Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3)  * Copyright (c) 2019 BayLibre, SAS.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4)  * Author: Jerome Brunet <jbrunet@baylibre.com>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <linux/clk-provider.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) #include <linux/of_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) #include <linux/platform_device.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) #include <linux/mfd/syscon.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include <linux/regmap.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) #include <linux/module.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) #include "clk-regmap.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) #include "meson-eeclk.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) int meson_eeclkc_probe(struct platform_device *pdev)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 	const struct meson_eeclkc_data *data;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 	struct device *dev = &pdev->dev;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	struct regmap *map;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	int ret, i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	data = of_device_get_match_data(dev);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	if (!data)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 		return -EINVAL;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	/* Get the hhi system controller node */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	map = syscon_node_to_regmap(of_get_parent(dev->of_node));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	if (IS_ERR(map)) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 		dev_err(dev,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 			"failed to get HHI regmap\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 		return PTR_ERR(map);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 	if (data->init_count)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 		regmap_multi_reg_write(map, data->init_regs, data->init_count);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 	/* Populate regmap for the regmap backed clocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	for (i = 0; i < data->regmap_clk_num; i++)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 		data->regmap_clks[i]->map = map;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	for (i = 0; i < data->hw_onecell_data->num; i++) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 		/* array might be sparse */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 		if (!data->hw_onecell_data->hws[i])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 			continue;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 		ret = devm_clk_hw_register(dev, data->hw_onecell_data->hws[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 		if (ret) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 			dev_err(dev, "Clock registration failed\n");
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 			return ret;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 		}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 	return devm_of_clk_add_hw_provider(dev, of_clk_hw_onecell_get,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 					   data->hw_onecell_data);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) EXPORT_SYMBOL_GPL(meson_eeclkc_probe);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) MODULE_LICENSE("GPL v2");