[PATCH v3 07/10] riscv: boot: dts: r9a07g043: Add placeholder nodes

Conor.Dooley at microchip.com Conor.Dooley at microchip.com
Thu Sep 15 14:36:02 PDT 2022


On 15/09/2022 19:15, Prabhakar wrote:
> riscv: boot: dts: r9a07g043: Add placeholder nodes

nit: s/boot//

> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
> 
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj at bp.renesas.com>
> 
> Add empty placeholder nodes to RZ/Five (R9A07G043) SoC DTSI.

Can you explain why do you need placeholder nodes for this and
cannot just directly include the other dtsis?

> 
> This is in preparation to reuse the RZ/G2UL SMARC SoM and carrier
> board DTS/I.
> 
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj at bp.renesas.com>
> ---
> v1->v3
> * New patch
> ---
>  arch/riscv/boot/dts/renesas/r9a07g043.dtsi | 177 +++++++++++++++++++++
>  1 file changed, 177 insertions(+)
> 
> diff --git a/arch/riscv/boot/dts/renesas/r9a07g043.dtsi b/arch/riscv/boot/dts/renesas/r9a07g043.dtsi
> index fb6733f3cc2b..6d9db759a847 100644
> --- a/arch/riscv/boot/dts/renesas/r9a07g043.dtsi
> +++ b/arch/riscv/boot/dts/renesas/r9a07g043.dtsi
> @@ -13,6 +13,14 @@ / {
>         #address-cells = <2>;
>         #size-cells = <2>;
> 
> +       audio_clk1: audio1-clk {
> +               /* placeholder */
> +       };
> +
> +       audio_clk2: audio2-clk {
> +               /* placeholder */
> +       };
> +
>         cpus {
>                 #address-cells = <1>;
>                 #size-cells = <0>;
> @@ -54,6 +62,23 @@ soc: soc {
>                 #size-cells = <2>;
>                 ranges;
> 
> +               ssi1: ssi at 1004a000 {
> +                       reg = <0 0x1004a000 0 0x400>;
> +                       #sound-dai-cells = <0>;
> +                       status = "disabled";
> +
> +                       /* placeholder */
> +               };
> +
> +               spi1: spi at 1004b000 {
> +                       reg = <0 0x1004b000 0 0x400>;
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       status = "disabled";
> +
> +                       /* placeholder */
> +               };
> +
>                 scif0: serial at 1004b800 {
>                         compatible = "renesas,scif-r9a07g043",
>                                      "renesas,scif-r9a07g044";
> @@ -73,6 +98,48 @@ scif0: serial at 1004b800 {
>                         status = "disabled";
>                 };
> 
> +               canfd: can at 10050000 {
> +                       reg = <0 0x10050000 0 0x8000>;
> +                       status = "disabled";
> +
> +                       /* placeholder */
> +               };
> +
> +               i2c0: i2c at 10058000 {
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       reg = <0 0x10058000 0 0x400>;
> +                       status = "disabled";
> +
> +                       /* placeholder */
> +               };
> +
> +               i2c1: i2c at 10058400 {
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       reg = <0 0x10058400 0 0x400>;
> +                       status = "disabled";
> +
> +                       /* placeholder */
> +               };
> +
> +               adc: adc at 10059000 {
> +                       reg = <0 0x10059000 0 0x400>;
> +                       status = "disabled";
> +
> +                       /* placeholder */
> +               };
> +
> +               sbc: spi at 10060000 {
> +                       reg = <0 0x10060000 0 0x10000>,
> +                             <0 0x20000000 0 0x10000000>,
> +                             <0 0x10070000 0 0x10000>;
> +                       reg-names = "regs", "dirmap", "wbuf";
> +                       status = "disabled";
> +
> +                       /* placeholder */
> +               };
> +
>                 cpg: clock-controller at 11010000 {
>                         compatible = "renesas,r9a07g043-cpg";
>                         reg = <0 0x11010000 0 0x10000>;
> @@ -104,6 +171,95 @@ pinctrl: pinctrl at 11030000 {
>                                  <&cpg R9A07G043_GPIO_SPARE_RESETN>;
