1 // SPDX-License-Identifier: GPL-2.0-only
3 * linux/arch/arm/mach-mmp/brownstone.c
5 * Support for the Marvell Brownstone Development Platform.
7 * Copyright (C) 2009-2010 Marvell International Ltd.
10 #include <linux/init.h>
11 #include <linux/kernel.h>
12 #include <linux/platform_device.h>
14 #include <linux/gpio-pxa.h>
15 #include <linux/gpio/machine.h>
16 #include <linux/regulator/machine.h>
17 #include <linux/regulator/max8649.h>
18 #include <linux/regulator/fixed.h>
19 #include <linux/mfd/max8925.h>
21 #include <asm/mach-types.h>
22 #include <asm/mach/arch.h>
30 #define BROWNSTONE_NR_IRQS (MMP_NR_IRQS + 40)
32 #define GPIO_5V_ENABLE (89)
34 static unsigned long brownstone_pin_config[] __initdata = {
70 PMIC_PMIC_INT | MFP_LPM_EDGE_FALL,
73 GPIO131_MMC1_DAT3 | MFP_PULL_HIGH,
74 GPIO132_MMC1_DAT2 | MFP_PULL_HIGH,
75 GPIO133_MMC1_DAT1 | MFP_PULL_HIGH,
76 GPIO134_MMC1_DAT0 | MFP_PULL_HIGH,
77 GPIO136_MMC1_CMD | MFP_PULL_HIGH,
79 GPIO140_MMC1_CD | MFP_PULL_LOW,
80 GPIO141_MMC1_WP | MFP_PULL_LOW,
83 GPIO37_MMC2_DAT3 | MFP_PULL_HIGH,
84 GPIO38_MMC2_DAT2 | MFP_PULL_HIGH,
85 GPIO39_MMC2_DAT1 | MFP_PULL_HIGH,
86 GPIO40_MMC2_DAT0 | MFP_PULL_HIGH,
87 GPIO41_MMC2_CMD | MFP_PULL_HIGH,
91 GPIO165_MMC3_DAT7 | MFP_PULL_HIGH,
92 GPIO162_MMC3_DAT6 | MFP_PULL_HIGH,
93 GPIO166_MMC3_DAT5 | MFP_PULL_HIGH,
94 GPIO163_MMC3_DAT4 | MFP_PULL_HIGH,
95 GPIO167_MMC3_DAT3 | MFP_PULL_HIGH,
96 GPIO164_MMC3_DAT2 | MFP_PULL_HIGH,
97 GPIO168_MMC3_DAT1 | MFP_PULL_HIGH,
98 GPIO111_MMC3_DAT0 | MFP_PULL_HIGH,
99 GPIO112_MMC3_CMD | MFP_PULL_HIGH,
106 static struct pxa_gpio_platform_data mmp2_gpio_pdata = {
107 .irq_base = MMP_GPIO_TO_IRQ(0),
110 static struct regulator_consumer_supply max8649_supply[] = {
111 REGULATOR_SUPPLY("vcc_core", NULL),
114 static struct regulator_init_data max8649_init_data = {
116 .name = "vcc_core range",
121 .valid_ops_mask = REGULATOR_CHANGE_VOLTAGE,
123 .num_consumer_supplies = 1,
124 .consumer_supplies = &max8649_supply[0],
127 static struct max8649_platform_data brownstone_max8649_info = {
128 .mode = 2, /* VID1 = 1, VID0 = 0 */
130 .ramp_timing = MAX8649_RAMP_32MV,
131 .regulator = &max8649_init_data,
134 static struct regulator_consumer_supply brownstone_v_5vp_supplies[] = {
135 REGULATOR_SUPPLY("v_5vp", NULL),
138 static struct regulator_init_data brownstone_v_5vp_data = {
140 .valid_ops_mask = REGULATOR_CHANGE_STATUS,
142 .num_consumer_supplies = ARRAY_SIZE(brownstone_v_5vp_supplies),
143 .consumer_supplies = brownstone_v_5vp_supplies,
146 static struct fixed_voltage_config brownstone_v_5vp = {
147 .supply_name = "v_5vp",
148 .microvolts = 5000000,
149 .enabled_at_boot = 1,
150 .init_data = &brownstone_v_5vp_data,
153 static struct platform_device brownstone_v_5vp_device = {
154 .name = "reg-fixed-voltage",
157 .platform_data = &brownstone_v_5vp,
161 static struct gpiod_lookup_table brownstone_v_5vp_gpiod_table = {
162 .dev_id = "reg-fixed-voltage.1", /* .id set to 1 above */
164 GPIO_LOOKUP("gpio-pxa", GPIO_5V_ENABLE,
165 NULL, GPIO_ACTIVE_HIGH),
170 static struct max8925_platform_data brownstone_max8925_info = {
171 .irq_base = MMP_NR_IRQS,
174 static struct i2c_board_info brownstone_twsi1_info[] = {
178 .platform_data = &brownstone_max8649_info,
183 .irq = IRQ_MMP2_PMIC,
184 .platform_data = &brownstone_max8925_info,
188 static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc0 = {
189 .clk_delay_cycles = 0x1f,
192 static struct sdhci_pxa_platdata mmp2_sdh_platdata_mmc2 = {
193 .clk_delay_cycles = 0x1f,
194 .flags = PXA_FLAG_CARD_PERMANENT
195 | PXA_FLAG_SD_8_BIT_CAPABLE_SLOT,
198 static struct sram_platdata mmp2_asram_platdata = {
199 .pool_name = "asram",
200 .granularity = SRAM_GRANULARITY,
203 static struct sram_platdata mmp2_isram_platdata = {
204 .pool_name = "isram",
205 .granularity = SRAM_GRANULARITY,
208 static void __init brownstone_init(void)
210 mfp_config(ARRAY_AND_SIZE(brownstone_pin_config));
212 /* on-chip devices */
215 platform_device_add_data(&mmp2_device_gpio, &mmp2_gpio_pdata,
216 sizeof(struct pxa_gpio_platform_data));
217 platform_device_register(&mmp2_device_gpio);
218 mmp2_add_twsi(1, NULL, ARRAY_AND_SIZE(brownstone_twsi1_info));
219 mmp2_add_sdhost(0, &mmp2_sdh_platdata_mmc0); /* SD/MMC */
220 mmp2_add_sdhost(2, &mmp2_sdh_platdata_mmc2); /* eMMC */
221 mmp2_add_asram(&mmp2_asram_platdata);
222 mmp2_add_isram(&mmp2_isram_platdata);
224 /* enable 5v regulator */
225 gpiod_add_lookup_table(&brownstone_v_5vp_gpiod_table);
226 platform_device_register(&brownstone_v_5vp_device);
229 MACHINE_START(BROWNSTONE, "Brownstone Development Platform")
230 /* Maintainer: Haojian Zhuang <haojian.zhuang@marvell.com> */
231 .map_io = mmp_map_io,
232 .nr_irqs = BROWNSTONE_NR_IRQS,
233 .init_irq = mmp2_init_irq,
234 .init_time = mmp2_timer_init,
235 .init_machine = brownstone_init,
236 .restart = mmp_restart,