1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (C) 2014-18 H. Nikolaus Schaller <hns@goldelico.com>
4 */
5
6#include "omap3-gta04a5.dts"
7
8&omap3_pmx_core {
9	model = "Goldelico GTA04A5/Letux 2804 with OneNAND";
10
11	gpmc_pins: pinmux_gpmc_pins {
12		pinctrl-single,pins = <
13
14			/* address lines */
15			OMAP3_CORE1_IOPAD(0x207a, PIN_OUTPUT | MUX_MODE0)       /* gpmc_a1.gpmc_a1 */
16			OMAP3_CORE1_IOPAD(0x207c, PIN_OUTPUT | MUX_MODE0)       /* gpmc_a2.gpmc_a2 */
17			OMAP3_CORE1_IOPAD(0x207e, PIN_OUTPUT | MUX_MODE0)       /* gpmc_a3.gpmc_a3 */
18
19			/* data lines, gpmc_d0..d7 not muxable according to TRM */
20			OMAP3_CORE1_IOPAD(0x209e, PIN_INPUT | MUX_MODE0)        /* gpmc_d8.gpmc_d8 */
21			OMAP3_CORE1_IOPAD(0x20a0, PIN_INPUT | MUX_MODE0)        /* gpmc_d9.gpmc_d9 */
22			OMAP3_CORE1_IOPAD(0x20a2, PIN_INPUT | MUX_MODE0)        /* gpmc_d10.gpmc_d10 */
23			OMAP3_CORE1_IOPAD(0x20a4, PIN_INPUT | MUX_MODE0)        /* gpmc_d11.gpmc_d11 */
24			OMAP3_CORE1_IOPAD(0x20a6, PIN_INPUT | MUX_MODE0)        /* gpmc_d12.gpmc_d12 */
25			OMAP3_CORE1_IOPAD(0x20a8, PIN_INPUT | MUX_MODE0)        /* gpmc_d13.gpmc_d13 */
26			OMAP3_CORE1_IOPAD(0x20aa, PIN_INPUT | MUX_MODE0)        /* gpmc_d14.gpmc_d14 */
27			OMAP3_CORE1_IOPAD(0x20ac, PIN_INPUT | MUX_MODE0)        /* gpmc_d15.gpmc_d15 */
28
29			/*
30			 * gpmc_ncs0, gpmc_nadv_ale, gpmc_noe, gpmc_nwe, gpmc_wait0 not muxable
31			 * according to TRM. OneNAND seems to require PIN_INPUT on clock.
32			 */
33			OMAP3_CORE1_IOPAD(0x20b0, PIN_OUTPUT | MUX_MODE0)       /* gpmc_ncs1.gpmc_ncs1 */
34			OMAP3_CORE1_IOPAD(0x20be, PIN_INPUT | MUX_MODE0)        /* gpmc_clk.gpmc_clk */
35		>;
36	};
37};
38
39&gpmc {
40	/* switch inherited setup to OneNAND */
41
42	ranges = <0 0 0x04000000 0x1000000>;	/* CS0: 16MB for OneNAND */
43	pinctrl-names = "default";
44	pinctrl-0 = <&gpmc_pins>;
45
46	/delete-node/ nand@0,0;
47
48	onenand@0,0 {
49
50		#address-cells = <1>;
51		#size-cells = <1>;
52		compatible = "ti,omap2-onenand";
53		reg = <0 0 0x20000>;	/* CS0, offset 0, IO size 128K */
54
55		gpmc,sync-read;
56		gpmc,sync-write;
57		gpmc,burst-length = <16>;
58		gpmc,burst-read;
59		gpmc,burst-wrap;
60		gpmc,burst-write;
61		gpmc,device-width = <2>;
62		gpmc,mux-add-data = <2>;
63		gpmc,cs-on-ns = <0>;
64		gpmc,cs-rd-off-ns = <87>;
65		gpmc,cs-wr-off-ns = <87>;
66		gpmc,adv-on-ns = <0>;
67		gpmc,adv-rd-off-ns = <10>;
68		gpmc,adv-wr-off-ns = <10>;
69		gpmc,oe-on-ns = <15>;
70		gpmc,oe-off-ns = <87>;
71		gpmc,we-on-ns = <0>;
72		gpmc,we-off-ns = <87>;
73		gpmc,rd-cycle-ns = <112>;
74		gpmc,wr-cycle-ns = <112>;
75		gpmc,access-ns = <81>;
76		gpmc,page-burst-access-ns = <15>;
77		gpmc,bus-turnaround-ns = <0>;
78		gpmc,cycle2cycle-delay-ns = <0>;
79		gpmc,wait-monitoring-ns = <0>;
80		gpmc,clk-activation-ns = <5>;
81		gpmc,wr-data-mux-bus-ns = <30>;
82		gpmc,wr-access-ns = <81>;
83		gpmc,sync-clk-ps = <15000>;
84
85		x-loader@0 {
86			label = "X-Loader";
87			reg = <0 0x80000>;
88		};
89
90		bootloaders@80000 {
91			label = "U-Boot";
92			reg = <0x80000 0x1c0000>;
93		};
94
95		bootloaders_env@240000 {
96			label = "U-Boot Env";
97			reg = <0x240000 0x40000>;
98		};
99
100		kernel@280000 {
101			label = "Kernel";
102			reg = <0x280000 0x600000>;
103		};
104
105		filesystem@880000 {
106			label = "File System";
107			reg = <0x880000 0>;	/* 0 = MTDPART_SIZ_FULL */
108		};
109
110	};
111};
112