forked from ~ljy/RK356X_SDK_RELEASE
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2024-02-20 ea08eeccae9297f7aabd2ef7f0c2517ac4549acc 
 kernel/arch/arm/mach-davinci/board-da830-evm.c
....@@ -18,7 +18,7 @@
1818 #include <linux/platform_device.h>
1919 #include <linux/i2c.h>
2020 #include <linux/platform_data/pcf857x.h>
21
-#include <linux/platform_data/at24.h>
21
+#include <linux/property.h>
2222 #include <linux/mtd/mtd.h>
2323 #include <linux/mtd/partitions.h>
2424 #include <linux/spi/spi.h>
....@@ -29,15 +29,18 @@
2929 #include <linux/platform_data/spi-davinci.h>
3030 #include <linux/platform_data/usb-davinci.h>
3131 #include <linux/platform_data/ti-aemif.h>
32
+#include <linux/regulator/fixed.h>
3233 #include <linux/regulator/machine.h>
34
+#include <linux/nvmem-provider.h>
3335 
3436 #include <asm/mach-types.h>
3537 #include <asm/mach/arch.h>
3638 
3739 #include <mach/common.h>
38
-#include "cp_intc.h"
3940 #include <mach/mux.h>
4041 #include <mach/da8xx.h>
42
+
43
+#include "irqs.h"
4144 
4245 #define DA830_EVM_PHY_ID		""
4346 /*
....@@ -51,61 +54,57 @@
5154 	-1
5255 };
5356 
54
-static da8xx_ocic_handler_t da830_evm_usb_ocic_handler;
57
+static struct regulator_consumer_supply da830_evm_usb_supplies[] = {
58
+	REGULATOR_SUPPLY("vbus", NULL),
59
+};
5560 
56
-static int da830_evm_usb_set_power(unsigned port, int on)
57
-{
58
-	gpio_set_value(ON_BD_USB_DRV, on);
59
-	return 0;
60
-}
61
+static struct regulator_init_data da830_evm_usb_vbus_data = {
62
+	.consumer_supplies	= da830_evm_usb_supplies,
63
+	.num_consumer_supplies	= ARRAY_SIZE(da830_evm_usb_supplies),
64
+	.constraints    = {
65
+		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
66
+	},
67
+};
6168 
62
-static int da830_evm_usb_get_power(unsigned port)
63
-{
64
-	return gpio_get_value(ON_BD_USB_DRV);
65
-}
69
+static struct fixed_voltage_config da830_evm_usb_vbus = {
70
+	.supply_name		= "vbus",
71
+	.microvolts		= 33000000,
72
+	.init_data		= &da830_evm_usb_vbus_data,
73
+};
6674 
67
-static int da830_evm_usb_get_oci(unsigned port)
68
-{
69
-	return !gpio_get_value(ON_BD_USB_OVC);
70
-}
75
+static struct platform_device da830_evm_usb_vbus_device = {
76
+	.name		= "reg-fixed-voltage",
77
+	.id		= 0,
78
+	.dev		= {
79
+		.platform_data = &da830_evm_usb_vbus,
80
+	},
81
+};
7182 
72
-static irqreturn_t da830_evm_usb_ocic_irq(int, void *);
83
+static struct gpiod_lookup_table da830_evm_usb_oc_gpio_lookup = {
84
+	.dev_id		= "ohci-da8xx",
85
+	.table = {
86
+		GPIO_LOOKUP("davinci_gpio", ON_BD_USB_OVC, "oc", 0),
87
+		{ }
88
+	},
89
+};
7390 
74
-static int da830_evm_usb_ocic_notify(da8xx_ocic_handler_t handler)
75
-{
76
-	int irq 	= gpio_to_irq(ON_BD_USB_OVC);
77
-	int error	= 0;
91
+static struct gpiod_lookup_table da830_evm_usb_vbus_gpio_lookup = {
92
+	.dev_id		= "reg-fixed-voltage.0",
93
+	.table = {
94