>                 };
> 
> +               sdhi0: mmc at 11c00000 {
> +                       reg = <0x0 0x11c00000 0 0x10000>;
> +                       status = "disabled";
> +
> +                       /* placeholder */
> +               };
> +
> +               sdhi1: mmc at 11c10000 {
> +                       reg = <0x0 0x11c10000 0 0x10000>;
> +                       status = "disabled";
> +
> +                       /* placeholder */
> +               };
> +
> +               eth0: ethernet at 11c20000 {
> +                       reg = <0 0x11c20000 0 0x10000>;
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       status = "disabled";
> +
> +                       /* placeholder */
> +               };
> +
> +               eth1: ethernet at 11c30000 {
> +                       reg = <0 0x11c30000 0 0x10000>;
> +                       #address-cells = <1>;
> +                       #size-cells = <0>;
> +                       status = "disabled";
> +
> +                       /* placeholder */
> +               };
> +
> +               phyrst: usbphy-ctrl at 11c40000 {
> +                       reg = <0 0x11c40000 0 0x10000>;
> +                       #reset-cells = <1>;
> +                       status = "disabled";
> +
> +                       /* placeholder */
> +               };
> +
> +               ohci0: usb at 11c50000 {
> +                       reg = <0 0x11c50000 0 0x100>;
> +                       status = "disabled";
> +
> +                       /* placeholder */
> +               };
> +
> +               ohci1: usb at 11c70000 {
> +                       reg = <0 0x11c70000 0 0x100>;
> +                       status = "disabled";
> +
> +                       /* placeholder */
> +               };
> +
> +               ehci0: usb at 11c50100 {
> +                       reg = <0 0x11c50100 0 0x100>;
> +                       status = "disabled";
> +
> +                       /* placeholder */
> +               };
> +
> +               ehci1: usb at 11c70100 {
> +                       reg = <0 0x11c70100 0 0x100>;
> +                       status = "disabled";
> +
> +                       /* placeholder */
> +               };
> +
> +               usb2_phy0: usb-phy at 11c50200 {
> +                       reg = <0 0x11c50200 0 0x700>;
> +                       status = "disabled";
> +
> +                       /* placeholder */
> +               };
> +
> +               usb2_phy1: usb-phy at 11c70200 {
> +                       reg = <0 0x11c70200 0 0x700>;
> +                       status = "disabled";
> +
> +                       /* placeholder */
> +               };
> +
> +               hsusb: usb at 11c60000 {
> +                       reg = <0 0x11c60000 0 0x10000>;
> +                       status = "disabled";
> +
> +                       /* placeholder */
> +               };
> +
>                 plic: interrupt-controller at 12c00000 {
>                         compatible = "renesas,r9a07g043-plic", "andestech,nceplic100";
>                         #interrupt-cells = <2>;
> @@ -116,5 +272,26 @@ plic: interrupt-controller at 12c00000 {
>                         resets = <&cpg R9A07G043_NCEPLIC_ARESETN>;
>                         interrupts-extended = <&cpu0_intc 11 &cpu0_intc 9>;
>                 };
> +
> +               wdt0: watchdog at 12800800 {
> +                       reg = <0 0x12800800 0 0x400>;
> +                       status = "disabled";
> +
> +                       /* placeholder */
> +               };
> +
> +               ostm1: timer at 12801400 {
> +                       reg = <0x0 0x12801400 0x0 0x400>;
> +                       status = "disabled";
> +
> +                       /* placeholder */
> +               };
> +
> +               ostm2: timer at 12801800 {
> +                       reg = <0x0 0x12801800 0x0 0x400>;
> +                       status = "disabled";
> +
> +                       /* placeholder */
> +               };
>         };
>  };
> --
> 2.25.1
> 



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