Commit | Line | Data |
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3cc828fd MD |
1 | /* |
2 | * Lager board support | |
3 | * | |
4 | * Copyright (C) 2013 Renesas Solutions Corp. | |
5 | * Copyright (C) 2013 Magnus Damm | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; version 2 of the License. | |
10 | * | |
11 | * This program is distributed in the hope that it will be useful, | |
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | * GNU General Public License for more details. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
19 | */ | |
20 | ||
c3842e4f SH |
21 | #include <linux/gpio.h> |
22 | #include <linux/gpio_keys.h> | |
23 | #include <linux/input.h> | |
3cc828fd | 24 | #include <linux/interrupt.h> |
3cc828fd | 25 | #include <linux/kernel.h> |
1034f4ee | 26 | #include <linux/leds.h> |
63d0539e GL |
27 | #include <linux/mmc/host.h> |
28 | #include <linux/mmc/sh_mmcif.h> | |
e3a28ac2 | 29 | #include <linux/pinctrl/machine.h> |
1034f4ee | 30 | #include <linux/platform_data/gpio-rcar.h> |
c75a5afa | 31 | #include <linux/platform_data/rcar-du.h> |
3cc828fd | 32 | #include <linux/platform_device.h> |
48c8b96f | 33 | #include <linux/phy.h> |
63d0539e GL |
34 | #include <linux/regulator/fixed.h> |
35 | #include <linux/regulator/machine.h> | |
4901e136 | 36 | #include <linux/sh_eth.h> |
3cc828fd | 37 | #include <mach/common.h> |
63d0539e | 38 | #include <mach/irqs.h> |
3cc828fd MD |
39 | #include <mach/r8a7790.h> |
40 | #include <asm/mach-types.h> | |
41 | #include <asm/mach/arch.h> | |
42 | ||
c75a5afa LP |
43 | /* DU */ |
44 | static struct rcar_du_encoder_data lager_du_encoders[] = { | |
45 | { | |
46 | .type = RCAR_DU_ENCODER_VGA, | |
47 | .output = RCAR_DU_OUTPUT_DPAD0, | |
48 | }, { | |
49 | .type = RCAR_DU_ENCODER_NONE, | |
50 | .output = RCAR_DU_OUTPUT_LVDS1, | |
51 | .connector.lvds.panel = { | |
52 | .width_mm = 210, | |
53 | .height_mm = 158, | |
54 | .mode = { | |
55 | .clock = 65000, | |
56 | .hdisplay = 1024, | |
57 | .hsync_start = 1048, | |
58 | .hsync_end = 1184, | |
59 | .htotal = 1344, | |
60 | .vdisplay = 768, | |
61 | .vsync_start = 771, | |
62 | .vsync_end = 777, | |
63 | .vtotal = 806, | |
64 | .flags = 0, | |
65 | }, | |
66 | }, | |
67 | }, | |
68 | }; | |
69 | ||
70 | static const struct rcar_du_platform_data lager_du_pdata __initconst = { | |
71 | .encoders = lager_du_encoders, | |
72 | .num_encoders = ARRAY_SIZE(lager_du_encoders), | |
73 | }; | |
74 | ||
75 | static const struct resource du_resources[] __initconst = { | |
76 | DEFINE_RES_MEM(0xfeb00000, 0x70000), | |
77 | DEFINE_RES_MEM_NAMED(0xfeb90000, 0x1c, "lvds.0"), | |
78 | DEFINE_RES_MEM_NAMED(0xfeb94000, 0x1c, "lvds.1"), | |
79 | DEFINE_RES_IRQ(gic_spi(256)), | |
80 | DEFINE_RES_IRQ(gic_spi(268)), | |
81 | DEFINE_RES_IRQ(gic_spi(269)), | |
82 | }; | |
83 | ||
84 | static void __init lager_add_du_device(void) | |
85 | { | |
86 | struct platform_device_info info = { | |
87 | .name = "rcar-du-r8a7790", | |
88 | .id = -1, | |
89 | .res = du_resources, | |
90 | .num_res = ARRAY_SIZE(du_resources), | |
37bf8103 LP |
91 | .data = &lager_du_pdata, |
92 | .size_data = sizeof(lager_du_pdata), | |
c75a5afa LP |
93 | .dma_mask = DMA_BIT_MASK(32), |
94 | }; | |
95 | ||
96 | platform_device_register_full(&info); | |
97 | } | |
98 | ||
1034f4ee SH |
99 | /* LEDS */ |
100 | static struct gpio_led lager_leds[] = { | |
101 | { | |
102 | .name = "led8", | |
103 | .gpio = RCAR_GP_PIN(5, 17), | |
