diff options
Diffstat (limited to 'drivers/gpio/gpio-mcp23s08.c')
| -rw-r--r-- | drivers/gpio/gpio-mcp23s08.c | 52 |
1 files changed, 39 insertions, 13 deletions
diff --git a/drivers/gpio/gpio-mcp23s08.c b/drivers/gpio/gpio-mcp23s08.c index 6a4470b84488..2deb0c5e54a4 100644 --- a/drivers/gpio/gpio-mcp23s08.c +++ b/drivers/gpio/gpio-mcp23s08.c @@ -483,10 +483,21 @@ fail: #ifdef CONFIG_SPI_MASTER static struct of_device_id mcp23s08_spi_of_match[] = { { - .compatible = "mcp,mcp23s08", .data = (void *) MCP_TYPE_S08, + .compatible = "microchip,mcp23s08", + .data = (void *) MCP_TYPE_S08, }, { - .compatible = "mcp,mcp23s17", .data = (void *) MCP_TYPE_S17, + .compatible = "microchip,mcp23s17", + .data = (void *) MCP_TYPE_S17, + }, +/* NOTE: The use of the mcp prefix is deprecated and will be removed. */ + { + .compatible = "mcp,mcp23s08", + .data = (void *) MCP_TYPE_S08, + }, + { + .compatible = "mcp,mcp23s17", + .data = (void *) MCP_TYPE_S17, }, { }, }; @@ -496,10 +507,21 @@ MODULE_DEVICE_TABLE(of, mcp23s08_spi_of_match); #if IS_ENABLED(CONFIG_I2C) static struct of_device_id mcp23s08_i2c_of_match[] = { { - .compatible = "mcp,mcp23008", .data = (void *) MCP_TYPE_008, + .compatible = "microchip,mcp23008", + .data = (void *) MCP_TYPE_008, + }, + { + .compatible = "microchip,mcp23017", + .data = (void *) MCP_TYPE_017, + }, +/* NOTE: The use of the mcp prefix is deprecated and will be removed. */ + { + .compatible = "mcp,mcp23008", + .data = (void *) MCP_TYPE_008, }, { - .compatible = "mcp,mcp23017", .data = (void *) MCP_TYPE_017, + .compatible = "mcp,mcp23017", + .data = (void *) MCP_TYPE_017, }, { }, }; @@ -520,14 +542,13 @@ static int mcp230xx_probe(struct i2c_client *client, match = of_match_device(of_match_ptr(mcp23s08_i2c_of_match), &client->dev); - if (match) { + pdata = dev_get_platdata(&client->dev); + if (match || !pdata) { base = -1; pullups = 0; } else { - pdata = client->dev.platform_data; - if (!pdata || !gpio_is_valid(pdata->base)) { - dev_dbg(&client->dev, - "invalid or missing platform data\n"); + if (!gpio_is_valid(pdata->base)) { + dev_dbg(&client->dev, "invalid platform data\n"); return -EINVAL; } base = pdata->base; @@ -621,10 +642,15 @@ static int mcp23s08_probe(struct spi_device *spi) if (match) { type = (int)match->data; status = of_property_read_u32(spi->dev.of_node, - "mcp,spi-present-mask", &spi_present_mask); + "microchip,spi-present-mask", &spi_present_mask); if (status) { - dev_err(&spi->dev, "DT has no spi-present-mask\n"); - return -ENODEV; + status = of_property_read_u32(spi->dev.of_node, + "mcp,spi-present-mask", &spi_present_mask); + if (status) { + dev_err(&spi->dev, + "DT has no spi-present-mask\n"); + return -ENODEV; + } } if ((spi_present_mask <= 0) || (spi_present_mask >= 256)) { dev_err(&spi->dev, "invalid spi-present-mask\n"); @@ -635,7 +661,7 @@ static int mcp23s08_probe(struct spi_device *spi) pullups[addr] = 0; } else { type = spi_get_device_id(spi)->driver_data; - pdata = spi->dev.platform_data; + pdata = dev_get_platdata(&spi->dev); if (!pdata || !gpio_is_valid(pdata->base)) { dev_dbg(&spi->dev, "invalid or missing platform data\n"); |