Add device node for i2c instance 1 and list all its connected slave
devices.
Signed-off-by: Thomas Abraham <thomas.abra...@linaro.org>
---
arch/arm/boot/dts/exynos4-smdkv310.dts | 19 ++++++++++++++++++-
arch/arm/mach-exynos4/Kconfig | 1 +
arch/arm/mach-exynos4/mach-exynos4-dt.c | 9 +++++++++
3 files changed, 28 insertions(+), 1 deletions(-)
diff --git a/arch/arm/boot/dts/exynos4-smdkv310.dts
b/arch/arm/boot/dts/exynos4-smdkv310.dts
index d65c18c..29c40ed 100644
--- a/arch/arm/boot/dts/exynos4-smdkv310.dts
+++ b/arch/arm/boot/dts/exynos4-smdkv310.dts
@@ -23,7 +23,7 @@
};
chosen {
- bootargs = "root=/dev/mmcblk0p1 rootfstype=ext3 rootwait
console=ttySAC1,115200";
+ bootargs = "root=/dev/mmcblk0p1 rootfstype=ext3 rootwait
console=ttySAC1,115200 init=/linuxrc";
};
soc {
@@ -64,5 +64,22 @@
samsung,sdhci-cd-type = <0>;
samsung,sdhci-clkdiv-external;
};
+
+ i2c@13870000 {
+ compatible = "samsung,s3c2440-i2c";
+ reg = <0x13870000 0x100>;
+ interrupts = <345>;
+ samsung,i2c-bus-number = <1>;
+ samsung,i2c-slave-addr = <16>;
+ samsung,i2c-sda-delay = <100>;
+ samsung,i2c-max-bus-freq = <100000>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ wm8994@1a {
+ compatible = "wlf,wm8994";
+ reg = <0x1a>;
+ };
+ };
};
};
diff --git a/arch/arm/mach-exynos4/Kconfig b/arch/arm/mach-exynos4/Kconfig
index bb97b7e..c7fce3e 100644
--- a/arch/arm/mach-exynos4/Kconfig
+++ b/arch/arm/mach-exynos4/Kconfig
@@ -193,6 +193,7 @@ config MACH_EXYNOS4_DT
select S3C_DEV_HSMMC
select S3C_DEV_HSMMC2
select EXYNOS4_SETUP_SDHCI
+ select EXYNOS4_SETUP_I2C1
help
Machine support for Samsung Exynos4 machine with device tree enabled.
diff --git a/arch/arm/mach-exynos4/mach-exynos4-dt.c
b/arch/arm/mach-exynos4/mach-exynos4-dt.c
index 120665a..ef6b4cb 100644
--- a/arch/arm/mach-exynos4/mach-exynos4-dt.c
+++ b/arch/arm/mach-exynos4/mach-exynos4-dt.c
@@ -23,7 +23,10 @@
#include <plat/regs-serial.h>
#include <plat/exynos4.h>
#include <plat/cpu.h>
+#include <plat/devs.h>
#include <plat/sdhci.h>
+#include <plat/iic.h>
+#include <plat/iic-core.h>
#include <mach/map.h>
@@ -62,6 +65,10 @@ static struct s3c2410_uartcfg smdkv310_uartcfgs[] __initdata
= {
},
};
+static struct s3c2410_platform_i2c exynos4_dt_i2c_data1 __initdata = {
+ .cfg_gpio = s3c_i2c1_cfg_gpio,
+};
+
/*
* The following lookup table is used to override device names when devices
* are registered from device tree. Optionally, the platform data can also
@@ -75,6 +82,8 @@ static const struct of_dev_auxdata exynos4_auxdata_lookup[]
__initconst = {
"s3c-sdhci.2", &s3c_hsmmc2_def_platdata),
OF_DEV_AUXDATA("samsung,s3c6410-sdhci", EXYNOS4_PA_HSMMC(0),
"s3c-sdhci.0", &s3c_hsmmc0_def_platdata),
+ OF_DEV_AUXDATA("samsung,s3c2440-i2c", EXYNOS4_PA_IIC(1),
+ "s3c2440-i2c.1", &exynos4_dt_i2c_data1),
{},
};
--
1.7.1
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