1 // SPDX-License-Identifier: GPL-2.0-only
3  * i.MX IIM driver
7  * Based on the barebox iim driver,
15 #include <linux/nvmem-provider.h>
36 	struct iim_priv *iim = context;  in imx_iim_read()  local
40 	ret = clk_prepare_enable(iim->clk);  in imx_iim_read()
48 		*buf8++ = readl(iim->base + IIM_BANK_BASE(bank) + reg * 4);  in imx_iim_read()
51 	clk_disable_unprepare(iim->clk);  in imx_iim_read()
74 		.compatible = "fsl,imx25-iim",
77 		.compatible = "fsl,imx27-iim",
80 		.compatible = "fsl,imx31-iim",
83 		.compatible = "fsl,imx35-iim",
86 		.compatible = "fsl,imx51-iim",
89 		.compatible = "fsl,imx53-iim",
100 	struct device *dev = &pdev->dev;  in imx_iim_probe()
101 	struct iim_priv *iim;  in imx_iim_probe()  local
106 	iim = devm_kzalloc(dev, sizeof(*iim), GFP_KERNEL);  in imx_iim_probe()
107 	if (!iim)  in imx_iim_probe()
108 		return -ENOMEM;  in imx_iim_probe()
110 	iim->base = devm_platform_ioremap_resource(pdev, 0);  in imx_iim_probe()
111 	if (IS_ERR(iim->base))  in imx_iim_probe()
112 		return PTR_ERR(iim->base);  in imx_iim_probe()
116 		return -ENODEV;  in imx_iim_probe()
118 	drvdata = of_id->data;  in imx_iim_probe()
120 	iim->clk = devm_clk_get(dev, NULL);  in imx_iim_probe()
121 	if (IS_ERR(iim->clk))  in imx_iim_probe()
122 		return PTR_ERR(iim->clk);  in imx_iim_probe()
124 	cfg.name = "imx-iim",  in imx_iim_probe()
130 	cfg.size = drvdata->nregs;  in imx_iim_probe()
131 	cfg.priv = iim;  in imx_iim_probe()
141 		.name	= "imx-iim",
148 MODULE_DESCRIPTION("i.MX IIM driver");