Merge tag 'renesas-riscv-dt-for-v6.2-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel into soc/dt

Renesas RISC-V DT updates for v6.2

  - Add initial support for the Renesas RZ/Five SoC and the Renesas
    RZ/Five SMARC EVK development board.

* tag 'renesas-riscv-dt-for-v6.2-tag1' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-devel:
  riscv: dts: renesas: rzfive-smarc: Enable CANFD/I2C
  riscv: dts: renesas: r9a07g043f/rzfive-smarc-som: Enable ADC/OPP/Thermal Zones/TSU
  MAINTAINERS: Add entry for Renesas RISC-V
  riscv: dts: renesas: Add minimal DTS for Renesas RZ/Five SMARC EVK
  riscv: dts: renesas: Add initial devicetree for Renesas RZ/Five SoC

Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Arnd Bergmann <[email protected]>

7 files changed, 202 insertions, 1 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 3adf0c00fa67..beed24d3ff2d 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2694,7 +2694,7 @@ F:	arch/arm/boot/dts/rtd*
 F:	arch/arm/mach-realtek/
 F:	arch/arm64/boot/dts/realtek/
 
-ARM/RENESAS ARCHITECTURE
+ARM/RISC-V/RENESAS ARCHITECTURE
 M:	Geert Uytterhoeven <[email protected]>
 M:	Magnus Damm <[email protected]>
 L:	[email protected]
@@ -2715,6 +2715,7 @@ F:	arch/arm/configs/shmobile_defconfig
 F:	arch/arm/include/debug/renesas-scif.S
 F:	arch/arm/mach-shmobile/
 F:	arch/arm64/boot/dts/renesas/
+F:	arch/riscv/boot/dts/renesas/
 F:	drivers/soc/renesas/
 F:	include/linux/soc/renesas/
 
diff --git a/arch/riscv/boot/dts/Makefile b/arch/riscv/boot/dts/Makefile
index ff174996cdfd..b0ff5fbabb0c 100644
--- a/arch/riscv/boot/dts/Makefile
+++ b/arch/riscv/boot/dts/Makefile
@@ -3,5 +3,6 @@ subdir-y += sifive
 subdir-y += starfive
 subdir-$(CONFIG_SOC_CANAAN_K210_DTB_BUILTIN) += canaan
 subdir-y += microchip
+subdir-y += renesas
 
