Message ID | 20220618123035.563070-8-mail@conchuod.ie (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | Canaan devicetree fixes | expand |
On 20/06/2022 01:25, Damien Le Moal wrote: > EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe > > On 6/20/22 08:54, Conor.Dooley@microchip.com wrote: >> On 20/06/2022 00:38, Damien Le Moal wrote: >>> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe >>> >>> On 6/18/22 21:30, Conor Dooley wrote: >>>> From: Conor Dooley <conor.dooley@microchip.com> >>>> >>>> The k210 memory node has a compatible string that does not match with >>>> any driver or dt-binding & has several non standard properties. >>>> Replace the reg names with a comment and delete the rest. >>>> >>>> Signed-off-by: Conor Dooley <conor.dooley@microchip.com> >>>> --- >>>> --- >>>> arch/riscv/boot/dts/canaan/k210.dtsi | 6 ------ >>>> 1 file changed, 6 deletions(-) >>>> >>>> diff --git a/arch/riscv/boot/dts/canaan/k210.dtsi b/arch/riscv/boot/dts/canaan/k210.dtsi >>>> index 44d338514761..287ea6eebe47 100644 >>>> --- a/arch/riscv/boot/dts/canaan/k210.dtsi >>>> +++ b/arch/riscv/boot/dts/canaan/k210.dtsi >>>> @@ -69,15 +69,9 @@ cpu1_intc: interrupt-controller { >>>> >>>> sram: memory@80000000 { >>>> device_type = "memory"; >>>> - compatible = "canaan,k210-sram"; >>>> reg = <0x80000000 0x400000>, >>>> <0x80400000 0x200000>, >>>> <0x80600000 0x200000>; >>>> - reg-names = "sram0", "sram1", "aisram"; >>>> - clocks = <&sysclk K210_CLK_SRAM0>, >>>> - <&sysclk K210_CLK_SRAM1>, >>>> - <&sysclk K210_CLK_AI>; >>>> - clock-names = "sram0", "sram1", "aisram"; >>>> }; >>> >>> These are used by u-boot to setup the memory clocks and initialize the >>> aisram. Sure the kernel actually does not use this, but to be in sync with >>> u-boot DT, I would prefer keeping this as is. Right now, u-boot *and* the >>> kernel work fine with both u-boot internal DT and the kernel DT. >> >> Right, but unfortunately that desire alone doesn't do anything about >> the dtbs_check complaints. >> >> I guess the alternative approach of actually documenting the compatible >> would be more palatable? > > Yes, I think so. That would allow keeping the fields without the DTB build > warnings. Hmm looks like that approach contradicts the dt-schema; https://github.com/devicetree-org/dt-schema/blob/main/dtschema/schemas/memory.yaml @Rob,Krzysztof what is one meant to do here? Thanks, Conor.
diff --git a/arch/riscv/boot/dts/canaan/k210.dtsi b/arch/riscv/boot/dts/canaan/k210.dtsi index 44d338514761..287ea6eebe47 100644 --- a/arch/riscv/boot/dts/canaan/k210.dtsi +++ b/arch/riscv/boot/dts/canaan/k210.dtsi @@ -69,15 +69,9 @@ cpu1_intc: interrupt-controller { sram: memory@80000000 { device_type = "memory"; - compatible = "canaan,k210-sram"; reg = <0x80000000 0x400000>, <0x80400000 0x200000>, <0x80600000 0x200000>; - reg-names = "sram0", "sram1", "aisram"; - clocks = <&sysclk K210_CLK_SRAM0>, - <&sysclk K210_CLK_SRAM1>, - <&sysclk K210_CLK_AI>; - clock-names = "sram0", "sram1", "aisram"; }; clocks {