forked from ~ljy/RK356X_SDK_RELEASE
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2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4 
 kernel/arch/arm/mach-davinci/board-omapl138-hawk.c
....@@ -3,7 +3,7 @@
33  *
44  * Initial code: Syed Mohammed Khasim
55  *
6
- * Copyright (C) 2009 Texas Instruments Incorporated - http://www.ti.com
6
+ * Copyright (C) 2009 Texas Instruments Incorporated - https://www.ti.com
77  *
88  * This file is licensed under the terms of the GNU General Public License
99  * version 2. This program is licensed "as is" without any warranty of
....@@ -21,13 +21,13 @@
2121 #include <linux/platform_data/mtd-davinci.h>
2222 #include <linux/platform_data/mtd-davinci-aemif.h>
2323 #include <linux/platform_data/ti-aemif.h>
24
+#include <linux/regulator/fixed.h>
2425 #include <linux/regulator/machine.h>
2526 
2627 #include <asm/mach-types.h>
2728 #include <asm/mach/arch.h>
2829 
2930 #include <mach/common.h>
30
-#include "cp_intc.h"
3131 #include <mach/da8xx.h>
3232 #include <mach/mux.h>
3333 
....@@ -134,9 +134,9 @@
134134 static struct gpiod_lookup_table mmc_gpios_table = {
135135 	.dev_id = "da830-mmc.0",
136136 	.table = {
137
-		GPIO_LOOKUP("davinci_gpio.0", DA850_HAWK_MMCSD_CD_PIN, "cd",
137
+		GPIO_LOOKUP("davinci_gpio", DA850_HAWK_MMCSD_CD_PIN, "cd",
138138 			    GPIO_ACTIVE_LOW),
139
-		GPIO_LOOKUP("davinci_gpio.0", DA850_HAWK_MMCSD_WP_PIN, "wp",
139
+		GPIO_LOOKUP("davinci_gpio", DA850_HAWK_MMCSD_WP_PIN, "wp",
140140 			    GPIO_ACTIVE_LOW),
141141 	},
142142 };
....@@ -206,7 +206,7 @@
206206 	.core_chipsel	= 1,
207207 	.parts		= omapl138_hawk_nandflash_partition,
208208 	.nr_parts	= ARRAY_SIZE(omapl138_hawk_nandflash_partition),
209
-	.ecc_mode	= NAND_ECC_HW,
209
+	.engine_type	= NAND_ECC_ENGINE_TYPE_ON_HOST,
210210 	.ecc_bits	= 4,
211211 	.bbt_options	= NAND_BBT_USE_FLASH,
212212 	.options	= NAND_BUSWIDTH_16,
....@@ -294,65 +294,62 @@
294294 	return platform_device_register(&omapl138_hawk_aemif_device);
295295 }
296296 
297
-static irqreturn_t omapl138_hawk_usb_ocic_irq(int irq, void *dev_id);
298
-static da8xx_ocic_handler_t hawk_usb_ocic_handler;
299
-
300297 static const short da850_hawk_usb11_pins[] = {
301298 	DA850_GPIO2_4, DA850_GPIO6_13,
302299 	-1
303300 };
304301 
305
-static int hawk_usb_set_power(unsigned port, int on)
306
-{
307
-	gpio_set_value(DA850_USB1_VBUS_PIN, on);
308
-	return 0;
309
-}
302
+static struct regulator_consumer_supply hawk_usb_supplies[] = {
303
+	REGULATOR_SUPPLY("vbus", NULL),
304
+};
310305 
311
-static int hawk_usb_get_power(unsigned port)
312
-{
313
-	return gpio_get_value(DA850_USB1_VBUS_PIN);
314
-}
306
+static struct regulator_init_data hawk_usb_vbus_data = {
307
+	.consumer_supplies	= hawk_usb_supplies,
308
+	.num_consumer_supplies	= ARRAY_SIZE(hawk_usb_supplies),
309
+	.constraints    = {
310
+		.valid_ops_mask = REGULATOR_CHANGE_STATUS,
311
+	},
312
+};
315313 
316
-static int hawk_usb_get_oci(unsigned port)
317
-{
318
-	return !gpio_get_value(DA850_USB1_OC_PIN);
319
-}
314
+static struct fixed_voltage_config hawk_usb_vbus = {
315
+	.supply_name		= "vbus",
316
+	.microvolts		= 3300000,
317
+	.init_data		= &hawk_usb_vbus_data,
318
+};
320319 
321
-static int hawk_usb_ocic_notify(da8xx_ocic_handler_t handler)
322
-{
323
-	int irq         = gpio_to_irq(DA850_USB1_OC_PIN);
324
-	int error       = 0;
320
+static struct platform_device hawk_usb_vbus_device = {
321
+	.name		= "reg-fixed-voltage",
322
+	.id		= 0,
323
+	.dev		= {
324
+		.platform_data = &hawk_usb_vbus,