 obj-$(CONFIG_BUILTIN_DTB) := $(addsuffix /, $(subdir-y))
diff --git a/arch/riscv/boot/dts/renesas/Makefile b/arch/riscv/boot/dts/renesas/Makefile
new file mode 100644
index 000000000000..2d3f5751a649
--- /dev/null
+++ b/arch/riscv/boot/dts/renesas/Makefile
@@ -0,0 +1,2 @@
+# SPDX-License-Identifier: GPL-2.0
+dtb-$(CONFIG_ARCH_R9A07G043) += r9a07g043f01-smarc.dtb
diff --git a/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi b/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi
new file mode 100644
index 000000000000..6ec1c6f9a403
--- /dev/null
+++ b/arch/riscv/boot/dts/renesas/r9a07g043f.dtsi
@@ -0,0 +1,59 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/*
+ * Device Tree Source for the RZ/Five SoC
+ *
+ * Copyright (C) 2022 Renesas Electronics Corp.
+ */
+
+#include <dt-bindings/interrupt-controller/irq.h>
+
+#define SOC_PERIPHERAL_IRQ(nr)	(nr + 32)
+
+#include <arm64/renesas/r9a07g043.dtsi>
+
+/ {
+	cpus {
+		#address-cells = <1>;
+		#size-cells = <0>;
+		timebase-frequency = <12000000>;
+
+		cpu0: cpu@0 {
+			compatible = "andestech,ax45mp", "riscv";
+			device_type = "cpu";
+			#cooling-cells = <2>;
+			reg = <0x0>;
+			status = "okay";
+			riscv,isa = "rv64imafdc";
+			mmu-type = "riscv,sv39";
+			i-cache-size = <0x8000>;
+			i-cache-line-size = <0x40>;
+			d-cache-size = <0x8000>;
+			d-cache-line-size = <0x40>;
+			clocks = <&cpg CPG_CORE R9A07G043_CLK_I>;
+			operating-points-v2 = <&cluster0_opp>;
+
+			cpu0_intc: interrupt-controller {
+				#interrupt-cells = <1>;
+				compatible = "riscv,cpu-intc";
+				interrupt-controller;
+			};
+		};
+	};
+};
+
+&soc {
+	interrupt-parent = <&plic>;
+
+	plic: interrupt-controller@12c00000 {
+		compatible = "renesas,r9a07g043-plic", "andestech,nceplic100";
+		#interrupt-cells = <2>;
+		#address-cells = <0>;
+		riscv,ndev = <511>;
+		interrupt-controller;
+		reg = <0x0 0x12c00000 0 0x400000>;
+		clocks = <&cpg CPG_MOD R9A07G043_NCEPLIC_ACLK>;
+		power-domains = <&cpg>;
+		resets = <&cpg R9A07G043_NCEPLIC_ARESETN>;
+		interrupts-extended = <&cpu0_intc 11 &cpu0_intc 9>;
+	};
+};
diff --git a/arch/riscv/boot/dts/renesas/r9a07g043f01-smarc.dts b/arch/riscv/boot/dts/renesas/r9a07g043f01-smarc.dts
new file mode 100644
index 000000000000..2aa8515451d3
--- /dev/null
+++ b/arch/riscv/boot/dts/renesas/r9a07g043f01-smarc.dts
@@ -0,0 +1,27 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/*
+ * Device Tree Source for the RZ/Five SMARC EVK
+ *
+ * Copyright (C) 2022 Renesas Electronics Corp.
+ */
+
+/dts-v1/;
+
+/*
+ * DIP-Switch SW1 setting
+ * 1 : High; 0: Low
+ * SW1-2 : SW_SD0_DEV_SEL	(0: uSD; 1: eMMC)
+ * SW1-3 : SW_ET0_EN_N		(0: ETHER0; 1: CAN0, CAN1, SSI1, RSPI1)
+ * Please change below macros according to SW1 setting on the SoM
+ */
+#define SW_SW0_DEV_SEL	1
+#define SW_ET0_EN_N	1
+
+#include "r9a07g043f.dtsi"
+#include "rzfive-smarc-som.dtsi"
+#include "rzfive-smarc.dtsi"
+
+/ {
+	model = "Renesas SMARC EVK based on r9a07g043f01";
+	compatible = "renesas,smarc-evk", "renesas,r9a07g043f01", "renesas,r9a07g043";
+};
diff --git a/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi b/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi
new file mode 100644
index 000000000000..2b7672bc4b52
--- /dev/null
+++ b/arch/riscv/boot/dts/renesas/rzfive-smarc-som.dtsi
@@ -0,0 +1,47 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/*
+ * Device Tree Source for the RZ/Five SMARC EVK SOM
+ *
+ * Copyright (C) 2022 Renesas Electronics Corp.
+ */
+
+#include <arm64/renesas/rzg2ul-smarc-som.dtsi>
+
+/ {
+	aliases {
+		/delete-property/ ethernet0;
+		/delete-property/ ethernet1;
+	};
+
+	chosen {
+		bootargs = "ignore_loglevel";
+	};
+};
+
+&dmac {
+	status = "disabled";
+};
+
+&eth0 {
+	status = "disabled";
+};
+
+&eth1 {
+	status = "disabled";
+};
+
+&ostm1 {
+	status = "disabled";
+};
+
+&ostm2 {
+	status = "disabled";
+};
+
+&sdhi0 {
+	status = "disabled";
+};
+
+&wdt0 {
+	status = "disabled";
+};
diff --git a/arch/riscv/boot/dts/renesas/rzfive-smarc.dtsi b/arch/riscv/boot/dts/renesas/rzfive-smarc.dtsi
new file mode 100644
index 000000000000..c07a487c4e5a
--- /dev/null
+++ b/arch/riscv/boot/dts/renesas/rzfive-smarc.dtsi
@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+/*
+ * Device Tree Source for the RZ/Five SMARC EVK carrier board
+ *
+ * Copyright (C) 2022 Renesas Electronics Corp.
+ */
+
+#include <arm64/renesas/rzg2ul-smarc.dtsi>
+
+&ehci0 {
+	status = "disabled";
+};
+
+&ehci1 {
+	status = "disabled";
+};
+
+&hsusb {
+	status = "disabled";
+};
+
+&ohci0 {
+	status = "disabled";
+};
+
+&ohci1 {
+	status = "disabled";
+};
+
+&phyrst {
+	status = "disabled";
+};
+
+&sdhi1 {
+	status = "disabled";
+};
+
+&snd_rzg2l {
+	status = "disabled";
+};
+
+&spi1 {
+	status = "disabled";
+};
+
+&ssi1 {
+	status = "disabled";
+};
+
+&usb0_vbus_otg {
+	status = "disabled";
+};
+
+&usb2_phy0 {
+	status = "disabled";
+};
+
+&usb2_phy1 {
+	status = "disabled";
+};
+
+&vccq_sdhi1 {
+	status = "disabled";
+};