mediatek: add an upstreamed spi-nand driver

[openwrt/staging/981213.git] / target / linux / mediatek / patches-5.15 / 120-14-arm64-dts-mediatek-add-mtk-snfi-for-mt7622.patch

diff --git a/target/linux/mediatek/patches-5.15/120-14-arm64-dts-mediatek-add-mtk-snfi-for-mt7622.patch b/target/linux/mediatek/patches-5.15/120-14-arm64-dts-mediatek-add-mtk-snfi-for-mt7622.patch
new file mode 100644 (file)
index 0000000..81452ad
--- /dev/null
+++ b/target/linux/mediatek/patches-5.15/120-14-arm64-dts-mediatek-add-mtk-snfi-for-mt7622.patch
@@ -0,0 +1,40 @@
+From 9ba7c246063ae43baf2e53ccc8c8b5f8d025aaaa Mon Sep 17 00:00:00 2001
+From: Chuanhong Guo <gch981213@gmail.com>
+Date: Sun, 3 Apr 2022 10:19:29 +0800
+Subject: [PATCH 15/15] arm64: dts: mediatek: add mtk-snfi for mt7622
+
+This patch adds a device-tree node for the MTK SPI-NAND Flash Interface
+for MT7622 device tree.
+
+Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
+(cherry picked from commit 2e022641709011ef0843d0416b0f264b5fc217af)
+---
+ arch/arm64/boot/dts/mediatek/mt7622.dtsi | 12 ++++++++++++
+ 1 file changed, 12 insertions(+)
+
+diff --git a/arch/arm64/boot/dts/mediatek/mt7622.dtsi b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+index 890a942ec608..8cdb8cc94bd3 100644
+--- a/arch/arm64/boot/dts/mediatek/mt7622.dtsi
++++ b/arch/arm64/boot/dts/mediatek/mt7622.dtsi
+@@ -545,6 +545,18 @@ nandc: nfi@1100d000 {
+               status = "disabled";
+       };
+ 
++      snfi: spi@1100d000 {
++              compatible = "mediatek,mt7622-snand";
++              reg = <0 0x1100d000 0 0x1000>;
++              interrupts = <GIC_SPI 96 IRQ_TYPE_LEVEL_LOW>;
++              clocks = <&pericfg CLK_PERI_NFI_PD>, <&pericfg CLK_PERI_SNFI_PD>;
++              clock-names = "nfi_clk", "pad_clk";
++              nand-ecc-engine = <&bch>;
++              #address-cells = <1>;
++              #size-cells = <0>;
++              status = "disabled";
++      };
++
+       bch: ecc@1100e000 {
+               compatible = "mediatek,mt7622-ecc";
+               reg = <0 0x1100e000 0 0x1000>;
+-- 
+2.35.1
+