[2/2] arm64: dts: renesas: gray-hawk-single: Add QSPI FLASH support

Commit Message

Geert Uytterhoeven Feb. 19, 2024, 3 p.m. UTC

From: Cong Dang <[e-mail]>

Describe the QSPI FLASH on the Gray Hawk Single board.

Signed-off-by: Cong Dang <[e-mail]>
Signed-off-by: Geert Uytterhoeven <[e-mail]>
---
Changes compared to the BSP:
  - Apply to r8a779h0-gray-hawk-single.dts,
  - Add missing status = "okay".
---
 .../dts/renesas/r8a779h0-gray-hawk-single.dts | 33 +++++++++++++++++++
 1 file changed, 33 insertions(+)

Comments

Wolfram Sang Feb. 19, 2024, 4:53 p.m. UTC | #1

On Mon, Feb 19, 2024 at 04:00:41PM +0100, Geert Uytterhoeven wrote:
> From: Cong Dang <[e-mail]>
> 
> Describe the QSPI FLASH on the Gray Hawk Single board.
> 
> Signed-off-by: Cong Dang <[e-mail]>
> Signed-off-by: Geert Uytterhoeven <[e-mail]>

Reviewed-by: Wolfram Sang <[e-mail]>

Patch

diff --git a/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts b/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts
index 1163ac5e292755db..bc8616a56c039b20 100644
--- a/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts
+++ b/arch/arm64/boot/dts/renesas/r8a779h0-gray-hawk-single.dts
@@ -181,12 +181,45 @@  mmc_pins: mmc {
 		power-source = <1800>;
 	};
 
+	qspi0_pins: qspi0 {
+		groups = "qspi0_ctrl", "qspi0_data4";
+		function = "qspi0";
+	};
+
 	scif_clk_pins: scif-clk {
 		groups = "scif_clk";
 		function = "scif_clk";
 	};
 };
 
+&rpc {
+	pinctrl-0 = <&qspi0_pins>;
+	pinctrl-names = "default";
+
+	status = "okay";
+
+	flash@0 {
+		compatible = "spansion,s25fs512s", "jedec,spi-nor";
+		reg = <0>;
+		spi-max-frequency = <40000000>;
+		spi-rx-bus-width = <4>;
+
+		partitions {
+			compatible = "fixed-partitions";
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			boot@0 {
+				reg = <0x0 0x1200000>;
+				read-only;
+			};
+			user@1200000 {
+				reg = <0x1200000 0x2e00000>;
+			};
+		};
+	};
+};
+
 &rwdt {
 	timeout-sec = <60>;
 	status = "okay";