[PATCH v5 2/3] mips: dts: realtek: Add SPI NAND controller

From: Chris Packham
Date: Tue Oct 15 2024 - 18:55:03 EST


Add the SPI-NAND controller on the RTL9300 family of devices. This
supports serial/dual/quad data width and DMA for read/program
operations.

Signed-off-by: Chris Packham <chris.packham@xxxxxxxxxxxxxxxxxxx>
---

Notes:
Changes in v4 & v5:
- none
Changes in v3:
- drop wildcard rtl9300-snand compatible
- drop clock-names
Changes in v2:
- Add clocks

arch/mips/boot/dts/realtek/rtl930x.dtsi | 13 +++++++++++++
1 file changed, 13 insertions(+)

diff --git a/arch/mips/boot/dts/realtek/rtl930x.dtsi b/arch/mips/boot/dts/realtek/rtl930x.dtsi
index f271940f82be..b01a40ec3064 100644
--- a/arch/mips/boot/dts/realtek/rtl930x.dtsi
+++ b/arch/mips/boot/dts/realtek/rtl930x.dtsi
@@ -32,6 +32,8 @@ lx_clk: clock-175mhz {
};

&soc {
+ ranges = <0x0 0x18000000 0x20000>;
+
intc: interrupt-controller@3000 {
compatible = "realtek,rtl9300-intc", "realtek,rtl-intc";
reg = <0x3000 0x18>, <0x3018 0x18>;
@@ -59,6 +61,17 @@ timer0: timer@3200 {
interrupts = <7>, <8>, <9>, <10>, <11>;
clocks = <&lx_clk>;
};
+
+ snand: spi@1a400 {
+ compatible = "realtek,rtl9301-snand";
+ reg = <0x1a400 0x44>;
+ interrupt-parent = <&intc>;
+ interrupts = <19>;
+ clocks = <&lx_clk>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
};

&uart0 {
--
2.47.0