1 // SPDX-License-Identifier: GPL-2.0-only
3  * Clkout driver for Rockchip RK808
7  * Author:Chris Zhong <zyw@rock-chips.com>
10 #include <linux/clk-provider.h>
34 	return regmap_update_bits(rk808_clkout->regmap, RK808_CLK32OUT_REG,  in rk808_clkout2_enable()
55 	int ret = regmap_read(rk808_clkout->regmap, RK808_CLK32OUT_REG, &val);  in rk808_clkout2_is_prepared()
78 	unsigned int idx = clkspec->args[0];  in of_clk_rk808_get()
82 		return ERR_PTR(-EINVAL);  in of_clk_rk808_get()
85 	return idx ? &rk808_clkout->clkout2_hw : &rk808_clkout->clkout1_hw;  in of_clk_rk808_get()
94 	return regmap_update_bits(rk808_clkout->regmap, RK817_SYS_CFG(1),  in rk817_clkout2_enable()
116 	int ret = regmap_read(rk808_clkout->regmap, RK817_SYS_CFG(1), &val);  in rk817_clkout2_is_prepared()
150 	struct rk808 *rk808 = dev_get_drvdata(pdev->dev.parent);  in rk808_clkout_probe()
151 	struct device *dev = &pdev->dev;  in rk808_clkout_probe()
156 	dev->of_node = pdev->dev.parent->of_node;  in rk808_clkout_probe()
161 		return -ENOMEM;  in rk808_clkout_probe()
163 	rk808_clkout->regmap = dev_get_regmap(pdev->dev.parent, NULL);  in rk808_clkout_probe()
164 	if (!rk808_clkout->regmap)  in rk808_clkout_probe()
165 		return -ENODEV;  in rk808_clkout_probe()
169 	init.name = "rk808-clkout1";  in rk808_clkout_probe()
171 	rk808_clkout->clkout1_hw.init = &init;  in rk808_clkout_probe()
174 	of_property_read_string_index(dev->of_node, "clock-output-names",  in rk808_clkout_probe()
177 	ret = devm_clk_hw_register(dev, &rk808_clkout->clkout1_hw);  in rk808_clkout_probe()
181 	init.name = "rk808-clkout2";  in rk808_clkout_probe()
182 	init.ops = rkpmic_get_ops(rk808->variant);  in rk808_clkout_probe()
183 	rk808_clkout->clkout2_hw.init = &init;  in rk808_clkout_probe()
186 	of_property_read_string_index(dev->of_node, "clock-output-names",  in rk808_clkout_probe()
189 	ret = devm_clk_hw_register(dev, &rk808_clkout->clkout2_hw);  in rk808_clkout_probe()
193 	return devm_of_clk_add_hw_provider(&pdev->dev, of_clk_rk808_get,  in rk808_clkout_probe()
200 		.name	= "rk808-clkout",
206 MODULE_DESCRIPTION("Clkout driver for the rk808 series PMICs");
207 MODULE_AUTHOR("Chris Zhong <zyw@rock-chips.com>");
209 MODULE_ALIAS("platform:rk808-clkout");