diff -drupN a/tools/pm-sleep/gpio.c b/tools/pm-sleep/gpio.c
--- a/tools/pm-sleep/gpio.c	1970-01-01 03:00:00.000000000 +0300
+++ b/tools/pm-sleep/gpio.c	2022-06-09 05:02:37.000000000 +0300
@@ -0,0 +1,67 @@
+#include "common.h"
+#include "gpio.h"
+void set_gpio_func(int gpio, int type) {
+	int i;
+	int port = gpio >> 5;
+	int pin = gpio & 0x1f;
+	int addr = GPIO_BASE + PXINT + port * 0x100;
+	int b;
+	for(i = 0;i < 4;i++){
+		b = REG32(addr + 0x10 * i);
+		b &= ~(1 << pin);
+		b |= (((type >> (3 - i)) & 1) << pin);
+		REG32(addr + 0x10 * i) = b;
+	}
+}
+
+int get_gpio_func(int gpio) {
+	int i;
+	int ret = 0;
+	int port = gpio >> 5;
+	int pin = gpio & 0x1f;
+	int addr = GPIO_BASE + PXINT + port * 0x100;
+	for(i = 0;i < 4;i++){
+		ret |= ((REG32(addr + 0x10 * i) >> pin) & 1)  << (3 - i);
+	}
+	return ret;
+}
+
+
+#if 0
+#define readl(addr)      ({*(volatile unsigned int *)(addr);})
+
+#define writel(v,addr)   do{*(volatile unsigned int *)(addr) = (v);}while(0)
+
+
+int gpio_get_value(unsigned int gpio)
+{
+	unsigned int port = gpio / 32;
+	unsigned int pin = gpio % 32;
+	unsigned int base = GPIO_BASE + 0x100 * port;
+	return !!(readl(base + PXPIN) & (1 << pin));
+}
+void gpio_direction_output(unsigned int gpio, int value)
+{
+	unsigned int port = gpio / 32;
+	unsigned int pin = gpio % 32;
+	unsigned int base = GPIO_BASE + 0x100 * port;
+	writel(1 << pin, base + PXINTC);
+	writel(1 << pin, base + PXMSKS);
+	writel(1 << pin, base + PXPAT1C);
+	if (value)
+		writel(1 << pin, base + PXPAT0S);
+	else
+		writel(1 << pin, base + PXPAT0C);
+
+}
+void gpio_direction_input(unsigned int gpio)
+{
+	unsigned int port = gpio / 32;
+	unsigned int pin = gpio % 32;
+	unsigned int base = GPIO_BASE + 0x100 * port;
+
+	writel(1 << pin, base + PXINTC);
+	writel(1 << pin, base + PXMSKS);
+	writel(1 << pin, base + PXPAT1S);
+}
+#endif