1 // SPDX-License-Identifier: GPL-2.0+
3  * Copyright (C) 2019-2020 Linaro Limited
6 #include <clk-uclass.h>
12 static int scmi_clk_gate(struct clk *clk, int enable)  in scmi_clk_gate()  argument
15 		.clock_id = clk->id,  in scmi_clk_gate()
18 	struct scmi_clk_state_out out;  in scmi_clk_gate()  local
21 					  in, out);  in scmi_clk_gate()
24 	ret = devm_scmi_process_msg(clk->dev->parent, &msg);  in scmi_clk_gate()
28 	return scmi_to_linux_errno(out.status);  in scmi_clk_gate()
31 static int scmi_clk_enable(struct clk *clk)  in scmi_clk_enable()  argument
33 	return scmi_clk_gate(clk, 1);  in scmi_clk_enable()
36 static int scmi_clk_disable(struct clk *clk)  in scmi_clk_disable()  argument
38 	return scmi_clk_gate(clk, 0);  in scmi_clk_disable()
41 static ulong scmi_clk_get_rate(struct clk *clk)  in scmi_clk_get_rate()  argument
44 		.clock_id = clk->id,  in scmi_clk_get_rate()
46 	struct scmi_clk_rate_get_out out;  in scmi_clk_get_rate()  local
49 					  in, out);  in scmi_clk_get_rate()
52 	ret = devm_scmi_process_msg(clk->dev->parent, &msg);  in scmi_clk_get_rate()
56 	ret = scmi_to_linux_errno(out.status);  in scmi_clk_get_rate()
60 	return (ulong)(((u64)out.rate_msb << 32) | out.rate_lsb);  in scmi_clk_get_rate()
63 static ulong scmi_clk_set_rate(struct clk *clk, ulong rate)  in scmi_clk_set_rate()  argument
66 		.clock_id = clk->id,  in scmi_clk_set_rate()
71 	struct scmi_clk_rate_set_out out;  in scmi_clk_set_rate()  local
74 					  in, out);  in scmi_clk_set_rate()
77 	ret = devm_scmi_process_msg(clk->dev->parent, &msg);  in scmi_clk_set_rate()
81 	ret = scmi_to_linux_errno(out.status);  in scmi_clk_set_rate()
85 	return scmi_clk_get_rate(clk);  in scmi_clk_set_rate()