104 | .default_state = LEDS_GPIO_DEFSTATE_ON, | |
105 | }, { | |
106 | .name = "led7", | |
107 | .gpio = RCAR_GP_PIN(4, 23), | |
108 | .default_state = LEDS_GPIO_DEFSTATE_ON, | |
109 | }, { | |
110 | .name = "led6", | |
111 | .gpio = RCAR_GP_PIN(4, 22), | |
112 | .default_state = LEDS_GPIO_DEFSTATE_ON, | |
113 | }, | |
114 | }; | |
115 | ||
27113d63 | 116 | static const struct gpio_led_platform_data lager_leds_pdata __initconst = { |
1034f4ee SH |
117 | .leds = lager_leds, |
118 | .num_leds = ARRAY_SIZE(lager_leds), | |
119 | }; | |
120 | ||
c3842e4f SH |
121 | /* GPIO KEY */ |
122 | #define GPIO_KEY(c, g, d, ...) \ | |
123 | { .code = c, .gpio = g, .desc = d, .active_low = 1 } | |
124 | ||
a6014693 | 125 | static struct gpio_keys_button gpio_buttons[] = { |
c3842e4f SH |
126 | GPIO_KEY(KEY_4, RCAR_GP_PIN(1, 28), "SW2-pin4"), |
127 | GPIO_KEY(KEY_3, RCAR_GP_PIN(1, 26), "SW2-pin3"), | |
128 | GPIO_KEY(KEY_2, RCAR_GP_PIN(1, 24), "SW2-pin2"), | |
129 | GPIO_KEY(KEY_1, RCAR_GP_PIN(1, 14), "SW2-pin1"), | |
130 | }; | |
131 | ||
27113d63 | 132 | static const struct gpio_keys_platform_data lager_keys_pdata __initconst = { |
c3842e4f SH |
133 | .buttons = gpio_buttons, |
134 | .nbuttons = ARRAY_SIZE(gpio_buttons), | |
135 | }; | |
136 | ||
63d0539e GL |
137 | /* Fixed 3.3V regulator to be used by MMCIF */ |
138 | static struct regulator_consumer_supply fixed3v3_power_consumers[] = | |
139 | { | |
140 | REGULATOR_SUPPLY("vmmc", "sh_mmcif.1"), | |
141 | }; | |
142 | ||
143 | /* MMCIF */ | |
27113d63 | 144 | static const struct sh_mmcif_plat_data mmcif1_pdata __initconst = { |
63d0539e | 145 | .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE, |
b77c6bce GL |
146 | .clk_ctrl2_present = true, |
147 | .ccs_unsupported = true, | |
63d0539e GL |
148 | }; |
149 | ||
27113d63 | 150 | static const struct resource mmcif1_resources[] __initconst = { |
63d0539e GL |
151 | DEFINE_RES_MEM_NAMED(0xee220000, 0x80, "MMCIF1"), |
152 | DEFINE_RES_IRQ(gic_spi(170)), | |
153 | }; | |
154 | ||
4901e136 | 155 | /* Ether */ |
27113d63 | 156 | static const struct sh_eth_plat_data ether_pdata __initconst = { |
4901e136 SH |
157 | .phy = 0x1, |
158 | .edmac_endian = EDMAC_LITTLE_ENDIAN, | |
4901e136 SH |
159 | .phy_interface = PHY_INTERFACE_MODE_RMII, |
160 | .ether_link_active_low = 1, | |
161 | }; | |
162 | ||
27113d63 | 163 | static const struct resource ether_resources[] __initconst = { |
4901e136 SH |
164 | DEFINE_RES_MEM(0xee700000, 0x400), |
165 | DEFINE_RES_IRQ(gic_spi(162)), | |
166 | }; | |
167 | ||
e3a28ac2 | 168 | static const struct pinctrl_map lager_pinctrl_map[] = { |
c75a5afa LP |
169 | /* DU (CN10: ARGB0, CN13: LVDS) */ |
170 | PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7790", "pfc-r8a7790", | |
171 | "du_rgb666", "du"), | |
172 | PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7790", "pfc-r8a7790", | |
173 | "du_sync_1", "du"), | |
174 | PIN_MAP_MUX_GROUP_DEFAULT("rcar-du-r8a7790", "pfc-r8a7790", | |
175 | "du_clk_out_0", "du"), | |
e3a28ac2 LP |
176 | /* SCIF0 (CN19: DEBUG SERIAL0) */ |
177 | PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.6", "pfc-r8a7790", | |
178 | "scif0_data", "scif0"), | |
179 | /* SCIF1 (CN20: DEBUG SERIAL1) */ | |
180 | PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.7", "pfc-r8a7790", | |
181 | "scif1_data", "scif1"), | |
63d0539e GL |
182 | /* MMCIF1 */ |
183 | PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.1", "pfc-r8a7790", | |
