add ax88772C AX88772C_eeprom_tools

hc

2024-05-10 61598093bbdd283a7edc367d900f223070ead8d2

 kernel/arch/mips/rb532/devices.c
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..
@@ -1,18 +1,9 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  *  RouterBoard 500 Platform devices
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  *
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  *  Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
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  *  Copyright (C) 2007 Florian Fainelli <florian@openwrt.org>
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- *
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- *  This program is free software; you can redistribute it and/or modify
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- *  it under the terms of the GNU General Public License as published by
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- *  the Free Software Foundation; either version 2 of the License, or
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- *  (at your option) any later version.
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- *
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- *  This program is distributed in the hope that it will be useful,
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- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
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- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- *  GNU General Public License for more details.
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  */
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 #include <linux/kernel.h>
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 #include <linux/export.h>
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@@ -20,10 +11,10 @@
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 #include <linux/ctype.h>
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 #include <linux/string.h>
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 #include <linux/platform_device.h>
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-#include <linux/mtd/rawnand.h>
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+#include <linux/mtd/platnand.h>
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 #include <linux/mtd/mtd.h>
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-#include <linux/mtd/partitions.h>
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 #include <linux/gpio.h>
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+#include <linux/gpio/machine.h>
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 #include <linux/gpio_keys.h>
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 #include <linux/input.h>
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 #include <linux/serial_8250.h>
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@@ -128,27 +119,30 @@
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 	}
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 };
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-static struct cf_device cf_slot0_data = {
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-	.gpio_pin = CF_GPIO_NUM
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+static struct gpiod_lookup_table cf_slot0_gpio_table = {
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+	.dev_id = "pata-rb532-cf",
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+	.table = {
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+		GPIO_LOOKUP("gpio0", CF_GPIO_NUM,
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+			    NULL, GPIO_ACTIVE_HIGH),
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+		{ },
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+	},
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 };
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 static struct platform_device cf_slot0 = {
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 	.id = -1,
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 	.name = "pata-rb532-cf",
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-	.dev.platform_data = &cf_slot0_data,
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 	.resource = cf_slot0_res,
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 	.num_resources = ARRAY_SIZE(cf_slot0_res),
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 };
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 /* Resources and device for NAND */
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-static int rb532_dev_ready(struct mtd_info *mtd)
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+static int rb532_dev_ready(struct nand_chip *chip)
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 {
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 	return gpio_get_value(GPIO_RDY);
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 }
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-static void rb532_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl)
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+static void rb532_cmd_ctrl(struct nand_chip *chip, int cmd, unsigned int ctrl)
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 {
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-	struct nand_chip *chip = mtd_to_nand(mtd);
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 	unsigned char orbits, nandbits;
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 	if (ctrl & NAND_CTRL_CHANGE) {
..
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@@ -161,7 +155,7 @@
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 		set_latch_u5(orbits, nandbits);
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 	}
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 	if (cmd != NAND_CMD_NONE)
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-		writeb(cmd, chip->IO_ADDR_W);
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+		writeb(cmd, chip->legacy.IO_ADDR_W);
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 }
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 static struct resource nand_slot0_res[] = {
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@@ -292,7 +286,7 @@
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 	nand_slot0_res[0].end = nand_slot0_res[0].start + 0x1000;
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 	/* Read and map device controller 3 */
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-	dev3.base = ioremap_nocache(readl(IDT434_REG_BASE + DEV3BASE), 1);
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+	dev3.base = ioremap(readl(IDT434_REG_BASE + DEV3BASE), 1);
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 	if (!dev3.base) {
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 		printk(KERN_ERR "rb532: cannot remap device controller 3\n");
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@@ -307,6 +301,7 @@
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 	dev_set_drvdata(&korina_dev0.dev, &korina_dev0_data);
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+	gpiod_add_lookup_table(&cf_slot0_gpio_table);
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 	return platform_add_devices(rb532_devs, ARRAY_SIZE(rb532_devs));
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 }
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@@ -315,11 +310,9 @@
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 static int __init setup_kmac(char *s)
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 {
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 	printk(KERN_INFO "korina mac = %s\n", s);
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-	if (!mac_pton(s, korina_dev0_data.mac)) {
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+	if (!mac_pton(s, korina_dev0_data.mac))
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 		printk(KERN_ERR "Invalid mac\n");
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-		return -EINVAL;
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-	}
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-	return 0;
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+	return 1;
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 }
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 __setup("kmac=", setup_kmac);