clk/starfive/clk-starfive-jh7100-audio.c

1 // SPDX-License-Identifier: GPL-2.0
3  * StarFive JH7100 Audio Clock Driver
9 #include <linux/clk-provider.h>
16 #include <dt-bindings/clock/starfive-jh7100-audio.h>
18 #include "clk-starfive-jh71x0.h"
90 	unsigned int idx = clkspec->args[0];  in jh7100_audclk_get()
93 		return &priv->reg[idx].hw;  in jh7100_audclk_get()
95 	return ERR_PTR(-EINVAL);  in jh7100_audclk_get()
104 	priv = devm_kzalloc(&pdev->dev, struct_size(priv, reg, JH7100_AUDCLK_END), GFP_KERNEL);  in jh7100_audclk_probe()
106 		return -ENOMEM;  in jh7100_audclk_probe()
108 	spin_lock_init(&priv->rmw_lock);  in jh7100_audclk_probe()
109 	priv->dev = &pdev->dev;  in jh7100_audclk_probe()
110 	priv->base = devm_platform_ioremap_resource(pdev, 0);  in jh7100_audclk_probe()
111 	if (IS_ERR(priv->base))  in jh7100_audclk_probe()
112 		return PTR_ERR(priv->base);  in jh7100_audclk_probe()
124 		struct jh71x0_clk *clk = &priv->reg[idx];  in jh7100_audclk_probe()
131 				parents[i].hw = &priv->reg[pidx].hw;  in jh7100_audclk_probe()
140 		clk->hw.init = &init;  in jh7100_audclk_probe()
141 		clk->idx = idx;  in jh7100_audclk_probe()
142 		clk->max_div = max & JH71X0_CLK_DIV_MASK;  in jh7100_audclk_probe()
144 		ret = devm_clk_hw_register(priv->dev, &clk->hw);  in jh7100_audclk_probe()
149 	return devm_of_clk_add_hw_provider(priv->dev, jh7100_audclk_get, priv);  in jh7100_audclk_probe()
153 	{ .compatible = "starfive,jh7100-audclk" },
161 		.name = "clk-starfive-jh7100-audio",
168 MODULE_DESCRIPTION("StarFive JH7100 audio clock driver");