1 // SPDX-License-Identifier: GPL-2.0-only
12 #include <linux/clk-provider.h>
15 #include <linux/platform_data/clk-fch.h>
23  * struct apd_device_desc - a descriptor for apd device
24  * @fixed_clk_rate: fixed rate input clock source for acpi device;
25  *			0 means no fixed rate input clock source
26  * @properties: build-in properties of the device such as UART
38 	struct clk *clk;  member
48 	const struct apd_device_desc *dev_desc = pdata->dev_desc;  in acpi_apd_setup()
49 	struct clk *clk;  in acpi_apd_setup()  local
51 	if (dev_desc->fixed_clk_rate) {  in acpi_apd_setup()
52 		clk = clk_register_fixed_rate(&pdata->adev->dev,  in acpi_apd_setup()
53 					dev_name(&pdata->adev->dev),  in acpi_apd_setup()
54 					NULL, 0, dev_desc->fixed_clk_rate);  in acpi_apd_setup()
55 		clk_register_clkdev(clk, NULL, dev_name(&pdata->adev->dev));  in acpi_apd_setup()
56 		pdata->clk = clk;  in acpi_apd_setup()
72 	struct acpi_device *adev = pdata->adev;  in fch_misc_setup()
80 	clk_data = devm_kzalloc(&adev->dev, sizeof(*clk_data), GFP_KERNEL);  in fch_misc_setup()
82 		return -ENOMEM;  in fch_misc_setup()
88 		return -ENOENT;  in fch_misc_setup()
90 	if (!acpi_dev_get_property(adev, "is-rv", ACPI_TYPE_INTEGER, &obj))  in fch_misc_setup()
91 		clk_data->is_rv = obj->integer.value;  in fch_misc_setup()
94 		clk_data->base = devm_ioremap(&adev->dev, rentry->res->start,  in fch_misc_setup()
95 					      resource_size(rentry->res));  in fch_misc_setup()
101 	clkdev = platform_device_register_data(&adev->dev, "clk-fch",  in fch_misc_setup()
118 	PROPERTY_ENTRY_U32("reg-io-width", 4),
119 	PROPERTY_ENTRY_U32("reg-shift", 2),
120 	PROPERTY_ENTRY_BOOL("snps,uart-16550-compatible"),
186 	const struct apd_device_desc *dev_desc = (void *)id->driver_data;  in acpi_apd_create_device()
198 		return -ENOMEM;  in acpi_apd_create_device()
200 	pdata->adev = adev;  in acpi_apd_create_device()
201 	pdata->dev_desc = dev_desc;  in acpi_apd_create_device()
203 	if (dev_desc->setup) {  in acpi_apd_create_device()
204 		ret = dev_desc->setup(pdata);  in acpi_apd_create_device()
209 	adev->driver_data = pdata;  in acpi_apd_create_device()
210 	pdev = acpi_create_platform_device(adev, dev_desc->properties);  in acpi_apd_create_device()
215 	adev->driver_data = NULL;  in acpi_apd_create_device()