[PATCH 3/4] arm: dts: r8a77995-u-boot: Add SPI Flash Support

zhengxunli at mxic.com.tw zhengxunli at mxic.com.tw
Fri Nov 27 10:03:14 CET 2020


From: zhengxun <zhengxunli at mxic.com.tw>

Add U-Boot SPI Flash support for the Renesas Draak board and configure
RX and TX bus-width values to support octal I/O mode.

Signed-off-by: zhengxun <zhengxunli at mxic.com.tw>
---
 arch/arm/dts/r8a77995-u-boot.dtsi | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/arch/arm/dts/r8a77995-u-boot.dtsi b/arch/arm/dts/r8a77995-u-boot.dtsi
index 8e9f6b7a7d..86aeeda474 100644
--- a/arch/arm/dts/r8a77995-u-boot.dtsi
+++ b/arch/arm/dts/r8a77995-u-boot.dtsi
@@ -14,7 +14,16 @@
 			reg = <0 0xee200000 0 0x100>, <0 0x08000000 0 0>;
 			clocks = <&cpg CPG_MOD 917>;
 			bank-width = <2>;
-			status = "disabled";
+			status = "okay";
+			#address-cells = <1>;
+			#size-cells = <0>;
+
+			flash0 {
+				compatible = "jedec,spi-nor";
+				reg = <0>;
+				spi-tx-bus-width = <1>;
+				spi-rx-bus-width = <8>;
+			};
 		};
 	};
 };
-- 
2.17.1



More information about the U-Boot mailing list