[PATCH 05/10] arm64: dts: imx8ulp: add flexspi node

Peng Fan (OSS) peng.fan at oss.nxp.com
Sun Jun 25 05:42:33 PDT 2023


From: Haibo Chen <haibo.chen at nxp.com>

Add flexspi node, flexspi has a special memory region mapped to
0x60000000~0x6fffffff. This region is for AHB usage. So add this region
to SoC ranges.

Signed-off-by: Haibo Chen <haibo.chen at nxp.com>
Signed-off-by: Peng Fan <peng.fan at nxp.com>
---
 arch/arm64/boot/dts/freescale/imx8ulp.dtsi | 18 +++++++++++++++++-
 1 file changed, 17 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
index 16906c20bce9..4d317029490c 100644
--- a/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8ulp.dtsi
@@ -194,7 +194,8 @@ soc: soc at 0 {
 		compatible = "simple-bus";
 		#address-cells = <1>;
 		#size-cells = <1>;
-		ranges = <0x0 0x0 0x0 0x40000000>;
+		ranges = <0x0 0x0 0x0 0x40000000>,
+			 <0x60000000 0x0 0x60000000 0x1000000>;
 
 		s4muap: mailbox at 27020000 {
 			compatible = "fsl,imx8ulp-mu-s4";
@@ -349,6 +350,21 @@ pcc4: clock-controller at 29800000 {
 				#reset-cells = <1>;
 			};
 
+			flexspi2: spi at 29810000 {
+				compatible = "nxp,imx8mm-fspi";
+				reg = <0x29810000 0x10000>, <0x60000000 0x10000000>;
+				reg-names = "fspi_base", "fspi_mmap";
+				#address-cells = <1>;
+				#size-cells = <0>;
+				interrupts = <GIC_SPI 141 IRQ_TYPE_LEVEL_HIGH>;
+				clocks = <&pcc4 IMX8ULP_CLK_FLEXSPI2>,
+					 <&pcc4 IMX8ULP_CLK_FLEXSPI2>;
+				clock-names = "fspi", "fspi_en";
+				assigned-clocks = <&pcc4 IMX8ULP_CLK_FLEXSPI2>;
+				assigned-clock-parents = <&cgc1 IMX8ULP_CLK_SPLL3_PFD3_DIV2>;
+				status = "disabled";
+			};
+
 			lpi2c6: i2c at 29840000 {
 				compatible = "fsl,imx8ulp-lpi2c", "fsl,imx7ulp-lpi2c";
 				reg = <0x29840000 0x10000>;
-- 
2.37.1




More information about the linux-arm-kernel mailing list