diff mbox series

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

Message ID 20220915181558.354737-8-prabhakar.mahadev-lad.rj@bp.renesas.com
State New
Headers show
Series Add support for Renesas RZ/Five SoC | expand

Commit Message

Prabhakar Sept. 15, 2022, 6:15 p.m. UTC 
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>

Add empty placeholder nodes to RZ/Five (R9A07G043) SoC DTSI.

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@bp.renesas.com>
---
v1->v3
* New patch
---
 arch/riscv/boot/dts/renesas/r9a07g043.dtsi | 177 +++++++++++++++++++++
 1 file changed, 177 insertions(+)

Comments

Conor Dooley Sept. 15, 2022, 10:40 p.m. UTC | #1 
On 15/09/2022 23:26, Lad, Prabhakar wrote:
> Hi Conor,
> 
> Thank you for the review.
> 
> On Thu, Sep 15, 2022 at 10:36 PM <Conor.Dooley@microchip.com> wrote:
>>
>> On 15/09/2022 19:15, Prabhakar wrote:
>>> riscv: boot: dts: r9a07g043: Add placeholder nodes
>>
>> nit: s/boot//
>>
> Will fix that.
> 
>>> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>>>
>>> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@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?
>>
> Since the RZ/G2UL SoC is ARM64 where it has a GIC and on RZ/Five SoC
> we have PLIC for interrupts. Also the interrupt numbering for RZ/Five
> SoC differs from RZ/G2UL SoC hence we are not directly using the
> RZ/G2UL SoC DTSI [0].
> 
> [0] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm64/boot/dts/renesas/r9a07g043.dtsi?h=v6.0-rc5
> 
> For the RZ/Five SMARC EVK I am re-using the below files [1] (SoM) and
> [2] (Carrier board) as the RZ/Five SMARC EVK is pin compatible.  Since
> I am re-using these when trying to compile the RZ/Five DTB I get
> compilation errors since the nodes dont exist (and there is no way
> currently we can delete the node reference when the actual node itself
> isn't present) hence these place holders.
> 
> [1] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm64/boot/dts/renesas/rzg2ul-smarc-som.dtsi?h=v6.0-rc5
> [2] https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/arch/arm64/boot/dts/renesas/rzg2ul-smarc.dtsi?h=v6.0-rc5


If this method is acceptable to Geert, this explanation 100% needs to
go into the commit message.

Thanks,
Conor.
diff mbox series

Patch

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@1004a000 {
+			reg = <0 0x1004a000 0 0x400>;
+			#sound-dai-cells = <0>;
+			status = "disabled";
+
+			/* placeholder */
+		};
+
+		spi1: spi@1004b000 {
+			reg = <0 0x1004b000 0 0x400>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+
+			/* placeholder */
+		};
+
 		scif0: serial@1004b800 {
 			compatible = "renesas,scif-r9a07g043",
 				     "renesas,scif-r9a07g044";
@@ -73,6 +98,48 @@  scif0: serial@1004b800 {
 			status = "disabled";
 		};
 
+		canfd: can@10050000 {
+			reg = <0 0x10050000 0 0x8000>;
+			status = "disabled";
+
+			/* placeholder */
+		};
+
+		i2c0: i2c@10058000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0 0x10058000 0 0x400>;
+			status = "disabled";
+
+			/* placeholder */
+		};
+
+		i2c1: i2c@10058400 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			reg = <0 0x10058400 0 0x400>;
+			status = "disabled";
+
+			/* placeholder */
+		};
+
+		adc: adc@10059000 {
+			reg = <0 0x10059000 0 0x400>;
+			status = "disabled";
+
+			/* placeholder */
+		};
+
+		sbc: spi@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@11010000 {
 			compatible = "renesas,r9a07g043-cpg";
 			reg = <0 0x11010000 0 0x10000>;
@@ -104,6 +171,95 @@  pinctrl: pinctrl@11030000 {
 				 <&cpg R9A07G043_GPIO_SPARE_RESETN>;
 		};
 
+		sdhi0: mmc@11c00000 {
+			reg = <0x0 0x11c00000 0 0x10000>;
+			status = "disabled";
+
+			/* placeholder */
+		};
+
+		sdhi1: mmc@11c10000 {
+			reg = <0x0 0x11c10000 0 0x10000>;
+			status = "disabled";
+
+			/* placeholder */
+		};
+
+		eth0: ethernet@11c20000 {
+			reg = <0 0x11c20000 0 0x10000>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+
+			/* placeholder */
+		};
+
+		eth1: ethernet@11c30000 {
+			reg = <0 0x11c30000 0 0x10000>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled";
+
+			/* placeholder */
+		};
+
+		phyrst: usbphy-ctrl@11c40000 {
+			reg = <0 0x11c40000 0 0x10000>;
+			#reset-cells = <1>;
+			status = "disabled";
+
+			/* placeholder */
+		};
+
+		ohci0: usb@11c50000 {
+			reg = <0 0x11c50000 0 0x100>;
+			status = "disabled";
+
+			/* placeholder */
+		};
+
+		ohci1: usb@11c70000 {
+			reg = <0 0x11c70000 0 0x100>;
+			status = "disabled";
+
+			/* placeholder */
+		};
+
+		ehci0: usb@11c50100 {
+			reg = <0 0x11c50100 0 0x100>;
+			status = "disabled";
+
+			/* placeholder */
+		};
+
+		ehci1: usb@11c70100 {
+			reg = <0 0x11c70100 0 0x100>;
+			status = "disabled";
+
+			/* placeholder */
+		};
+
+		usb2_phy0: usb-phy@11c50200 {
+			reg = <0 0x11c50200 0 0x700>;
+			status = "disabled";
+
+			/* placeholder */
+		};
+
+		usb2_phy1: usb-phy@11c70200 {
+			reg = <0 0x11c70200 0 0x700>;
+			status = "disabled";
+
+			/* placeholder */
+		};
+
+		hsusb: usb@11c60000 {
+			reg = <0 0x11c60000 0 0x10000>;
+			status = "disabled";
+
+			/* placeholder */
+		};
+
 		plic: interrupt-controller@12c00000 {
 			compatible = "renesas,r9a07g043-plic", "andestech,nceplic100";
 			#interrupt-cells = <2>;
@@ -116,5 +272,26 @@  plic: interrupt-controller@12c00000 {
 			resets = <&cpg R9A07G043_NCEPLIC_ARESETN>;
 			interrupts-extended = <&cpu0_intc 11 &cpu0_intc 9>;
 		};
+
+		wdt0: watchdog@12800800 {
+			reg = <0 0x12800800 0 0x400>;
+			status = "disabled";
+
+			/* placeholder */
+		};
+
+		ostm1: timer@12801400 {
+			reg = <0x0 0x12801400 0x0 0x400>;
+			status = "disabled";
+
+			/* placeholder */
+		};
+
+		ostm2: timer@12801800 {
+			reg = <0x0 0x12801800 0x0 0x400>;
+			status = "disabled";
+
+			/* placeholder */
+		};
 	};
 };