1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 *  arch/arm/mach-pxa/colibri-pxa300.c
4 *
5 *  Support for Toradex PXA300/310 based Colibri module
6 *
7 *  Daniel Mack <daniel@caiaq.de>
8 *  Matthias Meier <matthias.j.meier@gmx.net>
9 */
10
11#include <linux/init.h>
12#include <linux/kernel.h>
13#include <linux/platform_device.h>
14#include <linux/gpio.h>
15#include <linux/interrupt.h>
16
17#include <asm/mach-types.h>
18#include <linux/sizes.h>
19#include <asm/mach/arch.h>
20#include <asm/mach/irq.h>
21
22#include "pxa300.h"
23#include "colibri.h"
24#include <linux/platform_data/usb-ohci-pxa27x.h>
25#include <linux/platform_data/video-pxafb.h>
26#include <mach/audio.h>
27
28#include "generic.h"
29#include "devices.h"
30
31
32#ifdef CONFIG_MACH_COLIBRI_EVALBOARD
33static mfp_cfg_t colibri_pxa300_evalboard_pin_config[] __initdata = {
34	/* MMC */
35	GPIO7_MMC1_CLK,
36	GPIO14_MMC1_CMD,
37	GPIO3_MMC1_DAT0,
38	GPIO4_MMC1_DAT1,
39	GPIO5_MMC1_DAT2,
40	GPIO6_MMC1_DAT3,
41	GPIO13_GPIO,	/* GPIO13_COLIBRI_PXA300_SD_DETECT */
42
43	/* UHC */
44	GPIO0_2_USBH_PEN,
45	GPIO1_2_USBH_PWR,
46	GPIO77_USB_P3_1,
47	GPIO78_USB_P3_2,
48	GPIO79_USB_P3_3,
49	GPIO80_USB_P3_4,
50	GPIO81_USB_P3_5,
51	GPIO82_USB_P3_6,
52
53	/* I2C */
54	GPIO21_I2C_SCL,
55	GPIO22_I2C_SDA,
56};
57#else
58static mfp_cfg_t colibri_pxa300_evalboard_pin_config[] __initdata = {};
59#endif
60
61#if defined(CONFIG_AX88796)
62#define COLIBRI_ETH_IRQ_GPIO	mfp_to_gpio(GPIO26_GPIO)
63/*
64 * Asix AX88796 Ethernet
65 */
66static struct ax_plat_data colibri_asix_platdata = {
67	.flags		= 0, /* defined later */
68	.wordlength	= 2,
69};
70
71static struct resource colibri_asix_resource[] = {
72	[0] = {
73		.start = PXA3xx_CS2_PHYS,
74		.end   = PXA3xx_CS2_PHYS + (0x20 * 2) - 1,
75		.flags = IORESOURCE_MEM,
76	},
77	[1] = {
78		.start = PXA_GPIO_TO_IRQ(COLIBRI_ETH_IRQ_GPIO),
79		.end   = PXA_GPIO_TO_IRQ(COLIBRI_ETH_IRQ_GPIO),
80		.flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
81	}
82};
83
84static struct platform_device asix_device = {
85	.name		= "ax88796",
86	.id		= 0,
87	.num_resources 	= ARRAY_SIZE(colibri_asix_resource),
88	.resource	= colibri_asix_resource,
89	.dev		= {
90		.platform_data = &colibri_asix_platdata
91	}
92};
93
94static mfp_cfg_t colibri_pxa300_eth_pin_config[] __initdata = {
95	GPIO1_nCS2,			/* AX88796 chip select */
96	GPIO26_GPIO | MFP_PULL_HIGH	/* AX88796 IRQ */
97};
98
99static void __init colibri_pxa300_init_eth(void)
100{
101	colibri_pxa3xx_init_eth(&colibri_asix_platdata);
102	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_eth_pin_config));
103	platform_device_register(&asix_device);
104}
105#else
106static inline void __init colibri_pxa300_init_eth(void) {}
107#endif /* CONFIG_AX88796 */
108
109#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
110static mfp_cfg_t colibri_pxa300_lcd_pin_config[] __initdata = {
111	GPIO54_LCD_LDD_0,
112	GPIO55_LCD_LDD_1,
113	GPIO56_LCD_LDD_2,
114	GPIO57_LCD_LDD_3,
115	GPIO58_LCD_LDD_4,
116	GPIO59_LCD_LDD_5,
117	GPIO60_LCD_LDD_6,
118	GPIO61_LCD_LDD_7,
119	GPIO62_LCD_LDD_8,
120	GPIO63_LCD_LDD_9,
121	GPIO64_LCD_LDD_10,
122	GPIO65_LCD_LDD_11,
123	GPIO66_LCD_LDD_12,
124	GPIO67_LCD_LDD_13,
125	GPIO68_LCD_LDD_14,
126	GPIO69_LCD_LDD_15,
127	GPIO70_LCD_LDD_16,
128	GPIO71_LCD_LDD_17,
129	GPIO62_LCD_CS_N,
130	GPIO72_LCD_FCLK,
131	GPIO73_LCD_LCLK,
132	GPIO74_LCD_PCLK,
133	GPIO75_LCD_BIAS,
134	GPIO76_LCD_VSYNC,
135};
136
137static void __init colibri_pxa300_init_lcd(void)
138{
139	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_lcd_pin_config));
140}
141
142#else
143static inline void colibri_pxa300_init_lcd(void) {}
144#endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
145
146#if defined(CONFIG_SND_AC97_CODEC) || defined(CONFIG_SND_AC97_CODEC_MODULE)
147static mfp_cfg_t colibri_pxa310_ac97_pin_config[] __initdata = {
148	GPIO24_AC97_SYSCLK,
149	GPIO23_AC97_nACRESET,
150	GPIO25_AC97_SDATA_IN_0,
151	GPIO27_AC97_SDATA_OUT,
152	GPIO28_AC97_SYNC,
153	GPIO29_AC97_BITCLK
154};
155
156static inline void __init colibri_pxa310_init_ac97(void)
157{
158	/* no AC97 codec on Colibri PXA300 */
159	if (!cpu_is_pxa310())
160		return;
161
162	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa310_ac97_pin_config));
163	pxa_set_ac97_info(NULL);
164}
165#else
166static inline void colibri_pxa310_init_ac97(void) {}
167#endif
168
169void __init colibri_pxa300_init(void)
170{
171	colibri_pxa300_init_eth();
172	colibri_pxa3xx_init_nand();
173	colibri_pxa300_init_lcd();
174	colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO39_GPIO));
175	colibri_pxa310_init_ac97();
176
177	/* Evalboard init */
178	pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_evalboard_pin_config));
179	colibri_evalboard_init();
180}
181
182MACHINE_START(COLIBRI300, "Toradex Colibri PXA300")
183	.atag_offset	= 0x100,
184	.init_machine	= colibri_pxa300_init,
185	.map_io		= pxa3xx_map_io,
186	.nr_irqs	= PXA_NR_IRQS,
187	.init_irq	= pxa3xx_init_irq,
188	.handle_irq	= pxa3xx_handle_irq,
189	.init_time	= pxa_timer_init,
190	.restart	= pxa_restart,
191MACHINE_END
192
193