From 11330a9fef049db195f50300627dd972e19e0f8e Mon Sep 17 00:00:00 2001 From: Chuanhua Han Date: Fri, 6 Sep 2019 15:53:19 +0800 Subject: i2c: imx: ACPI support for NXP i2c controller Enable NXP i2c controller to boot with ACPI. Signed-off-by: Meenakshi Aggarwal Signed-off-by: Udit Kumar Signed-off-by: Chuanhua Han Signed-off-by: Biwen Li Reviewed-by: Andy Shevchenko Acked-by: Oleksij Rempel Tested-by: Oleksij Rempel Acked-by: Rafael J. Wysocki Signed-off-by: Wolfram Sang --- drivers/i2c/busses/i2c-imx.c | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) (limited to 'drivers/i2c/busses') diff --git a/drivers/i2c/busses/i2c-imx.c b/drivers/i2c/busses/i2c-imx.c index b1b8b938d7f4..40692fc70d92 100644 --- a/drivers/i2c/busses/i2c-imx.c +++ b/drivers/i2c/busses/i2c-imx.c @@ -20,6 +20,7 @@ * */ +#include #include #include #include @@ -255,6 +256,12 @@ static const struct of_device_id i2c_imx_dt_ids[] = { }; MODULE_DEVICE_TABLE(of, i2c_imx_dt_ids); +static const struct acpi_device_id i2c_imx_acpi_ids[] = { + {"NXP0001", .driver_data = (kernel_ulong_t)&vf610_i2c_hwdata}, + { } +}; +MODULE_DEVICE_TABLE(acpi, i2c_imx_acpi_ids); + static inline int is_imx1_i2c(struct imx_i2c_struct *i2c_imx) { return i2c_imx->hwdata->devtype == IMX1_I2C; @@ -1050,14 +1057,13 @@ static const struct i2c_algorithm i2c_imx_algo = { static int i2c_imx_probe(struct platform_device *pdev) { - const struct of_device_id *of_id = of_match_device(i2c_imx_dt_ids, - &pdev->dev); struct imx_i2c_struct *i2c_imx; struct resource *res; struct imxi2c_platform_data *pdata = dev_get_platdata(&pdev->dev); void __iomem *base; int irq, ret; dma_addr_t phy_addr; + const struct imx_i2c_hwdata *match; dev_dbg(&pdev->dev, "<%s>\n", __func__); @@ -1077,8 +1083,9 @@ static int i2c_imx_probe(struct platform_device *pdev) if (!i2c_imx) return -ENOMEM; - if (of_id) - i2c_imx->hwdata = of_id->data; + match = device_get_match_data(&pdev->dev); + if (match) + i2c_imx->hwdata = match; else i2c_imx->hwdata = (struct imx_i2c_hwdata *) platform_get_device_id(pdev)->driver_data; @@ -1091,6 +1098,7 @@ static int i2c_imx_probe(struct platform_device *pdev) i2c_imx->adapter.nr = pdev->id; i2c_imx->adapter.dev.of_node = pdev->dev.of_node; i2c_imx->base = base; + ACPI_COMPANION_SET(&i2c_imx->adapter.dev, ACPI_COMPANION(&pdev->dev)); /* Get I2C clock */ i2c_imx->clk = devm_clk_get(&pdev->dev, NULL); @@ -1253,6 +1261,7 @@ static struct platform_driver i2c_imx_driver = { .name = DRIVER_NAME, .pm = &i2c_imx_pm_ops, .of_match_table = i2c_imx_dt_ids, + .acpi_match_table = i2c_imx_acpi_ids, }, .id_table = imx_i2c_devtype, }; -- cgit v1.2.3-58-ga151