent = <&gic>; >>> @@ -150,5 +151,13 @@ uart1: serial@1fbf0000 { >>> interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>; >>> clock-frequency = <1843200>; >>> }; >>> + >>> + scu: system-controller@1fa20000 { >> >> Uhm, why is this not a clock-controller but a system-controller? > > I used the same approach used for en7523.dtsi. I guess it is done > that way because the registers come from scu (system control unit) > regmap, but I guess we can use clock-controller instead. > Yeah, comes from there but you're actually defining a node for a clock-controller, not a system-controller... makes sense to define this as scuclk: clock-controller@1fa20000 ...or something along that line (for the phandle) so that, if another scu related node appears for whatever reason, we distinguish between scuxyz and scuclk. Cheers > Regards, > Lorenzo > >> >> Cheers, >> Angelo >> >>> + compatible = "airoha,en7581-scu"; >>> + reg = <0x0 0x1fa20000 0x0 0x400>, >>> + <0x0 0x1fb00000 0x0 0x1000>, >>> + <0x0 0x1fbe3400 0x0 0xfc>; >>> + #clock-cells = <1>; >>> + }; >>> }; >>> }; >> >> >>
> Il 04/04/24 10:57, Lorenzo Bianconi ha scritto: > > > Il 03/04/24 18:20, Lorenzo Bianconi ha scritto: > > > > Introduce the Airoha EN7581 clock node in Airoha EN7581 dtsi > > > > > > > > Tested-by: Zhengping Zhang <zhengping.zhang@airoha.com> > > > > Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org> > > > > --- > > > > arch/arm64/boot/dts/airoha/en7581.dtsi | 9 +++++++++ > > > > 1 file changed, 9 insertions(+) > > > > > > > > diff --git a/arch/arm64/boot/dts/airoha/en7581.dtsi b/arch/arm64/boot/dts/airoha/en7581.dtsi > > > > index 55eb1762fb11..a1daaaef0de0 100644 > > > > --- a/arch/arm64/boot/dts/airoha/en7581.dtsi > > > > +++ b/arch/arm64/boot/dts/airoha/en7581.dtsi > > > > @@ -2,6 +2,7 @@ > > > > #include <dt-bindings/interrupt-controller/irq.h> > > > > #include <dt-bindings/interrupt-controller/arm-gic.h> > > > > +#include <dt-bindings/clock/en7523-clk.h> > > > > / { > > > > interrupt-parent = <&gic>; > > > > @@ -150,5 +151,13 @@ uart1: serial@1fbf0000 { > > > > interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>; > > > > clock-frequency = <1843200>; > > > > }; > > > > + > > > > + scu: system-controller@1fa20000 { > > > > > > Uhm, why is this not a clock-controller but a system-controller? > > > > I used the same approach used for en7523.dtsi. I guess it is done > > that way because the registers come from scu (system control unit) > > regmap, but I guess we can use clock-controller instead. > > > > Yeah, comes from there but you're actually defining a node for a clock-controller, > not a system-controller... makes sense to define this as > > scuclk: clock-controller@1fa20000 > > ...or something along that line (for the phandle) so that, if another scu related > node appears for whatever reason, we distinguish between scuxyz and scuclk. ack, I agree. I will fix it. Regards, Lorenzo > > Cheers > > > Regards, > > Lorenzo > > > > > > > > Cheers, > > > Angelo > > > > > > > + compatible = "airoha,en7581-scu"; > > > > + reg = <0x0 0x1fa20000 0x0 0x400>, > > > > + <0x0 0x1fb00000 0x0 0x1000>, > > > > + <0x0 0x1fbe3400 0x0 0xfc>; > > > > + #clock-cells = <1>; > > > > + }; > > > > }; > > > > }; > > > > > > > > > > >
diff --git a/arch/arm64/boot/dts/airoha/en7581.dtsi b/arch/arm64/boot/dts/airoha/en7581.dtsi index 55eb1762fb11..a1daaaef0de0 100644 --- a/arch/arm64/boot/dts/airoha/en7581.dtsi +++ b/arch/arm64/boot/dts/airoha/en7581.dtsi @@ -2,6 +2,7 @@ #include <dt-bindings/interrupt-controller/irq.h> #include <dt-bindings/interrupt-controller/arm-gic.h> +#include <dt-bindings/clock/en7523-clk.h> / { interrupt-parent = <&gic>; @@ -150,5 +151,13 @@ uart1: serial@1fbf0000 { interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>; clock-frequency = <1843200>; }; + + scu: system-controller@1fa20000 { + compatible = "airoha,en7581-scu"; + reg = <0x0 0x1fa20000 0x0 0x400>, + <0x0 0x1fb00000 0x0 0x1000>, + <0x0 0x1fbe3400 0x0 0xfc>; + #clock-cells = <1>; + }; }; };