184 | "mmc1_data8", "mmc1"), | |
185 | PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.1", "pfc-r8a7790", | |
186 | "mmc1_ctrl", "mmc1"), | |
4901e136 SH |
187 | /* Ether */ |
188 | PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-ether", "pfc-r8a7790", | |
189 | "eth_link", "eth"), | |
190 | PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-ether", "pfc-r8a7790", | |
191 | "eth_mdio", "eth"), | |
192 | PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-ether", "pfc-r8a7790", | |
193 | "eth_rmii", "eth"), | |
194 | PIN_MAP_MUX_GROUP_DEFAULT("r8a7790-ether", "pfc-r8a7790", | |
195 | "intc_irq0", "intc"), | |
e3a28ac2 LP |
196 | }; |
197 | ||
3cc828fd MD |
198 | static void __init lager_add_standard_devices(void) |
199 | { | |
200 | r8a7790_clock_init(); | |
e3a28ac2 LP |
201 | |
202 | pinctrl_register_mappings(lager_pinctrl_map, | |
203 | ARRAY_SIZE(lager_pinctrl_map)); | |
204 | r8a7790_pinmux_init(); | |
205 | ||
3cc828fd | 206 | r8a7790_add_standard_devices(); |
1034f4ee SH |
207 | platform_device_register_data(&platform_bus, "leds-gpio", -1, |
208 | &lager_leds_pdata, | |
209 | sizeof(lager_leds_pdata)); | |
c3842e4f SH |
210 | platform_device_register_data(&platform_bus, "gpio-keys", -1, |
211 | &lager_keys_pdata, | |
212 | sizeof(lager_keys_pdata)); | |
63d0539e GL |
213 | regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers, |
214 | ARRAY_SIZE(fixed3v3_power_consumers), 3300000); | |
215 | platform_device_register_resndata(&platform_bus, "sh_mmcif", 1, | |
216 | mmcif1_resources, ARRAY_SIZE(mmcif1_resources), | |
217 | &mmcif1_pdata, sizeof(mmcif1_pdata)); | |
4901e136 SH |
218 | |
219 | platform_device_register_resndata(&platform_bus, "r8a7790-ether", -1, | |
220 | ether_resources, | |
221 | ARRAY_SIZE(ether_resources), | |
222 | ðer_pdata, sizeof(ether_pdata)); | |
c75a5afa LP |
223 | |
224 | lager_add_du_device(); | |
3cc828fd MD |
225 | } |
226 | ||
48c8b96f SS |
227 | /* |
228 | * Ether LEDs on the Lager board are named LINK and ACTIVE which corresponds | |
229 | * to non-default 01 setting of the Micrel KSZ8041 PHY control register 1 bits | |
230 | * 14-15. We have to set them back to 01 from the default 00 value each time | |
231 | * the PHY is reset. It's also important because the PHY's LED0 signal is | |
232 | * connected to SoC's ETH_LINK signal and in the PHY's default mode it will | |
233 | * bounce on and off after each packet, which we apparently want to avoid. | |
234 | */ | |
235 | static int lager_ksz8041_fixup(struct phy_device *phydev) | |
236 | { | |
237 | u16 phyctrl1 = phy_read(phydev, 0x1e); | |
238 | ||
239 | phyctrl1 &= ~0xc000; | |
240 | phyctrl1 |= 0x4000; | |
241 | return phy_write(phydev, 0x1e, phyctrl1); | |
242 | } | |
243 | ||
244 | static void __init lager_init(void) | |
245 | { | |
246 | lager_add_standard_devices(); | |
247 | ||
248 | phy_register_fixup_for_id("r8a7790-ether-ff:01", lager_ksz8041_fixup); | |
249 | } | |
250 | ||
27113d63 | 251 | static const char * const lager_boards_compat_dt[] __initconst = { |
3cc828fd MD |
252 | "renesas,lager", |
253 | NULL, | |
254 | }; | |
255 | ||
256 | DT_MACHINE_START(LAGER_DT, "lager") | |
ad09cb83 | 257 | .smp = smp_ops(r8a7790_smp_ops), |
0efd7faa | 258 | .init_early = r8a7790_init_early, |
50c517d9 | 259 | .init_time = rcar_gen2_timer_init, |
48c8b96f | 260 | .init_machine = lager_init, |
3cc828fd MD |
261 | .dt_compat = lager_boards_compat_dt, |
262 | MACHINE_END |