From d758ec1ceedb07607a005c7f2deb2fcbf2e170a4 Mon Sep 17 00:00:00 2001
From: Geert Uytterhoeven <geert+renesas@glider.be>
Date: Thu, 31 Aug 2023 13:52:35 +0200
Subject: [PATCH] ARM: dts: renesas: blanche: Add FLASH node
Add a device node for the Spansion S29GL512S NOR FLASH on the Blanche
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/7edb26bc29ad58198901ae6b6f869684473bb29d.1693481518.git.geert+renesas@glider.be
---
arch/arm/boot/dts/renesas/r8a7792-blanche.dts | 34 +++++++++++++++++++
1 file changed, 34 insertions(+)
diff --git a/arch/arm/boot/dts/renesas/r8a7792-blanche.dts b/arch/arm/boot/dts/renesas/r8a7792-blanche.dts
index e793134f32a30..4ee83b8aae2a4 100644
--- a/arch/arm/boot/dts/renesas/r8a7792-blanche.dts
+++ b/arch/arm/boot/dts/renesas/r8a7792-blanche.dts
@@ -182,6 +182,35 @@
};
&lbsc {
+ flash@0 {
+ compatible = "cfi-flash";
+ reg = <0x00000000 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@18000000 {
compatible = "smsc,lan89218", "smsc,lan9115";
reg = <0x18000000 0x100>;
@@ -240,6 +269,11 @@
function = "du1";
};
+ flash_pins: flash {
+ groups = "lbsc_cs0";
+ function = "lbsc";
+ };
+
keyboard_pins: keyboard {
pins = "GP_3_10", "GP_3_11", "GP_3_12", "GP_3_15", "GP_11_2";
bias-pull-up;
--
2.30.2