[RFC,v4,5/5] arm64: dts: mtk: Add snfi node

[Xiangsheng Hou]

Add snfi node for SPI NAND controller.
Just take MT7622 for example at present.

Signed-off-by: Xiangsheng Hou <xiangsheng.hou at mediatek.com>
---
 arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts | 16 ++++++++++++++++
 arch/arm64/boot/dts/mediatek/mt7622.dtsi     | 13 +++++++++++++
 2 files changed, 29 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
index 596c073d8b05..1a5bf553f3a3 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
@@ -530,6 +530,22 @@ &spi0 {
 	status = "okay";
 };
 
+&snfi {
+	pinctrl-names = "default";
+	pinctrl-0 = <&snfi_pins>;
+	nand-ecc-engine = <&bch>;
+	status = "disabled";
+
+	spi_nand at 0 {
+		compatible = "spi-nand";
+		reg = <0>;
+		spi-max-frequency = <104000000>;
+		spi-tx-bus-width = <4>;
+		spi-rx-bus-width = <4>;
+		nand-ecc-engine = <&snfi>;
+	};
+};
+
 &spi1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&spic1_pins>;
diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
index 6f8cb3ad1e84..229ec2a3a65e 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
@@ -497,6 +497,19 @@ spi0: spi at 1100a000 {
 		status = "disabled";
 	};
 
+	snfi: spi at 1100d000 {
+		compatible = "mediatek,mt7622-snfi";
+		reg = <0 0x1100d000 0 0x1000>;
+		interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_LOW>;
+		clocks = <&infracfg_ao CLK_INFRA_AO_NFI_BCLK_CK_SET>,
+			 <&infracfg_ao CLK_INFRA_AO_NFI_INFRA_BCLK_CK_SET>,
+			 <&infracfg_ao CLK_INFRA_AO_NFI_HCLK_CK_SET>;
+		clock-names = "nfi_clk", "snfi_clk", "hclk";
+		#address-cells = <1>;
+		#size-cells = <0>;
+		status = "disabled";
+	};
+
 	thermal: thermal at 1100b000 {
 		#thermal-sensor-cells = <1>;
 		compatible = "mediatek,mt7622-thermal";
-- 
2.25.1