[RFC,v3 4/5] arm64: dts: add snfi node for spi nand

Xiangsheng Hou
2021-10-22T02:51:53Z

Signed-off-by: Xiangsheng Hou <xiangsheng.hou@mediatek.com>
---
arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts | 18 ++++++++++++++++++
arch/arm64/boot/dts/mediatek/mt7622.dtsi | 13 +++++++++++++
2 files changed, 31 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
index f2dc850010f1..f4ba86c451fc 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
+++ b/arch/arm64/boot/dts/mediatek/mt7622-rfb1.dts
@@ -223,6 +223,24 @@ &nandc {
status = "disabled";
};

+&snfi {
+ pinctrl-names = "default";
+ /* pin shared with spic */
+ pinctrl-0 = <&snfi_pins>;
+ nand-ecc-engine = <&bch>;
+ status = "disabled";
+
+ spi_nand@0 {
+ compatible = "spi-nand";
+ reg = <0>;
+ spi-max-frequency = <104000000>;
+ spi-tx-bus-width = <4>;
+ spi-rx-bus-width = <4>;
+ nand-ecc-engine = <&snfi>;
+ nand-ecc-placement = "interleaved";
+ };
+};
+
&nor_flash {
pinctrl-names = "default";
pinctrl-0 = <&spi_nor_pins>;
diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
index 890a942ec608..0525e4de5ec0 100644
--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
@@ -545,6 +545,19 @@ nandc: nfi@1100d000 {
status = "disabled";
};

+ snfi: spi@1100d000 {
+ compatible = "mediatek,mt7622-snfi";
+ reg = <0 0x1100D000 0 0x1000>;
+ interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&infracfg_ao CK_INFRA_NFI1_CK>,
+ <&infracfg_ao CK_INFRA_SPINFI1_CK>,
+ <&infracfg_ao CK_INFRA_NFI_HCK_CK>;
+ clock-names = "nfi_clk", "snfi_clk", "hclk";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ status = "disabled";
+ };
+
bch: ecc@1100e000 {
compatible = "mediatek,mt7622-ecc";
reg = <0 0x1100e000 0 0x1000>;
--
2.25.1