i2c: imx: ACPI support for NXP i2c controller
Enable NXP i2c controller to boot with ACPI. Signed-off-by: Meenakshi Aggarwal <meenakshi.aggarwal@nxp.com> Signed-off-by: Udit Kumar <udit.kumar@nxp.com> Signed-off-by: Chuanhua Han <chuanhua.han@nxp.com> Signed-off-by: Biwen Li <biwen.li@nxp.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Acked-by: Oleksij Rempel <o.rempel@pengutronix.de> Tested-by: Oleksij Rempel <o.rempel@pengutronix.de> Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
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@ -160,11 +160,17 @@ static const struct apd_device_desc hip08_i2c_desc = {
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.setup = acpi_apd_setup,
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.fixed_clk_rate = 250000000,
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};
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static const struct apd_device_desc thunderx2_i2c_desc = {
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.setup = acpi_apd_setup,
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.fixed_clk_rate = 125000000,
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};
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static const struct apd_device_desc nxp_i2c_desc = {
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.setup = acpi_apd_setup,
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.fixed_clk_rate = 350000000,
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};
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static const struct apd_device_desc hip08_spi_desc = {
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.setup = acpi_apd_setup,
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.fixed_clk_rate = 250000000,
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@ -238,6 +244,7 @@ static const struct acpi_device_id acpi_apd_device_ids[] = {
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{ "HISI02A1", APD_ADDR(hip07_i2c_desc) },
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{ "HISI02A2", APD_ADDR(hip08_i2c_desc) },
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{ "HISI0173", APD_ADDR(hip08_spi_desc) },
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{ "NXP0001", APD_ADDR(nxp_i2c_desc) },
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#endif
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{ }
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};
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@ -20,6 +20,7 @@
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*
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*/
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#include <linux/acpi.h>
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#include <linux/clk.h>
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#include <linux/completion.h>
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#include <linux/delay.h>
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@ -255,6 +256,12 @@ static const struct of_device_id i2c_imx_dt_ids[] = {
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};
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MODULE_DEVICE_TABLE(of, i2c_imx_dt_ids);
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static const struct acpi_device_id i2c_imx_acpi_ids[] = {
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{"NXP0001", .driver_data = (kernel_ulong_t)&vf610_i2c_hwdata},
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{ }
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};
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MODULE_DEVICE_TABLE(acpi, i2c_imx_acpi_ids);
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static inline int is_imx1_i2c(struct imx_i2c_struct *i2c_imx)
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{
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return i2c_imx->hwdata->devtype == IMX1_I2C;
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@ -1050,14 +1057,13 @@ static const struct i2c_algorithm i2c_imx_algo = {
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static int i2c_imx_probe(struct platform_device *pdev)
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{
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const struct of_device_id *of_id = of_match_device(i2c_imx_dt_ids,
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&pdev->dev);
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struct imx_i2c_struct *i2c_imx;
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struct resource *res;
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struct imxi2c_platform_data *pdata = dev_get_platdata(&pdev->dev);
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void __iomem *base;
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int irq, ret;
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dma_addr_t phy_addr;
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const struct imx_i2c_hwdata *match;
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dev_dbg(&pdev->dev, "<%s>\n", __func__);
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@ -1077,8 +1083,9 @@ static int i2c_imx_probe(struct platform_device *pdev)
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if (!i2c_imx)
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return -ENOMEM;
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if (of_id)
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i2c_imx->hwdata = of_id->data;
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match = device_get_match_data(&pdev->dev);
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if (match)
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i2c_imx->hwdata = match;
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else
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i2c_imx->hwdata = (struct imx_i2c_hwdata *)
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platform_get_device_id(pdev)->driver_data;
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@ -1091,6 +1098,7 @@ static int i2c_imx_probe(struct platform_device *pdev)
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i2c_imx->adapter.nr = pdev->id;
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i2c_imx->adapter.dev.of_node = pdev->dev.of_node;
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i2c_imx->base = base;
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ACPI_COMPANION_SET(&i2c_imx->adapter.dev, ACPI_COMPANION(&pdev->dev));
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/* Get I2C clock */
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i2c_imx->clk = devm_clk_get(&pdev->dev, NULL);
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@ -1253,6 +1261,7 @@ static struct platform_driver i2c_imx_driver = {
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.name = DRIVER_NAME,
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.pm = &i2c_imx_pm_ops,
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.of_match_table = i2c_imx_dt_ids,
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.acpi_match_table = i2c_imx_acpi_ids,
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},
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.id_table = imx_i2c_devtype,
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};
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