mirror of https://gitee.com/openkylin/linux.git
i2c: versatile: Add Device Tree support
This patch adds Device Tree binding ("arm,versatile-i2c") and basic support (bus population) to versatile-i2c driver. Signed-off-by: Pawel Moll <pawel.moll@arm.com> [wsa: constified match-table] Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
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@ -16,6 +16,7 @@
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#include <linux/platform_device.h>
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#include <linux/slab.h>
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#include <linux/io.h>
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#include <linux/of_i2c.h>
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#define I2C_CONTROL 0x00
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#define I2C_CONTROLS 0x00
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@ -99,6 +100,7 @@ static int i2c_versatile_probe(struct platform_device *dev)
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strlcpy(i2c->adap.name, "Versatile I2C adapter", sizeof(i2c->adap.name));
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i2c->adap.algo_data = &i2c->algo;
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i2c->adap.dev.parent = &dev->dev;
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i2c->adap.dev.of_node = dev->dev.of_node;
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i2c->algo = i2c_versatile_algo;
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i2c->algo.data = i2c;
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@ -111,6 +113,7 @@ static int i2c_versatile_probe(struct platform_device *dev)
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ret = i2c_bit_add_bus(&i2c->adap);
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if (ret >= 0) {
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platform_set_drvdata(dev, i2c);
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of_i2c_register_devices(&i2c->adap);
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return 0;
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}
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@ -133,12 +136,19 @@ static int i2c_versatile_remove(struct platform_device *dev)
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return 0;
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}
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static const struct of_device_id i2c_versatile_match[] = {
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{ .compatible = "arm,versatile-i2c", },
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{},
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};
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MODULE_DEVICE_TABLE(of, i2c_versatile_match);
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static struct platform_driver i2c_versatile_driver = {
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.probe = i2c_versatile_probe,
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.remove = i2c_versatile_remove,
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.driver = {
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.name = "versatile-i2c",
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.owner = THIS_MODULE,
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.of_match_table = i2c_versatile_match,
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},
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};
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