+		GPIO_LOOKUP("davinci_gpio", ON_BD_USB_DRV, NULL, 0),
95
+		{ }
96
+	},
97
+};
7898 
79
-	if (handler != NULL) {
80
-		da830_evm_usb_ocic_handler = handler;
81
-
82
-		error = request_irq(irq, da830_evm_usb_ocic_irq,
83
-				    IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
84
-				    "OHCI over-current indicator", NULL);
85
-		if (error)
86
-			pr_err("%s: could not request IRQ to watch over-current indicator changes\n",
87
-			       __func__);
88
-	} else
89
-		free_irq(irq, NULL);
90
-
91
-	return error;
92
-}
99
+static struct gpiod_lookup_table *da830_evm_usb_gpio_lookups[] = {
100
+	&da830_evm_usb_oc_gpio_lookup,
101
+	&da830_evm_usb_vbus_gpio_lookup,
102
+};
93103 
94104 static struct da8xx_ohci_root_hub da830_evm_usb11_pdata = {
95
-	.set_power	= da830_evm_usb_set_power,
96
-	.get_power	= da830_evm_usb_get_power,
97
-	.get_oci	= da830_evm_usb_get_oci,
98
-	.ocic_notify	= da830_evm_usb_ocic_notify,
99
-
100105 	/* TPS2065 switch @ 5V */
101106 	.potpgt		= (3 + 1) / 2,	/* 3 ms max */
102107 };
103
-
104
-static irqreturn_t da830_evm_usb_ocic_irq(int irq, void *dev_id)
105
-{
106
-	da830_evm_usb_ocic_handler(&da830_evm_usb11_pdata, 1);
107
-	return IRQ_HANDLED;
108
-}
109108 
110109 static __init void da830_evm_usb_init(void)
111110 {
....@@ -115,6 +114,9 @@
115114 	if (ret)
116115 		pr_warn("%s: USB PHY CLK registration failed: %d\n",
117116 			__func__, ret);
117
+
118
+	gpiod_add_lookup_tables(da830_evm_usb_gpio_lookups,
119
+				ARRAY_SIZE(da830_evm_usb_gpio_lookups));
118120 
119121 	ret = da8xx_register_usb_phy();
120122 	if (ret)
....@@ -141,21 +143,11 @@
141143 		return;
142144 	}
143145 
144
-	ret = gpio_request(ON_BD_USB_DRV, "ON_BD_USB_DRV");
146
+	ret = platform_device_register(&da830_evm_usb_vbus_device);
145147 	if (ret) {
146
-		pr_err("%s: failed to request GPIO for USB 1.1 port power control: %d\n",
147
-		       __func__, ret);
148
+		pr_warn("%s: Unable to register the vbus supply\n", __func__);
148149 		return;
149150 	}
150
-	gpio_direction_output(ON_BD_USB_DRV, 0);
151
-
152
-	ret = gpio_request(ON_BD_USB_OVC, "ON_BD_USB_OVC");
153
-	if (ret) {
154
-		pr_err("%s: failed to request GPIO for USB 1.1 port over-current indicator: %d\n",
155
-		       __func__, ret);
156
-		return;
157
-	}
158
-	gpio_direction_input(ON_BD_USB_OVC);
159151 
160152 	ret = da8xx_register_usb11(&da830_evm_usb11_pdata);
161153 	if (ret)
....@@ -207,10 +199,11 @@
207199 	.dev_id = "da830-mmc.0",
208200 	.table = {
209201 		/* gpio chip 1 contains gpio range 32-63 */
210
-		GPIO_LOOKUP("davinci_gpio.0", DA830_MMCSD_CD_PIN, "cd",
202
+		GPIO_LOOKUP("davinci_gpio", DA830_MMCSD_CD_PIN, "cd",
211203 			    GPIO_ACTIVE_LOW),
212
-		GPIO_LOOKUP("davinci_gpio.0", DA830_MMCSD_WP_PIN, "wp",
204
+		GPIO_LOOKUP("davinci_gpio", DA830_MMCSD_WP_PIN, "wp",
213205 			    GPIO_ACTIVE_LOW),
206
+		{ }
