diff mbox series

[v1,18/19] arm64: dts: nuvoton: Add initial NPCM845 EVB device tree

Message ID 20220522155046.260146-19-tmaimon77@gmail.com (mailing list archive)
State Handled Elsewhere
Headers show
Series Introduce Nuvoton Arbel NPCM8XX BMC SoC | expand

Commit Message

Tomer Maimon May 22, 2022, 3:50 p.m. UTC
Add initial Nuvoton NPCM845 evaluation board device tree.

Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
---
 arch/arm64/boot/dts/nuvoton/Makefile          |  2 +
 .../boot/dts/nuvoton/nuvoton-npcm845-evb.dts  | 50 +++++++++++++++++++
 2 files changed, 52 insertions(+)
 create mode 100644 arch/arm64/boot/dts/nuvoton/Makefile
 create mode 100644 arch/arm64/boot/dts/nuvoton/nuvoton-npcm845-evb.dts

Comments

Krzysztof Kozlowski May 23, 2022, 9:26 a.m. UTC | #1
On 22/05/2022 17:50, Tomer Maimon wrote:
> Add initial Nuvoton NPCM845 evaluation board device tree.
> 
> Signed-off-by: Tomer Maimon <tmaimon77@gmail.com>
> ---
>  arch/arm64/boot/dts/nuvoton/Makefile          |  2 +
>  .../boot/dts/nuvoton/nuvoton-npcm845-evb.dts  | 50 +++++++++++++++++++
>  2 files changed, 52 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/nuvoton/Makefile
>  create mode 100644 arch/arm64/boot/dts/nuvoton/nuvoton-npcm845-evb.dts
> 
> diff --git a/arch/arm64/boot/dts/nuvoton/Makefile b/arch/arm64/boot/dts/nuvoton/Makefile
> new file mode 100644
> index 000000000000..a99dab90472a
> --- /dev/null
> +++ b/arch/arm64/boot/dts/nuvoton/Makefile
> @@ -0,0 +1,2 @@
> +# SPDX-License-Identifier: GPL-2.0
> +dtb-$(CONFIG_ARCH_NPCM) += nuvoton-npcm845-evb.dtb
> diff --git a/arch/arm64/boot/dts/nuvoton/nuvoton-npcm845-evb.dts b/arch/arm64/boot/dts/nuvoton/nuvoton-npcm845-evb.dts
> new file mode 100644
> index 000000000000..d7a9a85f8075
> --- /dev/null
> +++ b/arch/arm64/boot/dts/nuvoton/nuvoton-npcm845-evb.dts
> @@ -0,0 +1,50 @@
> +// SPDX-License-Identifier: GPL-2.0
> +// Copyright (c) 2021 Nuvoton Technology tomer.maimon@nuvoton.com
> +
> +/dts-v1/;
> +#include "nuvoton-npcm845.dtsi"
> +
> +/ {
> +	model = "Nuvoton npcm845 Development Board (Device Tree)";

s/ (Device Tree)//

> +	compatible = "nuvoton,npcm845";

This does not match your bindings. Please test your DTS with `make
dtbs_check`.

> +
> +	aliases {
> +		serial0 = &serial0;
> +		serial1 = &serial1;
> +		serial2 = &serial2;
> +		serial3 = &serial3;
> +	};
> +
> +	chosen {
> +		stdout-path = &serial0;
> +	};
> +
> +	memory {
> +		reg = <0x0 0x0 0x0 0x40000000>;
> +	};
> +
> +	ahb {
> +

No need for blank line.

> +		apb {
> +			serial0: serial@0 {
> +				status = "okay";

No, override by labels. Here and in places below.

> +			};
> +
> +			serial1: serial@1000 {
> +				status = "disabled";
> +			};
> +
> +			serial2: serial@2000 {
> +				status = "disabled";
> +			};
> +
> +			serial3: serial@3000 {
> +				status = "disabled";
> +			};
> +
> +			watchdog1: watchdog@901c {
> +				status = "okay";
> +			};
> +		};
> +	};
> +};


Best regards,
Krzysztof
Arnd Bergmann May 23, 2022, 9:39 a.m. UTC | #2
On Sun, May 22, 2022 at 5:50 PM Tomer Maimon <tmaimon77@gmail.com> wrote:
> +/ {
> +       model = "Nuvoton npcm845 Development Board (Device Tree)";
> +       compatible = "nuvoton,npcm845";
> +
> +       aliases {
> +               serial0 = &serial0;
> +               serial1 = &serial1;
> +               serial2 = &serial2;
> +               serial3 = &serial3;
> +       };

> +               apb {
> +                       serial0: serial@0 {
> +                               status = "okay";
> +                       };
> +
> +                       serial1: serial@1000 {
> +                               status = "disabled";
> +                       };
> +
> +                       serial2: serial@2000 {
> +                               status = "disabled";
> +                       };
> +
> +                       serial3: serial@3000 {
> +                               status = "disabled";
> +                       };

Please drop the aliases for disabled uarts. It probably also makes
sense to have the status="disabled" properties in the .dtsi file and
only override them when you explicitly want to enable a uart for a
board.

       Arnd
Krzysztof Kozlowski May 23, 2022, 3:37 p.m. UTC | #3
On 23/05/2022 16:17, Tomer Maimon wrote:
> Hi,
> 
> Thanks for your comments.
> 
> the patch will modify according to your comments and will be sent in the
> next kernel revision 5.19.rc1
> 

None of your emails reach lists because of using HTML. Please use
appropriate messaging format.

Best regards,
Krzysztof
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/nuvoton/Makefile b/arch/arm64/boot/dts/nuvoton/Makefile
new file mode 100644
index 000000000000..a99dab90472a
--- /dev/null
+++ b/arch/arm64/boot/dts/nuvoton/Makefile
@@ -0,0 +1,2 @@ 
+# SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_ARCH_NPCM) += nuvoton-npcm845-evb.dtb
diff --git a/arch/arm64/boot/dts/nuvoton/nuvoton-npcm845-evb.dts b/arch/arm64/boot/dts/nuvoton/nuvoton-npcm845-evb.dts
new file mode 100644
index 000000000000..d7a9a85f8075
--- /dev/null
+++ b/arch/arm64/boot/dts/nuvoton/nuvoton-npcm845-evb.dts
@@ -0,0 +1,50 @@ 
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (c) 2021 Nuvoton Technology tomer.maimon@nuvoton.com
+
+/dts-v1/;
+#include "nuvoton-npcm845.dtsi"
+
+/ {
+	model = "Nuvoton npcm845 Development Board (Device Tree)";
+	compatible = "nuvoton,npcm845";
+
+	aliases {
+		serial0 = &serial0;
+		serial1 = &serial1;
+		serial2 = &serial2;
+		serial3 = &serial3;
+	};
+
+	chosen {
+		stdout-path = &serial0;
+	};
+
+	memory {
+		reg = <0x0 0x0 0x0 0x40000000>;
+	};
+
+	ahb {
+
+		apb {
+			serial0: serial@0 {
+				status = "okay";
+			};
+
+			serial1: serial@1000 {
+				status = "disabled";
+			};
+
+			serial2: serial@2000 {
+				status = "disabled";
+			};
+
+			serial3: serial@3000 {
+				status = "disabled";
+			};
+
+			watchdog1: watchdog@901c {
+				status = "okay";
+			};
+		};
+	};
+};