linux-kernel - [PATCH v4 2/3] mips: dts: realtek: Add SPI NAND controller

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Message-ID: <20241014015245.2513738-3-chris.packham@alliedtelesis.co.nz>
Date: Mon, 14 Oct 2024 14:52:44 +1300
From: Chris Packham <chris.packham@...iedtelesis.co.nz>
To: broonie@...nel.org,
	robh@...nel.org,
	krzk+dt@...nel.org,
	conor+dt@...nel.org,
	tsbogend@...ha.franken.de
Cc: linux-spi@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	linux-mips@...r.kernel.org,
	Chris Packham <chris.packham@...iedtelesis.co.nz>
Subject: [PATCH v4 2/3] mips: dts: realtek: Add SPI NAND controller

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@...iedtelesis.co.nz>
---

Notes:
    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@...0 {
 		compatible = "realtek,rtl9300-intc", "realtek,rtl-intc";
 		reg = <0x3000 0x18>, <0x3018 0x18>;
@@ -59,6 +61,17 @@ timer0: timer@...0 {
 		interrupts = <7>, <8>, <9>, <10>, <11>;
 		clocks = <&lx_clk>;
 	};
+
+	snand: spi@...00 {
+		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