214207 	},
215208 };
216209 
....@@ -273,7 +266,7 @@
273266 	}
274267 };
275268 
276
-/* flash bbt decriptors */
269
+/* flash bbt descriptors */
277270 static uint8_t da830_evm_nand_bbt_pattern[] = { 'B', 'b', 't', '0' };
278271 static uint8_t da830_evm_nand_mirror_pattern[] = { '1', 't', 'b', 'B' };
279272 
....@@ -313,7 +306,7 @@
313306 	.core_chipsel	= 1,
314307 	.parts		= da830_evm_nand_partitions,
315308 	.nr_parts	= ARRAY_SIZE(da830_evm_nand_partitions),
316
-	.ecc_mode	= NAND_ECC_HW,
309
+	.engine_type	= NAND_ECC_ENGINE_TYPE_ON_HOST,
317310 	.ecc_bits	= 4,
318311 	.bbt_options	= NAND_BBT_USE_FLASH,
319312 	.bbt_td		= &da830_evm_nand_bbt_main_descr,
....@@ -435,12 +428,30 @@
435428 static inline void da830_evm_init_lcdc(int mux_mode) { }
436429 #endif
437430 
438
-static struct at24_platform_data da830_evm_i2c_eeprom_info = {
439
-	.byte_len	= SZ_256K / 8,
440
-	.page_size	= 64,
441
-	.flags		= AT24_FLAG_ADDR16,
442
-	.setup		= davinci_get_mac_addr,
443
-	.context	= (void *)0x7f00,
431
+static struct nvmem_cell_info da830_evm_nvmem_cells[] = {
432
+	{
433
+		.name		= "macaddr",
434
+		.offset		= 0x7f00,
435
+		.bytes		= ETH_ALEN,
436
+	}
437
+};
438
+
439
+static struct nvmem_cell_table da830_evm_nvmem_cell_table = {
440
+	.nvmem_name	= "1-00500",
441
+	.cells		= da830_evm_nvmem_cells,
442
+	.ncells		= ARRAY_SIZE(da830_evm_nvmem_cells),
443
+};
444
+
445
+static struct nvmem_cell_lookup da830_evm_nvmem_cell_lookup = {
446
+	.nvmem_name	= "1-00500",
447
+	.cell_name	= "macaddr",
448
+	.dev_id		= "davinci_emac.1",
449
+	.con_id		= "mac-address",
450
+};
451
+
452
+static const struct property_entry da830_evm_i2c_eeprom_properties[] = {
453
+	PROPERTY_ENTRY_U32("pagesize", 64),
454
+	{ }
444455 };
445456 
446457 static int __init da830_evm_ui_expander_setup(struct i2c_client *client,
....@@ -474,7 +485,7 @@
474485 static struct i2c_board_info __initdata da830_evm_i2c_devices[] = {
475486 	{
476487 		I2C_BOARD_INFO("24c256", 0x50),
477
-		.platform_data	= &da830_evm_i2c_eeprom_info,
488
+		.properties = da830_evm_i2c_eeprom_properties,
478489 	},
479490 	{
480491 		I2C_BOARD_INFO("tlv320aic3x", 0x18),
....@@ -620,6 +631,10 @@
620631 			__func__, ret);
621632 
622633 	davinci_serial_init(da8xx_serial_device);
634
+
635
+	nvmem_add_cell_table(&da830_evm_nvmem_cell_table);
636
+	nvmem_add_cell_lookups(&da830_evm_nvmem_cell_lookup, 1);
637
+
623638 	i2c_register_board_info(1, da830_evm_i2c_devices,
624639 			ARRAY_SIZE(da830_evm_i2c_devices));
625640 
....@@ -667,7 +682,7 @@
667682 MACHINE_START(DAVINCI_DA830_EVM, "DaVinci DA830/OMAP-L137/AM17x EVM")
668683 	.atag_offset	= 0x100,
669684 	.map_io		= da830_evm_map_io,
670
-	.init_irq	= cp_intc_init,
685
+	.init_irq	= da830_init_irq,
671686 	.init_time	= da830_init_time,
672687 	.init_machine	= da830_evm_init,
673688 	.init_late	= davinci_init_late,