clk/imx/clk-gate-exclusive.c

1 // SPDX-License-Identifier: GPL-2.0-only
6 #include <linux/clk-provider.h>
13  * struct clk_gate_exclusive - i.MX specific gate clock which is mutually
14  * exclusive with other gate clocks
17  * @exclusive_mask: mask of gate bits which are mutually exclusive to this
20  * The imx exclusive gate clock is a subclass of basic clk_gate
22  * register is mutually exclusive to this gate clock.
34 	u32 val = readl(gate->reg);  in clk_gate_exclusive_enable()
36 	if (val & exgate->exclusive_mask)  in clk_gate_exclusive_enable()
37 		return -EBUSY;  in clk_gate_exclusive_enable()
68 		return ERR_PTR(-EINVAL);  in imx_clk_hw_gate_exclusive()
72 		return ERR_PTR(-ENOMEM);  in imx_clk_hw_gate_exclusive()
73 	gate = &exgate->gate;  in imx_clk_hw_gate_exclusive()
81 	gate->reg = reg;  in imx_clk_hw_gate_exclusive()
82 	gate->bit_idx = shift;  in imx_clk_hw_gate_exclusive()
83 	gate->lock = &imx_ccm_lock;  in imx_clk_hw_gate_exclusive()
84 	gate->hw.init = &init;  in imx_clk_hw_gate_exclusive()
85 	exgate->exclusive_mask = exclusive_mask;  in imx_clk_hw_gate_exclusive()
87 	hw = &gate->hw;  in imx_clk_hw_gate_exclusive()