Add device nodes for the two Spansion S29GL512S NOR FLASHes and the
dual Spansion S25FL512S QSPI NOR FLASH on the Genmai development board.
The former reside in the address space of the Bus State Controller
(BSC). The latter is mapped directly through the SPI Multi I/O Bus
Controller.
Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
---
arch/arm/boot/dts/renesas/r7s72100-genmai.dts | 85 +++++++++++++++++++
1 file changed, 85 insertions(+)
diff --git a/arch/arm/boot/dts/renesas/r7s72100-genmai.dts b/arch/arm/boot/dts/renesas/r7s72100-genmai.dts
index ee52c6d5349d0046..29ba098f5dd5e86b 100644
--- a/arch/arm/boot/dts/renesas/r7s72100-genmai.dts
+++ b/arch/arm/boot/dts/renesas/r7s72100-genmai.dts
@@ -29,6 +29,35 @@ memory@8000000 {
reg = <0x08000000 0x08000000>;
};
+ flash@18000000 {
+ compatible = "mtd-rom";
+ reg = <0x18000000 0x08000000>;
+ bank-width = <4>;
+ device-width = <1>;
+
+ clocks = <&mstp9_clks R7S72100_CLK_SPIBSC0>;
+ power-domains = <&cpg_clocks>;
+
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "user";
+ reg = <0x00000000 0x04000000>;
+ };
+
+ partition@4000000 {
+ label = "user1";
+ reg = <0x04000000 0x40000000>;
+ };
+ };
+ };
+
leds {
status = "okay";
compatible = "gpio-leds";
@@ -82,6 +111,62 @@ &extal_clk {
clock-frequency = <13330000>;
};
+&bsc {
+ flash@0 {
+ compatible = "cfi-flash";
+ reg = <0x00000000 0x04000000>;
+ bank-width = <2>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "uboot";
+ reg = <0x00000000 0x00040000>;
+ };
+
+ partition@40000 {
+ label = "uboot-env";
+ reg = <0x00040000 0x00020000>;
+ };
+
+ partition@60000 {
+ label = "flash";
+ reg = <0x00060000 0x03fa0000>;
+ };
+ };
+ };
+
+ flash@4000000 {
+ compatible = "cfi-flash";
+ reg = <0x04000000 0x04000000>;
+ bank-width = <2>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "uboot1";
+ reg = <0x00000000 0x00040000>;
+ };
+
+ partition@40000 {
+ label = "uboot-env1";
+ reg = <0x00040000 0x00020000>;
+ };
+
+ partition@60000 {
+ label = "flash1";
+ reg = <0x00060000 0x03fa0000>;
+ };
+ };
+ };
+};
+
&usb_x1_clk {
clock-frequency = <48000000>;
};
--
2.34.1
