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ARM: S5PC210: I2C3 support

RFC PATCH New Kyungmin Park 1 participant 1 message Aug 6, 2010

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RFC PATCH 1/1 ARM: S5PC210: I2C3 support

S5PC210 has total 8 I2C devices. It's not easy to use existing i2c device framework since it's designed for the 3 I2Cs at previous samsung socs.

To support 3/4/5/6/7 I2Cs. I created the dev-i2c{3..7} at mach-s5pv310 directory since it's only valid in this cpu.

---

arch/arm/mach-s5pv310/Kconfig +5 -0
index faa3436..626e079 100644
@@ -25,6 +25,11 @@ config S5PV310_SETUP_I2C2
 	help
 	  Common setup code for i2c bus 2.
 
+config S5PV310_SETUP_I2C3
+	bool
+	help
+	  Common setup code for i2c bus 3.
+
 # machine support
 
 config MACH_SMDKV310
arch/arm/mach-s5pv310/Makefile +1 -0
index de49e98..485af8f 100644
@@ -28,3 +28,4 @@ obj-$(CONFIG_MACH_UNIVERSAL)	+= mach-universal.o
 
 obj-$(CONFIG_S5PV310_SETUP_I2C1)	+= setup-i2c1.o
 obj-$(CONFIG_S5PV310_SETUP_I2C2)	+= setup-i2c2.o
+obj-$(CONFIG_S5PV310_SETUP_I2C3)	+= dev-i2c3.o
arch/arm/mach-s5pv310/dev-i2c3.c new file +64 -0

64 lines not on this page · raw message

arch/arm/mach-s5pv310/include/mach/irqs.h +7 -0
index 56885ca..a718667 100644
@@ -64,6 +64,13 @@
 #define IRQ_UART3		COMBINER_IRQ(26, 3)
 #define IRQ_UART4		COMBINER_IRQ(26, 4)
 
+#define IRQ_I2C7		COMBINER_IRQ(27, 7)
+#define IRQ_I2C6		COMBINER_IRQ(27, 6)
+#define IRQ_I2C5		COMBINER_IRQ(27, 5)
+#define IRQ_I2C4		COMBINER_IRQ(27, 4)
+#define IRQ_I2C3		COMBINER_IRQ(27, 3)
+#define IRQ_IIC2		COMBINER_IRQ(27, 2)
+#define IRQ_IIC1		COMBINER_IRQ(27, 1)
 #define IRQ_IIC			COMBINER_IRQ(27, 0)
 
 /* Set the default NR_IRQS */
arch/arm/mach-s5pv310/include/mach/map.h +11 -2
index 7eb2a7a..0c34a6e 100644
@@ -55,7 +55,16 @@
 
 #define S5P_SZ_UART			SZ_256
 
-#define S5PV310_PA_IIC0			(0x13860000)
+#define S5PV310_PA_I2C			(0x13860000)
+#define S5P_PA_I2C(x)			(S5PV310_PA_I2C + ((x) * 0x10000))
+#define S5PV310_PA_I2C0			S5P_PA_I2C(0)
+#define S5PV310_PA_I2C1			S5P_PA_I2C(1)
+#define S5PV310_PA_I2C2			S5P_PA_I2C(2)
+#define S5PV310_PA_I2C3			S5P_PA_I2C(3)
+#define S5PV310_PA_I2C4			S5P_PA_I2C(4)
+#define S5PV310_PA_I2C5			S5P_PA_I2C(5)
+#define S5PV310_PA_I2C6			S5P_PA_I2C(6)
+#define S5PV310_PA_I2C7			S5P_PA_I2C(7)
 
 #define S5PV310_PA_TIMER		(0x139D0000)
 #define S5P_PA_TIMER			S5PV310_PA_TIMER
@@ -65,7 +74,7 @@
 
 /* compatibiltiy defines. */
 #define S3C_PA_UART			S5PV310_PA_UART
-#define S3C_PA_IIC			S5PV310_PA_IIC0
+#define S3C_PA_IIC			S5PV310_PA_I2C0
 #define S3C_PA_WDT			S5PV310_PA_WATCHDOG
 
 #endif /* __ASM_ARCH_MAP_H */
arch/arm/plat-samsung/include/plat/devs.h +1 -0
index 4c31d32..0b49cce 100644
@@ -46,6 +46,7 @@ extern struct platform_device s3c_device_wdt;
 extern struct platform_device s3c_device_i2c0;
 extern struct platform_device s3c_device_i2c1;
 extern struct platform_device s3c_device_i2c2;
+extern struct platform_device s5p_device_i2c3;
 extern struct platform_device s3c_device_rtc;
 extern struct platform_device s3c_device_adc;
 extern struct platform_device s3c_device_sdi;