Orange Pi5 kernel

Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards

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^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * GPIO interface for Intel Poulsbo SCH
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *  Copyright (c) 2010 CompuLab Ltd
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  *  Author: Denis Turischev <denis@compulab.co.il>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) #include <linux/acpi.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) #include <linux/errno.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11) #include <linux/gpio/driver.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12) #include <linux/io.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #include <linux/pci_ids.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18) #define GEN	0x00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19) #define GIO	0x04
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) #define GLV	0x08
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) struct sch_gpio {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 	struct gpio_chip chip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 	spinlock_t lock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 	unsigned short iobase;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 	unsigned short resume_base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) static unsigned int sch_gpio_offset(struct sch_gpio *sch, unsigned int gpio,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 				unsigned int reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 	unsigned int base = 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	if (gpio >= sch->resume_base) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 		gpio -= sch->resume_base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 		base += 0x20;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	return base + reg + gpio / 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) static unsigned int sch_gpio_bit(struct sch_gpio *sch, unsigned int gpio)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	if (gpio >= sch->resume_base)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 		gpio -= sch->resume_base;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	return gpio % 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) static int sch_gpio_reg_get(struct sch_gpio *sch, unsigned int gpio, unsigned int reg)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 	unsigned short offset, bit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	u8 reg_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 	offset = sch_gpio_offset(sch, gpio, reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	bit = sch_gpio_bit(sch, gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) 	reg_val = !!(inb(sch->iobase + offset) & BIT(bit));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	return reg_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) static void sch_gpio_reg_set(struct sch_gpio *sch, unsigned int gpio, unsigned int reg,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) 			     int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 	unsigned short offset, bit;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) 	u8 reg_val;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) 	offset = sch_gpio_offset(sch, gpio, reg);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) 	bit = sch_gpio_bit(sch, gpio);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	reg_val = inb(sch->iobase + offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	if (val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 		outb(reg_val | BIT(bit), sch->iobase + offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 		outb((reg_val & ~BIT(bit)), sch->iobase + offset);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) static int sch_gpio_direction_in(struct gpio_chip *gc, unsigned int gpio_num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	struct sch_gpio *sch = gpiochip_get_data(gc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	spin_lock(&sch->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	sch_gpio_reg_set(sch, gpio_num, GIO, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	spin_unlock(&sch->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) static int sch_gpio_get(struct gpio_chip *gc, unsigned int gpio_num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	struct sch_gpio *sch = gpiochip_get_data(gc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	return sch_gpio_reg_get(sch, gpio_num, GLV);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) static void sch_gpio_set(struct gpio_chip *gc, unsigned int gpio_num, int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	struct sch_gpio *sch = gpiochip_get_data(gc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	spin_lock(&sch->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	sch_gpio_reg_set(sch, gpio_num, GLV, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	spin_unlock(&sch->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) static int sch_gpio_direction_out(struct gpio_chip *gc, unsigned int gpio_num,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 				  int val)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	struct sch_gpio *sch = gpiochip_get_data(gc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	spin_lock(&sch->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	sch_gpio_reg_set(sch, gpio_num, GIO, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	spin_unlock(&sch->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	 * according to the datasheet, writing to the level register has no
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	 * effect when GPIO is programmed as input.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	 * Actually the the level register is read-only when configured as input.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	 * Thus presetting the output level before switching to output is _NOT_ possible.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	 * Hence we set the level after configuring the GPIO as output.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	 * But we cannot prevent a short low pulse if direction is set to high
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	 * and an external pull-up is connected.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	sch_gpio_set(gc, gpio_num, val);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	return 0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) static int sch_gpio_get_direction(struct gpio_chip *gc, unsigned int gpio_num)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	struct sch_gpio *sch = gpiochip_get_data(gc);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	if (sch_gpio_reg_get(sch, gpio_num, GIO))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 		return GPIO_LINE_DIRECTION_IN;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	return GPIO_LINE_DIRECTION_OUT;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) static const struct gpio_chip sch_gpio_chip = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	.label			= "sch_gpio",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	.owner			= THIS_MODULE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	.direction_input	= sch_gpio_direction_in,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	.get			= sch_gpio_get,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	.direction_output	= sch_gpio_direction_out,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	.set			= sch_gpio_set,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	.get_direction		= sch_gpio_get_direction,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) static int sch_gpio_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	struct sch_gpio *sch;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	struct resource *res;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	sch = devm_kzalloc(&pdev->dev, sizeof(*sch), GFP_KERNEL);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 	if (!sch)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 		return -ENOMEM;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	res = platform_get_resource(pdev, IORESOURCE_IO, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) 	if (!res)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 		return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	if (!devm_request_region(&pdev->dev, res->start, resource_size(res),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 				 pdev->name))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 		return -EBUSY;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	spin_lock_init(&sch->lock);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	sch->iobase = res->start;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	sch->chip = sch_gpio_chip;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	sch->chip.label = dev_name(&pdev->dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	sch->chip.parent = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	switch (pdev->id) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	case PCI_DEVICE_ID_INTEL_SCH_LPC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 		sch->resume_base = 10;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 		sch->chip.ngpio = 14;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 		 * GPIO[6:0] enabled by default
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 		 * GPIO7 is configured by the CMC as SLPIOVR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 		 * Enable GPIO[9:8] core powered gpios explicitly
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 		sch_gpio_reg_set(sch, 8, GEN, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 		sch_gpio_reg_set(sch, 9, GEN, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 		 * SUS_GPIO[2:0] enabled by default
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 		 * Enable SUS_GPIO3 resume powered gpio explicitly
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 		sch_gpio_reg_set(sch, 13, GEN, 1);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 	case PCI_DEVICE_ID_INTEL_ITC_LPC:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 		sch->resume_base = 5;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 		sch->chip.ngpio = 14;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	case PCI_DEVICE_ID_INTEL_CENTERTON_ILB:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 		sch->resume_base = 21;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 		sch->chip.ngpio = 30;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 	case PCI_DEVICE_ID_INTEL_QUARK_X1000_ILB:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) 		sch->resume_base = 2;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) 		sch->chip.ngpio = 8;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) 	default:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 		return -ENODEV;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	platform_set_drvdata(pdev, sch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	return devm_gpiochip_add_data(&pdev->dev, &sch->chip, sch);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) static struct platform_driver sch_gpio_driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	.driver = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 		.name = "sch_gpio",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	.probe		= sch_gpio_probe,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) module_platform_driver(sch_gpio_driver);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) MODULE_AUTHOR("Denis Turischev <denis@compulab.co.il>");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) MODULE_DESCRIPTION("GPIO interface for Intel Poulsbo SCH");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) MODULE_LICENSE("GPL v2");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) MODULE_ALIAS("platform:sch_gpio");