325
+	},
326
+};
325327 
326
-	if (handler != NULL) {
327
-		hawk_usb_ocic_handler = handler;
328
+static struct gpiod_lookup_table hawk_usb_oc_gpio_lookup = {
329
+	.dev_id		= "ohci-da8xx",
330
+	.table = {
331
+		GPIO_LOOKUP("davinci_gpio", DA850_USB1_OC_PIN, "oc", 0),
332
+		{ }
333
+	},
334
+};
328335 
329
-		error = request_irq(irq, omapl138_hawk_usb_ocic_irq,
330
-					IRQF_TRIGGER_RISING |
331
-					IRQF_TRIGGER_FALLING,
332
-					"OHCI over-current indicator", NULL);
333
-		if (error)
334
-			pr_err("%s: could not request IRQ to watch "
335
-				"over-current indicator changes\n", __func__);
336
-	} else {
337
-		free_irq(irq, NULL);
338
-	}
339
-	return error;
340
-}
336
+static struct gpiod_lookup_table hawk_usb_vbus_gpio_lookup = {
337
+	.dev_id		= "reg-fixed-voltage.0",
338
+	.table = {
339
+		GPIO_LOOKUP("davinci_gpio", DA850_USB1_VBUS_PIN, NULL, 0),
340
+		{ }
341
+	},
342
+};
343
+
344
+static struct gpiod_lookup_table *hawk_usb_gpio_lookups[] = {
345
+	&hawk_usb_oc_gpio_lookup,
346
+	&hawk_usb_vbus_gpio_lookup,
347
+};
341348 
342349 static struct da8xx_ohci_root_hub omapl138_hawk_usb11_pdata = {
343
-	.set_power      = hawk_usb_set_power,
344
-	.get_power      = hawk_usb_get_power,
345
-	.get_oci        = hawk_usb_get_oci,
346
-	.ocic_notify    = hawk_usb_ocic_notify,
347350 	/* TPS2087 switch @ 5V */
348351 	.potpgt         = (3 + 1) / 2,  /* 3 ms max */
349352 };
350
-
351
-static irqreturn_t omapl138_hawk_usb_ocic_irq(int irq, void *dev_id)
352
-{
353
-	hawk_usb_ocic_handler(&omapl138_hawk_usb11_pdata, 1);
354
-	return IRQ_HANDLED;
355
-}
356353 
357354 static __init void omapl138_hawk_usb_init(void)
358355 {
....@@ -369,39 +366,25 @@
369366 		pr_warn("%s: USB PHY CLK registration failed: %d\n",
370367 			__func__, ret);
371368 
369
+	gpiod_add_lookup_tables(hawk_usb_gpio_lookups,
370
+				ARRAY_SIZE(hawk_usb_gpio_lookups));
371
+
372372 	ret = da8xx_register_usb_phy();
373373 	if (ret)
374374 		pr_warn("%s: USB PHY registration failed: %d\n",
375375 			__func__, ret);
376376 
377
-	ret = gpio_request_one(DA850_USB1_VBUS_PIN,
378
-			GPIOF_DIR_OUT, "USB1 VBUS");
379
-	if (ret < 0) {
380
-		pr_err("%s: failed to request GPIO for USB 1.1 port "
381
-			"power control: %d\n", __func__, ret);
377
+	ret = platform_device_register(&hawk_usb_vbus_device);
378
+	if (ret) {
379
+		pr_warn("%s: Unable to register the vbus supply\n", __func__);
382380 		return;
383381 	}
384382 
385
-	ret = gpio_request_one(DA850_USB1_OC_PIN,
386
-			GPIOF_DIR_IN, "USB1 OC");
387
-	if (ret < 0) {
388
-		pr_err("%s: failed to request GPIO for USB 1.1 port "
389
-			"over-current indicator: %d\n", __func__, ret);
390
-		goto usb11_setup_oc_fail;
391
-	}
392
-
393383 	ret = da8xx_register_usb11(&omapl138_hawk_usb11_pdata);
394
-	if (ret) {
384
+	if (ret)
395385 		pr_warn("%s: USB 1.1 registration failed: %d\n", __func__, ret);
396
-		goto usb11_setup_fail;
397
-	}
398386 
399387 	return;
400
-
401
-usb11_setup_fail:
402
-	gpio_free(DA850_USB1_OC_PIN);
403
-usb11_setup_oc_fail:
404
-	gpio_free(DA850_USB1_VBUS_PIN);
405388 }
406389 
407390 static __init void omapl138_hawk_init(void)
....@@ -462,7 +445,7 @@
462445 MACHINE_START(OMAPL138_HAWKBOARD, "AM18x/OMAP-L138 Hawkboard")
463446 	.atag_offset	= 0x100,
464447 	.map_io		= omapl138_hawk_map_io,
465
-	.init_irq	= cp_intc_init,
448
+	.init_irq	= da850_init_irq,
466449 	.init_time	= da850_init_time,
467450 	.init_machine	= omapl138_hawk_init,
468451 	.init_late	= davinci_init_late,