ARM: dts: renesas: bockw: Add FLASH node

Add a device node for the Spansion S29GL512P NOR FLASH on the Bock-W
development board.  This FLASH resides in the external address space of
the Local Bus State Controller.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/45e6343ae07ef1add8bba5e8281ef9e6a977c573.1694768311.git.geert+renesas@glider.be

diff --git a/arch/arm/boot/dts/renesas/r8a7778-bockw.dts b/arch/arm/boot/dts/renesas/r8a7778-bockw.dts
index 9b65d246e5836a91d57f5c7d65eea7645f5a9287..a3f9d74e8877b72b064692d717a82521f0fb833b 100644 (file)
--- a/arch/arm/boot/dts/renesas/r8a7778-bockw.dts
+++ b/arch/arm/boot/dts/renesas/r8a7778-bockw.dts
@@ -62,6 +62,35 @@
 };
 
 &bsc {
+       flash@0 {
+               compatible = "cfi-flash";
+               reg = <0x0 0x04000000>;
+               pinctrl-0 = <&flash_pins>;
+               pinctrl-names = "default";
+               bank-width = <2>;
+
+               partitions {
+                       compatible = "fixed-partitions";
+                       #address-cells = <1>;
+                       #size-cells = <1>;
+
+                       partition@0 {
+                               label = "uboot";
+                               reg = <0x00000000 0x00040000>;
+                               read-only;
+                       };
+                       partition@40000 {
+                               label = "uboot-env";
+                               reg = <0x00040000 0x00040000>;
+                               read-only;
+                       };
+                       partition@80000 {
+                               label = "flash";
+                               reg = <0x00080000 0x03f80000>;
+                       };
+               };
+       };
+
        ethernet@18300000 {
                compatible = "smsc,lan89218", "smsc,lan9115";
                reg = <0x18300000 0x1000>;
@@ -126,6 +155,11 @@
        pinctrl-0 = <&scif_clk_pins>;
        pinctrl-names = "default";
 
+       flash_pins: flash {
+               groups = "lbsc_cs0";
+               function = "lbsc";
+       };
+
        scif0_pins: scif0 {
                groups = "scif0_data_a", "scif0_ctrl";
                function = "scif0";