[U-Boot] [PATCH 2/2] drivers: i2c: mxc: Update support to 8 I2C controllers

[Sriram Dash]

Existing driver supports upto 4 I2C controllers.
But some of future NXPs SoCs like lx2160a has
eight I2C controllers.

Update MXC driver to support upto 8 I2C controllers

Signed-off-by: Sriram Dash <sriram.dash at nxp.com>
Signed-off-by: Priyanka Jain <priyanka.jain at nxp.com>
---
 drivers/i2c/Kconfig   | 80 +++++++++++++++++++++++++++++++++++++++++++++++++++
 drivers/i2c/mxc_i2c.c | 56 ++++++++++++++++++++++++++++++++++++
 2 files changed, 136 insertions(+)

diff --git a/drivers/i2c/Kconfig b/drivers/i2c/Kconfig
index 7cad493..c863a6e 100644
--- a/drivers/i2c/Kconfig
+++ b/drivers/i2c/Kconfig
@@ -179,6 +179,30 @@ config SYS_I2C_MXC_I2C4
 	help
 	 Add support for NXP MXC I2C Controller 4.
 	 Required for SoCs which have I2C MXC controller 4 eg LS1088A, LS2080A
+
+config SYS_I2C_MXC_I2C5
+	bool "NXP MXC I2C5"
+	help
+	 Add support for NXP MXC I2C Controller 5.
+	 Required for SoCs which have I2C MXC controller 5 eg LX2160A
+
+config SYS_I2C_MXC_I2C6
+	bool "NXP MXC I2C6"
+	help
+	 Add support for NXP MXC I2C Controller 6.
+	 Required for SoCs which have I2C MXC controller 6 eg LX2160A
+
+config SYS_I2C_MXC_I2C7
+	bool "NXP MXC I2C7"
+	help
+	 Add support for NXP MXC I2C Controller 7.
+	 Required for SoCs which have I2C MXC controller 7 eg LX2160A
+
+config SYS_I2C_MXC_I2C8
+	bool "NXP MXC I2C8"
+	help
+	 Add support for NXP MXC I2C Controller 8.
+	 Required for SoCs which have I2C MXC controller 8 eg LX2160A
 endif
 
 if SYS_I2C_MXC_I2C1
@@ -239,6 +263,62 @@ config SYS_MXC_I2C4_SLAVE
 	 MXC I2C4 Slave
 endif
 
+if SYS_I2C_MXC_I2C5
+config SYS_MXC_I2C5_SPEED
+	int "I2C Channel 5 speed"
+	default 100000
+	help
+	 MXC I2C Channel 5 speed
+
+config SYS_MXC_I2C5_SLAVE
+	int "I2C5 Slave"
+	default 0
+	help
+	 MXC I2C5 Slave
+endif
+
+if SYS_I2C_MXC_I2C6
+config SYS_MXC_I2C6_SPEED
+	int "I2C Channel 6 speed"
+	default 100000
+	help
+	 MXC I2C Channel 6 speed
+
+config SYS_MXC_I2C6_SLAVE
+	int "I2C6 Slave"
+	default 0
+	help
+	 MXC I2C6 Slave
+endif
+
+if SYS_I2C_MXC_I2C7
+config SYS_MXC_I2C7_SPEED
+	int "I2C Channel 7 speed"
+	default 100000
+	help
+	 MXC I2C Channel 7 speed
+
+config SYS_MXC_I2C7_SLAVE
+	int "I2C7 Slave"
+	default 0
+	help
+	 MXC I2C7 Slave
+endif
+
+if SYS_I2C_MXC_I2C8
+config SYS_MXC_I2C8_SPEED
+	int "I2C Channel 8 speed"
+	default 100000
+	help
+	 MXC I2C Channel 8 speed
+
+config SYS_MXC_I2C8_SLAVE
+	int "I2C8 Slave"
+	default 0
+	help
+	 MXC I2C8 Slave
+endif
+
 config SYS_I2C_OMAP24XX
 	bool "TI OMAP2+ I2C driver"
 	depends on ARCH_OMAP2PLUS
diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c
index 79228c2..a17c1ec 100644
--- a/drivers/i2c/mxc_i2c.c
+++ b/drivers/i2c/mxc_i2c.c
@@ -589,6 +589,22 @@ static int bus_i2c_write(struct mxc_i2c_bus *i2c_bus, u8 chip, u32 addr,
 #define I2C4_BASE_ADDR	0
 #endif
 
