From: Magnus Damm <damm@xxxxxxxxxxxxx>
This patch enables DT support for the IIC driver
used on SH-based SoCs such as sh7722 and sh7724
among others as well as SH-Mobile SoCs such as
sh7367, sh7377, sh7372, sh73a0 and r8a7740.
Tested with out-of-tree DT support code on the
sh7372 Mackerel board.
Signed-off-by: Magnus Damm <damm@xxxxxxxxxxxxx>
---
drivers/i2c/busses/i2c-sh_mobile.c | 11 +++++++++++
1 file changed, 11 insertions(+)
--- 0001/drivers/i2c/busses/i2c-sh_mobile.c
+++ work/drivers/i2c/busses/i2c-sh_mobile.c 2012-03-29 14:39:42.000000000 +0900
@@ -27,6 +27,7 @@
#include <linux/platform_device.h>
#include <linux/interrupt.h>
#include <linux/i2c.h>
+#include <linux/of_i2c.h>
#include <linux/err.h>
#include <linux/pm_runtime.h>
#include <linux/clk.h>
@@ -653,6 +654,7 @@ static int sh_mobile_i2c_probe(struct pl
adap->dev.parent = &dev->dev;
adap->retries = 5;
adap->nr = dev->id;
+ adap->dev.of_node = dev->dev.of_node;
strlcpy(adap->name, dev->name, sizeof(adap->name));
@@ -667,6 +669,8 @@ static int sh_mobile_i2c_probe(struct pl
dev_info(&dev->dev, "I2C adapter %d with bus speed %lu Hz\n",
adap->nr, pd->bus_speed);
+
+ of_i2c_register_devices(adap);
return 0;
err_all:
@@ -710,11 +714,18 @@ static const struct dev_pm_ops sh_mobile
.runtime_resume = sh_mobile_i2c_runtime_nop,
};
+static const struct of_device_id sh_mobile_i2c_dt_ids[] __devinitconst = {
+ { .compatible = "renesas,rmobile-iic", },
+ {},
+};
+MODULE_DEVICE_TABLE(of, sh_mobile_i2c_dt_ids);
+
static struct platform_driver sh_mobile_i2c_driver = {
.driver = {
.name = "i2c-sh_mobile",
.owner = THIS_MODULE,
.pm = &sh_mobile_i2c_dev_pm_ops,
+ .of_match_table = sh_mobile_i2c_dt_ids,
},
.probe = sh_mobile_i2c_probe,
.remove = sh_mobile_i2c_remove,
--
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