From: linjh <linjh@rock-chips.com>
Date: Thu, 27 Sep 2012 09:48:13 +0000 (+0800)
Subject: phonepad: commit phonepad(i30) exp gpio define
X-Git-Tag: firefly_0821_release~8538
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f38439c12e335f04da8a53e4fbdd6a6cc301d92c;p=firefly-linux-kernel-4.4.55.git

phonepad: commit phonepad(i30) exp gpio define

[reference file]
	new file:   include/linux/gpio_exp_callpad.h
---

diff --git a/include/linux/gpio_exp_callpad.h b/include/linux/gpio_exp_callpad.h
new file mode 100755
index 000000000000..298882d6fc72
--- /dev/null
+++ b/include/linux/gpio_exp_callpad.h
@@ -0,0 +1,43 @@
+#ifndef GPIO_EXP_CALLPAD_H
+#define GPIO_EXP_CALLPAD_H
+
+#define GPIOEXP_INT_TRIGGER_FALLING		0x01
+#define GPIOEXP_INT_TRIGGER_RISING		0x02
+#define GPIOEXP_INT_TRIGGER_MASK			(GPIOEXP_INT_TRIGGER_FALLING | GPIOEXP_INT_TRIGGER_RISING)
+
+enum gpioexp_port_pin_num
+{
+	//P0
+	GPIOEXP_P0_0 = 0,
+	GPIOEXP_P0_1,
+	GPIOEXP_P0_2,
+	GPIOEXP_P0_3,
+	GPIOEXP_P0_4,
+	GPIOEXP_P0_5,
+	GPIOEXP_P0_6,
+	GPIOEXP_P0_7,
+	
+	//P1
+	GPIOEXP_P1_0,
+	GPIOEXP_P1_1,
+	GPIOEXP_P1_2,
+	GPIOEXP_P1_3,
+	GPIOEXP_P1_4,
+	GPIOEXP_P1_5,
+	GPIOEXP_P1_6,
+	GPIOEXP_P1_7,
+	GPIOEXP_PIN_MAX,
+};
+
+typedef void (*gpioexp_int_handler_t)(void *data);
+
+
+extern int gpioexp_set_direction(unsigned gpio, int is_in);
+extern int gpioexp_set_output_level(unsigned gpio, int value);
+extern int gpioexp_read_input_level(unsigned gpio);
+extern int gpioexp_request_irq(unsigned int irq, gpioexp_int_handler_t handler, unsigned long flags);
+extern int gpioexp_free_irq(unsigned int irq);
+extern int gpioexp_enable_irq(unsigned int irq);
+extern int gpioexp_disable_irq(unsigned int irq);
+	
+#endif