clk/samsung/clk-s5pv210-audss.c

1 // SPDX-License-Identifier: GPL-2.0-only
10  * Driver for Audio Subsystem Clock Controller of S5PV210-compatible SoCs.
15 #include <linux/clk-provider.h>
21 #include <dt-bindings/clock/s5pv210-audss.h>
74 	reg_base = devm_ioremap_resource(&pdev->dev, res);  in s5pv210_audss_clk_probe()
76 		dev_err(&pdev->dev, "failed to map audss registers\n");  in s5pv210_audss_clk_probe()
80 	clk_data = devm_kzalloc(&pdev->dev,  in s5pv210_audss_clk_probe()
85 		return -ENOMEM;  in s5pv210_audss_clk_probe()
87 	clk_data->num = AUDSS_MAX_CLKS;  in s5pv210_audss_clk_probe()
88 	clk_table = clk_data->hws;  in s5pv210_audss_clk_probe()
90 	hclk = devm_clk_get(&pdev->dev, "hclk");  in s5pv210_audss_clk_probe()
92 		dev_err(&pdev->dev, "failed to get hclk clock\n");  in s5pv210_audss_clk_probe()
96 	pll_in = devm_clk_get(&pdev->dev, "fout_epll");  in s5pv210_audss_clk_probe()
98 		dev_err(&pdev->dev, "failed to get fout_epll clock\n");  in s5pv210_audss_clk_probe()
102 	sclk_audio = devm_clk_get(&pdev->dev, "sclk_audio0");  in s5pv210_audss_clk_probe()
104 		dev_err(&pdev->dev, "failed to get sclk_audio0 clock\n");  in s5pv210_audss_clk_probe()
108 	/* iiscdclk0 is an optional external I2S codec clock */  in s5pv210_audss_clk_probe()
109 	cdclk = devm_clk_get(&pdev->dev, "iiscdclk0");  in s5pv210_audss_clk_probe()
110 	pll_ref = devm_clk_get(&pdev->dev, "xxti");  in s5pv210_audss_clk_probe()
165 	for (i = 0; i < clk_data->num; i++) {  in s5pv210_audss_clk_probe()
167 			dev_err(&pdev->dev, "failed to register clock %d\n", i);  in s5pv210_audss_clk_probe()
173 	ret = of_clk_add_hw_provider(pdev->dev.of_node, of_clk_hw_onecell_get,  in s5pv210_audss_clk_probe()
176 		dev_err(&pdev->dev, "failed to add clock provider\n");  in s5pv210_audss_clk_probe()
187 	for (i = 0; i < clk_data->num; i++) {  in s5pv210_audss_clk_probe()
196 	{ .compatible = "samsung,s5pv210-audss-clock", },
202 		.name = "s5pv210-audss-clk",