1 // SPDX-License-Identifier: GPL-2.0-only
3 * arch/arm/mach-pxa/colibri-pxa300.c
5 * Support for Toradex PXA300/310 based Colibri module
7 * Daniel Mack <daniel@caiaq.de>
8 * Matthias Meier <matthias.j.meier@gmx.net>
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 #include <linux/soc/pxa/cpu.h>
18 #include <asm/mach-types.h>
19 #include <linux/sizes.h>
20 #include <asm/mach/arch.h>
21 #include <asm/mach/irq.h>
25 #include <linux/platform_data/usb-ohci-pxa27x.h>
26 #include <linux/platform_data/video-pxafb.h>
27 #include <linux/platform_data/asoc-pxa.h>
33 #ifdef CONFIG_MACH_COLIBRI_EVALBOARD
34 static mfp_cfg_t colibri_pxa300_evalboard_pin_config[] __initdata = {
42 GPIO13_GPIO, /* GPIO13_COLIBRI_PXA300_SD_DETECT */
59 static mfp_cfg_t colibri_pxa300_evalboard_pin_config[] __initdata = {};
62 #if defined(CONFIG_AX88796)
63 #define COLIBRI_ETH_IRQ_GPIO mfp_to_gpio(GPIO26_GPIO)
65 * Asix AX88796 Ethernet
67 static struct ax_plat_data colibri_asix_platdata = {
68 .flags = 0, /* defined later */
72 static struct resource colibri_asix_resource[] = {
74 .start = PXA3xx_CS2_PHYS,
75 .end = PXA3xx_CS2_PHYS + (0x20 * 2) - 1,
76 .flags = IORESOURCE_MEM,
79 .start = PXA_GPIO_TO_IRQ(COLIBRI_ETH_IRQ_GPIO),
80 .end = PXA_GPIO_TO_IRQ(COLIBRI_ETH_IRQ_GPIO),
81 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
85 static struct platform_device asix_device = {
88 .num_resources = ARRAY_SIZE(colibri_asix_resource),
89 .resource = colibri_asix_resource,
91 .platform_data = &colibri_asix_platdata
95 static mfp_cfg_t colibri_pxa300_eth_pin_config[] __initdata = {
96 GPIO1_nCS2, /* AX88796 chip select */
97 GPIO26_GPIO | MFP_PULL_HIGH /* AX88796 IRQ */
100 static void __init colibri_pxa300_init_eth(void)
102 colibri_pxa3xx_init_eth(&colibri_asix_platdata);
103 pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_eth_pin_config));
104 platform_device_register(&asix_device);
107 static inline void __init colibri_pxa300_init_eth(void) {}
108 #endif /* CONFIG_AX88796 */
110 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
111 static mfp_cfg_t colibri_pxa300_lcd_pin_config[] __initdata = {
138 static void __init colibri_pxa300_init_lcd(void)
140 pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_lcd_pin_config));
144 static inline void colibri_pxa300_init_lcd(void) {}
145 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
147 #if defined(CONFIG_SND_AC97_CODEC) || defined(CONFIG_SND_AC97_CODEC_MODULE)
148 static mfp_cfg_t colibri_pxa310_ac97_pin_config[] __initdata = {
150 GPIO23_AC97_nACRESET,
151 GPIO25_AC97_SDATA_IN_0,
152 GPIO27_AC97_SDATA_OUT,
157 static inline void __init colibri_pxa310_init_ac97(void)
159 /* no AC97 codec on Colibri PXA300 */
160 if (!cpu_is_pxa310())
163 pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa310_ac97_pin_config));
164 pxa_set_ac97_info(NULL);
167 static inline void colibri_pxa310_init_ac97(void) {}
170 void __init colibri_pxa300_init(void)
172 colibri_pxa300_init_eth();
173 colibri_pxa3xx_init_nand();
174 colibri_pxa300_init_lcd();
175 colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO39_GPIO));
176 colibri_pxa310_init_ac97();
179 pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_evalboard_pin_config));
180 colibri_evalboard_init();
183 MACHINE_START(COLIBRI300, "Toradex Colibri PXA300")
184 .atag_offset = 0x100,
185 .init_machine = colibri_pxa300_init,
186 .map_io = pxa3xx_map_io,
187 .nr_irqs = PXA_NR_IRQS,
188 .init_irq = pxa3xx_init_irq,
189 .handle_irq = pxa3xx_handle_irq,
190 .init_time = pxa_timer_init,
191 .restart = pxa_restart,