Re: [PATCH 1/6] arm64: xilinx: Do not use '_' in DT node names

From: Laurent Pinchart
Date: Mon Sep 18 2023 - 11:47:02 EST


Hi Michal,

Thank you for the patch.

On Mon, Sep 18, 2023 at 02:41:12PM +0200, Michal Simek wrote:
> Character '_' not recommended in node name. Use '-' instead.
> Pretty much run seds below for node names.
> s/zynqmp_ipi/zynqmp-ipi/
> s/nvmem_firmware/nvmem-firmware/
> s/soc_revision/soc-revision/
> s/si5335_/si5335-/
>
> Signed-off-by: Michal Simek <michal.simek@xxxxxxx>

The si5335 nodes may be better named after the clock name instead of the
component type, but that's nitpicking.

> ---
>
> arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts | 4 ++--
> arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 6 +++---
> 2 files changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts
> index d0091d3cb764..52f998c22538 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zcu100-revC.dts
> @@ -123,13 +123,13 @@ ina226 {
> io-channels = <&u35 0>, <&u35 1>, <&u35 2>, <&u35 3>;
> };
>
> - si5335_0: si5335_0 { /* clk0_usb - u23 */
> + si5335_0: si5335-0 { /* clk0_usb - u23 */
> compatible = "fixed-clock";
> #clock-cells = <0>;
> clock-frequency = <26000000>;
> };
>
> - si5335_1: si5335_1 { /* clk1_dp - u23 */
> + si5335_1: si5335-1 { /* clk1_dp - u23 */
> compatible = "fixed-clock";
> #clock-cells = <0>;
> clock-frequency = <27000000>;
> diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> index b61fc99cd911..e50e95cbe817 100644
> --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
> @@ -129,7 +129,7 @@ rproc_1_fw_image: memory@3ef00000 {
> };
> };
>
> - zynqmp_ipi: zynqmp_ipi {
> + zynqmp_ipi: zynqmp-ipi {
> bootph-all;
> compatible = "xlnx,zynqmp-ipi-mailbox";
> interrupt-parent = <&gic>;
> @@ -194,12 +194,12 @@ zynqmp_power: zynqmp-power {
> mbox-names = "tx", "rx";
> };
>
> - nvmem_firmware {
> + nvmem-firmware {
> compatible = "xlnx,zynqmp-nvmem-fw";
> #address-cells = <1>;
> #size-cells = <1>;
>
> - soc_revision: soc_revision@0 {
> + soc_revision: soc-revision@0 {

Unless I'm mistaken, this will change the userspace API, as it changes
the nvmem cell name. Is it an issue ?

> reg = <0x0 0x4>;
> };
> };

--
Regards,

Laurent Pinchart