From: Tomasz Stanislawski <t.stanislaws@xxxxxxxxxxx>
This patch add support for i2c3 controller for S5PV210 platform (as
HDMIPHY dedicated bus).
Signed-off-by: Tomasz Stanislawski <t.stanislaws@xxxxxxxxxxx>
Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
Signed-off-by: Marek Szyprowski <m.szyprowski@xxxxxxxxxxx>
---
arch/arm/mach-s5pv210/Kconfig | 5 ++++
arch/arm/mach-s5pv210/Makefile | 1 +
arch/arm/mach-s5pv210/clock.c | 6 +++++
arch/arm/mach-s5pv210/cpu.c | 1 +
arch/arm/mach-s5pv210/include/mach/map.h | 2 +
arch/arm/mach-s5pv210/setup-i2c3.c | 26 +++++++++++++++++++++++++
arch/arm/plat-samsung/include/plat/iic-core.h | 7 ++++++
7 files changed, 48 insertions(+), 0 deletions(-)
create mode 100644 arch/arm/mach-s5pv210/setup-i2c3.c
diff --git a/arch/arm/mach-s5pv210/Kconfig b/arch/arm/mach-s5pv210/Kconfig
index a06acce..26b1f8f 100644
--- a/arch/arm/mach-s5pv210/Kconfig
+++ b/arch/arm/mach-s5pv210/Kconfig
@@ -28,6 +28,11 @@ config S5PV210_SETUP_I2C2
help
Common setup code for i2c bus 2.
+config S5PV210_SETUP_I2C3
+ bool
+ help
+ Common setup code for i2c bus 3.
+
config S5PV210_SETUP_IDE
bool
help
diff --git a/arch/arm/mach-s5pv210/Makefile b/arch/arm/mach-s5pv210/Makefile
index 50907ac..3656d64 100644
--- a/arch/arm/mach-s5pv210/Makefile
+++ b/arch/arm/mach-s5pv210/Makefile
@@ -34,6 +34,7 @@ obj-$(CONFIG_S5PV210_SETUP_FB_24BPP) += setup-fb-24bpp.o
obj-$(CONFIG_S5PV210_SETUP_FIMC) += setup-fimc.o
obj-$(CONFIG_S5PV210_SETUP_I2C1) += setup-i2c1.o
obj-$(CONFIG_S5PV210_SETUP_I2C2) += setup-i2c2.o
+obj-$(CONFIG_S5PV210_SETUP_I2C3) += setup-i2c3.o
obj-$(CONFIG_S5PV210_SETUP_IDE) += setup-ide.o
obj-$(CONFIG_S5PV210_SETUP_KEYPAD) += setup-keypad.o
obj-$(CONFIG_S5PV210_SETUP_SDHCI) += setup-sdhci.o
diff --git a/arch/arm/mach-s5pv210/clock.c b/arch/arm/mach-s5pv210/clock.c
index 52a8e60..f41ee26 100644
--- a/arch/arm/mach-s5pv210/clock.c
+++ b/arch/arm/mach-s5pv210/clock.c
@@ -407,6 +407,12 @@ static struct clk init_clocks_off[] = {
.enable = s5pv210_clk_ip3_ctrl,
.ctrlbit = (1<<9),
}, {
+ .name = "i2c",
+ .devname = "s3c2440-hdmiphy-i2c.3",
+ .parent = &clk_pclk_psys.clk,
+ .enable = s5pv210_clk_ip3_ctrl,
+ .ctrlbit = (1 << 11),
+ }, {
.name = "spi",
.devname = "s3c64xx-spi.0",
.parent = &clk_pclk_psys.clk,
diff --git a/arch/arm/mach-s5pv210/cpu.c b/arch/arm/mach-s5pv210/cpu.c
index 61e6c24..2b3fa1d 100644
--- a/arch/arm/mach-s5pv210/cpu.c
+++ b/arch/arm/mach-s5pv210/cpu.c
@@ -138,6 +138,7 @@ void __init s5pv210_map_io(void)
s3c_i2c0_setname("s3c2440-i2c");
s3c_i2c1_setname("s3c2440-i2c");
s3c_i2c2_setname("s3c2440-i2c");
+ s3c_i2c3_setname("s3c2440-hdmiphy-i2c");
s3c_fb_setname("s5pv210-fb");
diff --git a/arch/arm/mach-s5pv210/include/mach/map.h b/arch/arm/mach-s5pv210/include/mach/map.h
index aac343c..bb405b3 100644
--- a/arch/arm/mach-s5pv210/include/mach/map.h
+++ b/arch/arm/mach-s5pv210/include/mach/map.h
@@ -41,6 +41,7 @@
#define S5PV210_PA_IIC0 0xE1800000
#define S5PV210_PA_IIC1 0xFAB00000
#define S5PV210_PA_IIC2 0xE1A00000
+#define S5PV210_PA_IIC3 0xFA900000
#define S5PV210_PA_AC97 0xE2200000
@@ -100,6 +101,7 @@
#define S3C_PA_IIC S5PV210_PA_IIC0
#define S3C_PA_IIC1 S5PV210_PA_IIC1
#define S3C_PA_IIC2 S5PV210_PA_IIC2
+#define S3C_PA_IIC3 S5PV210_PA_IIC3
#define S3C_PA_RTC S5PV210_PA_RTC
#define S3C_PA_USB_HSOTG S5PV210_PA_HSOTG
#define S3C_PA_WDT S5PV210_PA_WATCHDOG
diff --git a/arch/arm/mach-s5pv210/setup-i2c3.c b/arch/arm/mach-s5pv210/setup-i2c3.c
new file mode 100644
index 0000000..e6e291e
--- /dev/null
+++ b/arch/arm/mach-s5pv210/setup-i2c3.c
@@ -0,0 +1,26 @@
+/*
+ * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
+ * http://www.samsung.com/
+ *
+ * I2C3 GPIO configuration.
+ *
+ * based on linux/arch/arm/mach-s5pv210/setup-i2c2.c
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+*/
+
+#include <linux/kernel.h>
+#include <linux/types.h>
+#include <linux/gpio.h>
+
+struct platform_device; /* don't need the contents */
+
+#include <plat/iic.h>
+#include <plat/gpio-cfg.h>
+
+void s3c_i2c3_cfg_gpio(struct platform_device *dev)
+{
+ /* controller is internally connected, nothing to configure */
+}
diff --git a/arch/arm/plat-samsung/include/plat/iic-core.h b/arch/arm/plat-samsung/include/plat/iic-core.h
index 97ecc44..49071ff 100644
--- a/arch/arm/plat-samsung/include/plat/iic-core.h
+++ b/arch/arm/plat-samsung/include/plat/iic-core.h
@@ -39,6 +39,13 @@ static inline void s3c_i2c2_setname(char *name)
#endif
}
+static inline void s3c_i2c3_setname(char *name)
+{
+#ifdef CONFIG_S3C_DEV_I2C3
+ s3c_device_i2c3.name = name;
+#endif
+}
+
static inline void s3c_i2c8_setname(char *name)
{
#ifdef CONFIG_S3C_DEV_I2C8
--
1.7.1.569.g6f426
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