+#if !defined(I2C5_BASE_ADDR)
+#define I2C5_BASE_ADDR 0
+#endif
+
+#if !defined(I2C6_BASE_ADDR)
+#define I2C6_BASE_ADDR 0
+#endif
+
+#if !defined(I2C7_BASE_ADDR)
+#define I2C7_BASE_ADDR 0
+#endif
+
+#if !defined(I2C8_BASE_ADDR)
+#define I2C8_BASE_ADDR 0
+#endif
+
 static struct mxc_i2c_bus mxc_i2c_buses[] = {
 #if defined(CONFIG_ARCH_LS1021A) || defined(CONFIG_VF610) || \
 	defined(CONFIG_FSL_LAYERSCAPE)
@@ -596,11 +612,19 @@ static struct mxc_i2c_bus mxc_i2c_buses[] = {
 	{ 1, I2C2_BASE_ADDR, I2C_QUIRK_FLAG },
 	{ 2, I2C3_BASE_ADDR, I2C_QUIRK_FLAG },
 	{ 3, I2C4_BASE_ADDR, I2C_QUIRK_FLAG },
+	{ 4, I2C5_BASE_ADDR, I2C_QUIRK_FLAG },
+	{ 5, I2C6_BASE_ADDR, I2C_QUIRK_FLAG },
+	{ 6, I2C7_BASE_ADDR, I2C_QUIRK_FLAG },
+	{ 7, I2C8_BASE_ADDR, I2C_QUIRK_FLAG },
 #else
 	{ 0, I2C1_BASE_ADDR, 0 },
 	{ 1, I2C2_BASE_ADDR, 0 },
 	{ 2, I2C3_BASE_ADDR, 0 },
 	{ 3, I2C4_BASE_ADDR, 0 },
+	{ 4, I2C5_BASE_ADDR, 0 },
+	{ 5, I2C6_BASE_ADDR, 0 },
+	{ 6, I2C7_BASE_ADDR, 0 },
+	{ 7, I2C8_BASE_ADDR, 0 },
 #endif
 };
 
@@ -738,6 +762,38 @@ U_BOOT_I2C_ADAP_COMPLETE(mxc3, mxc_i2c_init, mxc_i2c_probe,
 			 CONFIG_SYS_MXC_I2C4_SLAVE, 3)
 #endif
 
+#ifdef CONFIG_SYS_I2C_MXC_I2C5
+U_BOOT_I2C_ADAP_COMPLETE(mxc4, mxc_i2c_init, mxc_i2c_probe,
+			 mxc_i2c_read, mxc_i2c_write,
+			 mxc_i2c_set_bus_speed,
+			 CONFIG_SYS_MXC_I2C5_SPEED,
+			 CONFIG_SYS_MXC_I2C5_SLAVE, 4)
+#endif
+
+#ifdef CONFIG_SYS_I2C_MXC_I2C6
+U_BOOT_I2C_ADAP_COMPLETE(mxc5, mxc_i2c_init, mxc_i2c_probe,
+			 mxc_i2c_read, mxc_i2c_write,
+			 mxc_i2c_set_bus_speed,
+			 CONFIG_SYS_MXC_I2C6_SPEED,
+			 CONFIG_SYS_MXC_I2C6_SLAVE, 5)
+#endif
+
+#ifdef CONFIG_SYS_I2C_MXC_I2C7
+U_BOOT_I2C_ADAP_COMPLETE(mxc6, mxc_i2c_init, mxc_i2c_probe,
+			 mxc_i2c_read, mxc_i2c_write,
+			 mxc_i2c_set_bus_speed,
+			 CONFIG_SYS_MXC_I2C7_SPEED,
+			 CONFIG_SYS_MXC_I2C7_SLAVE, 6)
+#endif
+
+#ifdef CONFIG_SYS_I2C_MXC_I2C8
+U_BOOT_I2C_ADAP_COMPLETE(mxc7, mxc_i2c_init, mxc_i2c_probe,
+			 mxc_i2c_read, mxc_i2c_write,
+			 mxc_i2c_set_bus_speed,
+			 CONFIG_SYS_MXC_I2C8_SPEED,
+			 CONFIG_SYS_MXC_I2C8_SLAVE, 7)
+#endif
+
 #else
 
 static int mxc_i2c_set_bus_speed(struct udevice *bus, unsigned int speed)
-- 
1.9.1