From: root <root@lw.(none)>
Date: Thu, 9 Jun 2011 01:12:35 +0000 (+0800)
Subject: A22:update gpio i2c support from phonesdk
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=54e4e740f1d54519a43d327274b1cc7ec932b95e;p=firefly-linux-kernel-4.4.55.git

A22:update gpio i2c support from phonesdk
---

diff --git a/arch/arm/mach-rk29/board-rk29-a22.c b/arch/arm/mach-rk29/board-rk29-a22.c
old mode 100755
new mode 100644
index c3ca7ab88c00..d46125925c36
--- a/arch/arm/mach-rk29/board-rk29-a22.c
+++ b/arch/arm/mach-rk29/board-rk29-a22.c
@@ -58,6 +58,7 @@
 #include <linux/mtd/nand.h>
 #include <linux/mtd/partitions.h>
 #include <linux/leds.h>
+#include <linux/i2c-gpio.h>
 
 #include "devices.h"
 
@@ -1531,31 +1532,51 @@ static struct mpu3050_platform_data mpu3050_data = {
 *****************************************************************************************/
 static int rk29_i2c0_io_init(void)
 {
+#ifdef CONFIG_RK29_I2C0_CONTROLLER
 	rk29_mux_api_set(GPIO2B7_I2C0SCL_NAME, GPIO2L_I2C0_SCL);
 	rk29_mux_api_set(GPIO2B6_I2C0SDA_NAME, GPIO2L_I2C0_SDA);
+#else
+	rk29_mux_api_set(GPIO2B7_I2C0SCL_NAME, GPIO2L_GPIO2B7);
+	rk29_mux_api_set(GPIO2B6_I2C0SDA_NAME, GPIO2L_GPIO2B6);
+#endif
 	return 0;
 }
 
 static int rk29_i2c1_io_init(void)
 {
+#ifdef CONFIG_RK29_I2C1_CONTROLLER
 	rk29_mux_api_set(GPIO1A7_I2C1SCL_NAME, GPIO1L_I2C1_SCL);
 	rk29_mux_api_set(GPIO1A6_I2C1SDA_NAME, GPIO1L_I2C1_SDA);
+#else
+	rk29_mux_api_set(GPIO1A7_I2C1SCL_NAME, GPIO1L_GPIO1A7);
+	rk29_mux_api_set(GPIO1A6_I2C1SDA_NAME, GPIO1L_GPIO1A6);
+#endif
 	return 0;
 }
 static int rk29_i2c2_io_init(void)
 {
+#ifdef CONFIG_RK29_I2C2_CONTROLLER
 	rk29_mux_api_set(GPIO5D4_I2C2SCL_NAME, GPIO5H_I2C2_SCL);
 	rk29_mux_api_set(GPIO5D3_I2C2SDA_NAME, GPIO5H_I2C2_SDA);
+#else
+	rk29_mux_api_set(GPIO5D4_I2C2SCL_NAME, GPIO5H_GPIO5D4);
+	rk29_mux_api_set(GPIO5D3_I2C2SDA_NAME, GPIO5H_GPIO5D3);
+#endif
 	return 0;
 }
 
 static int rk29_i2c3_io_init(void)
 {
+#ifdef CONFIG_RK29_I2C3_CONTROLLER
 	rk29_mux_api_set(GPIO2B5_UART3RTSN_I2C3SCL_NAME, GPIO2L_I2C3_SCL);
 	rk29_mux_api_set(GPIO2B4_UART3CTSN_I2C3SDA_NAME, GPIO2L_I2C3_SDA);
+#else
+	rk29_mux_api_set(GPIO2B5_UART3RTSN_I2C3SCL_NAME, GPIO2L_GPIO2B5);
+	rk29_mux_api_set(GPIO2B4_UART3CTSN_I2C3SDA_NAME, GPIO2L_GPIO2B4);
+#endif
 	return 0;
 }
-
+#ifdef CONFIG_RK29_I2C0_CONTROLLER
 struct rk29_i2c_platform_data default_i2c0_data = {
 	.bus_num    = 0,
 	.flags      = 0,
@@ -1564,16 +1585,36 @@ struct rk29_i2c_platform_data default_i2c0_data = {
 	.mode 		= I2C_MODE_IRQ,
 	.io_init = rk29_i2c0_io_init,
 };
-
+#else
+struct i2c_gpio_platform_data default_i2c0_data = {
+       .sda_pin = RK29_PIN2_PB6,
+       .scl_pin = RK29_PIN2_PB7,
+       .udelay = 5, // clk = 500/udelay = 100Khz
+       .timeout = 100,//msecs_to_jiffies(200),
+       .bus_num    = 0,
+       .io_init = rk29_i2c0_io_init,
+};
+#endif
+#ifdef CONFIG_RK29_I2C1_CONTROLLER
 struct rk29_i2c_platform_data default_i2c1_data = {
 	.bus_num    = 1,
 	.flags      = 0,
 	.slave_addr = 0xff,
 	.scl_rate  = 400*1000,
-	.mode 		= I2C_MODE_POLL,
+	.mode 		= I2C_MODE_IRQ,
 	.io_init = rk29_i2c1_io_init,
 };
-
+#else
+struct i2c_gpio_platform_data default_i2c1_data = {
+       .sda_pin = RK29_PIN1_PA6,
+       .scl_pin = RK29_PIN1_PA7,
+       .udelay = 5, // clk = 500/udelay = 100Khz
+       .timeout = 100,//msecs_to_jiffies(200),
+       .bus_num    = 1,
+       .io_init = rk29_i2c1_io_init,
+};
+#endif
+#ifdef CONFIG_RK29_I2C2_CONTROLLER
 struct rk29_i2c_platform_data default_i2c2_data = {
 	.bus_num    = 2,
 	.flags      = 0,
@@ -1582,16 +1623,35 @@ struct rk29_i2c_platform_data default_i2c2_data = {
 	.mode 		= I2C_MODE_IRQ,
 	.io_init = rk29_i2c2_io_init,
 };
-
+#else
+struct i2c_gpio_platform_data default_i2c2_data = {
+       .sda_pin = RK29_PIN5_PD3,
+       .scl_pin = RK29_PIN5_PD4,
+       .udelay = 5, // clk = 500/udelay = 100Khz
+       .timeout = 100,//msecs_to_jiffies(200),
+       .bus_num    = 2,
+       .io_init = rk29_i2c2_io_init,
+};
+#endif
+#ifdef CONFIG_RK29_I2C3_CONTROLLER
 struct rk29_i2c_platform_data default_i2c3_data = {
 	.bus_num    = 3,
 	.flags      = 0,
 	.slave_addr = 0xff,
 	.scl_rate  = 400*1000,
-	.mode 		= I2C_MODE_POLL,
+	.mode 		= I2C_MODE_IRQ,
 	.io_init = rk29_i2c3_io_init,
 };
-
+#else
+struct i2c_gpio_platform_data default_i2c3_data = {
+       .sda_pin = RK29_PIN5_PB5,
+       .scl_pin = RK29_PIN5_PB4,
+       .udelay = 5, // clk = 500/udelay = 100Khz
+       .timeout = 100,//msecs_to_jiffies(200),
+       .bus_num    = 3,
+       .io_init = rk29_i2c3_io_init,
+};
+#endif
 #ifdef CONFIG_I2C0_RK29
 static struct i2c_board_info __initdata board_i2c0_devices[] = {
 #if defined (CONFIG_RK1000_CONTROL)