Add device nodes for the Spansion S29GL512S NOR FLASH and the dual
Spansion S25FL512S QSPI NOR FLASH on the RSK+RZA1 development board.
The former resides in the external 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>
---
.../arm/boot/dts/renesas/r7s72100-rskrza1.dts | 66 +++++++++++++++++++
1 file changed, 66 insertions(+)
diff --git a/arch/arm/boot/dts/renesas/r7s72100-rskrza1.dts b/arch/arm/boot/dts/renesas/r7s72100-rskrza1.dts
index e95b820e401663eb..f3233290041d0b52 100644
--- a/arch/arm/boot/dts/renesas/r7s72100-rskrza1.dts
+++ b/arch/arm/boot/dts/renesas/r7s72100-rskrza1.dts
@@ -29,6 +29,48 @@ memory@8000000 {
reg = <0x08000000 0x02000000>;
};
+ flash@18000000 {
+ compatible = "mtd-rom";
+ reg = <0x18000000 0x08000000>;
+ clocks = <&mstp9_clks R7S72100_CLK_SPIBSC0>;
+ power-domains = <&cpg_clocks>;
+ bank-width = <4>;
+ device-width = <1>;
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "uboot";
+ reg = <0x00000000 0x00080000>;
+ };
+
+ partition@80000 {
+ label = "uboot-env";
+ reg = <0x00080000 0x00040000>;
+ };
+
+ partition@c0000 {
+ label = "dt";
+ reg = <0x000c0000 0x00040000>;
+ };
+
+ partition@100000 {
+ label = "kernel";
+ reg = <0x00100000 0x00280000>;
+ };
+
+ partition@400000 {
+ label = "rootfs";
+ reg = <0x00400000 0x01c00000>;
+ };
+ };
+ };
+
keyboard {
compatible = "gpio-keys";
@@ -113,6 +155,30 @@ eeprom@50 {
};
};
+&bsc {
+ flash@0 {
+ compatible = "cfi-flash";
+ reg = <0x00000000 0x4000000>;
+ bank-width = <2>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "apps";
+ reg = <0x00000000 0x01000000>;
+ };
+
+ partition@1000000 {
+ label = "data";
+ reg = <0x01000000 0x03000000>;
+ };
+ };
+ };
+};
+
&usb_x1_clk {
clock-frequency = <48000000>;
};
--
2.34.1
