From: Zoltan HERPAI <wigyori@uid0.hu>
Date: Wed, 13 Mar 2019 21:34:54 +0000 (+0100)
Subject: sunxi: enable NAND on C64mini
X-Git-Url: http://git.openwrt.org/?p=openwrt%2Fstaging%2Fwigyori.git;a=commitdiff_plain;h=24defc44c95c65084f6e7cef20ac6617bc709acb

sunxi: enable NAND on C64mini

Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
---

diff --git a/target/linux/sunxi/patches-5.15/403-dts-add-nand-to-c64mini.patch b/target/linux/sunxi/patches-5.15/403-dts-add-nand-to-c64mini.patch
new file mode 100644
index 0000000000..7f4c3a1fe3
--- /dev/null
+++ b/target/linux/sunxi/patches-5.15/403-dts-add-nand-to-c64mini.patch
@@ -0,0 +1,62 @@
+diff -ruN a/arch/arm/boot/dts/sun7i-a20-rgl-c64mini.dts b/arch/arm/boot/dts/sun7i-a20-rgl-c64mini.dts
+--- a/arch/arm/boot/dts/sun7i-a20-c64mini.dts	2019-02-20 16:13:12.000000000 +0100
++++ b/arch/arm/boot/dts/sun7i-a20-c64mini.dts	2019-02-22 14:52:35.906512308 +0100
+@@ -175,6 +177,37 @@
+ 		function = "gpio_in";
+ 		bias-pull-down;
+ 	};
++
++	nand_pins: nand-pins {
++		pins = "PC0", "PC1", "PC2", "PC5",
++		       "PC8", "PC9", "PC10", "PC11",
++		       "PC12", "PC13", "PC14", "PC15";
++		function = "nand0";
++	};
++
++	nand_pins_cs0: nand-pins-cs0 {
++		pins = "PC4";
++		function = "nand0";
++		bias-pull-up;
++	};
++
++	nand_pins_cs1: nand-pins-cs1 {
++		pins = "PC3";
++		function = "nand0";
++		bias-pull-up;
++	};
++
++	nand_pins_rb0: nand-pins-rb0 {
++		pins = "PC6";
++		function = "nand0";
++		bias-pull-up;
++	};
++
++	nand_pins_rb1: nand-pins-rb1 {
++		pins = "PC7";
++		function = "nand0";
++		bias-pull-up;
++	};
+ };
+ 
+ &reg_usb0_vbus {
+@@ -210,3 +243,20 @@
+ 	usb2_vbus-supply = <&reg_usb2_vbus>;
+ 	status = "okay";
+ };
++
++&nfc {
++	status = "okay";
++	pinctrl-names = "default";
++	pinctrl-0 = <&nand_pins>, <&nand_pins_cs0>, <&nand_pins_rb0>;
++
++	/* ESMT NAND 128MiB 3,3V 8-bit */
++	nand@0 {
++		#address-cells = <1>;
++		#size-cells = <1>;
++		reg = <0>;
++		allwinner,rb = <0>;
++		nand-ecc-mode = "hw";
++		nand-ecc-strength = <16>;
++		nand-ecc-step-size = <1024>;
++	};
++};