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>
35 	struct iim_priv *iim = context;  in imx_iim_read()  local
39 	ret = clk_prepare_enable(iim->clk);  in imx_iim_read()
47 		*buf8++ = readl(iim->base + IIM_BANK_BASE(bank) + reg * 4);  in imx_iim_read()
50 	clk_disable_unprepare(iim->clk);  in imx_iim_read()
73 		.compatible = "fsl,imx25-iim",
76 		.compatible = "fsl,imx27-iim",
79 		.compatible = "fsl,imx31-iim",
82 		.compatible = "fsl,imx35-iim",
85 		.compatible = "fsl,imx51-iim",
88 		.compatible = "fsl,imx53-iim",
98 	struct device *dev = &pdev->dev;  in imx_iim_probe()
99 	struct iim_priv *iim;  in imx_iim_probe()  local
104 	iim = devm_kzalloc(dev, sizeof(*iim), GFP_KERNEL);  in imx_iim_probe()
105 	if (!iim)  in imx_iim_probe()
106 		return -ENOMEM;  in imx_iim_probe()
108 	iim->base = devm_platform_ioremap_resource(pdev, 0);  in imx_iim_probe()
109 	if (IS_ERR(iim->base))  in imx_iim_probe()
110 		return PTR_ERR(iim->base);  in imx_iim_probe()
112 	drvdata = of_device_get_match_data(&pdev->dev);  in imx_iim_probe()
114 	iim->clk = devm_clk_get(dev, NULL);  in imx_iim_probe()
115 	if (IS_ERR(iim->clk))  in imx_iim_probe()
116 		return PTR_ERR(iim->clk);  in imx_iim_probe()
118 	cfg.name = "imx-iim",  in imx_iim_probe()
124 	cfg.size = drvdata->nregs;  in imx_iim_probe()
125 	cfg.priv = iim;  in imx_iim_probe()
135 		.name	= "imx-iim",
142 MODULE_DESCRIPTION("i.MX IIM driver");