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>
14 #include <linux/mfd/rk808.h>
18 	struct rk808 *rk808;  member
34 	struct rk808 *rk808 = rk808_clkout->rk808;  in rk808_clkout2_enable()  local
36 	return regmap_update_bits(rk808->regmap, RK808_CLK32OUT_REG,  in rk808_clkout2_enable()
55 	struct rk808 *rk808 = rk808_clkout->rk808;  in rk808_clkout2_is_prepared()  local
58 	int ret = regmap_read(rk808->regmap, RK808_CLK32OUT_REG, &val);  in rk808_clkout2_is_prepared()
81 	unsigned int idx = clkspec->args[0];  in of_clk_rk808_get()
85 		return ERR_PTR(-EINVAL);  in of_clk_rk808_get()
88 	return idx ? &rk808_clkout->clkout2_hw : &rk808_clkout->clkout1_hw;  in of_clk_rk808_get()
96 	struct rk808 *rk808 = rk808_clkout->rk808;  in rk817_clkout2_enable()  local
98 	return regmap_update_bits(rk808->regmap, RK817_SYS_CFG(1),  in rk817_clkout2_enable()
118 	struct rk808 *rk808 = rk808_clkout->rk808;  in rk817_clkout2_is_prepared()  local
121 	int ret = regmap_read(rk808->regmap, RK817_SYS_CFG(1), &val);  in rk817_clkout2_is_prepared()
155 	struct rk808 *rk808 = dev_get_drvdata(pdev->dev.parent);  in rk808_clkout_probe()  local
156 	struct i2c_client *client = rk808->i2c;  in rk808_clkout_probe()
157 	struct device_node *node = client->dev.of_node;  in rk808_clkout_probe()
162 	rk808_clkout = devm_kzalloc(&client->dev,  in rk808_clkout_probe()
165 		return -ENOMEM;  in rk808_clkout_probe()
167 	rk808_clkout->rk808 = rk808;  in rk808_clkout_probe()
171 	init.name = "rk808-clkout1";  in rk808_clkout_probe()
173 	rk808_clkout->clkout1_hw.init = &init;  in rk808_clkout_probe()
176 	of_property_read_string_index(node, "clock-output-names",  in rk808_clkout_probe()
179 	ret = devm_clk_hw_register(&client->dev, &rk808_clkout->clkout1_hw);  in rk808_clkout_probe()
183 	init.name = "rk808-clkout2";  in rk808_clkout_probe()
184 	init.ops = rkpmic_get_ops(rk808->variant);  in rk808_clkout_probe()
185 	rk808_clkout->clkout2_hw.init = &init;  in rk808_clkout_probe()
188 	of_property_read_string_index(node, "clock-output-names",  in rk808_clkout_probe()
191 	ret = devm_clk_hw_register(&client->dev, &rk808_clkout->clkout2_hw);  in rk808_clkout_probe()
195 	return devm_of_clk_add_hw_provider(&pdev->dev, of_clk_rk808_get,  in rk808_clkout_probe()
202 		.name	= "rk808-clkout",
208 MODULE_DESCRIPTION("Clkout driver for the rk808 series PMICs");
209 MODULE_AUTHOR("Chris Zhong <zyw@rock-chips.com>");
211 MODULE_ALIAS("platform:rk808-clkout");