47 static int mxs_ocotp_wait(struct mxs_ocotp *otp)  in mxs_ocotp_wait()  argument
53 		status = readl(otp->base);  in mxs_ocotp_wait()
72 	struct mxs_ocotp *otp = context;  in mxs_ocotp_read()  local
77 	ret = clk_enable(otp->clk);  in mxs_ocotp_read()
81 	writel(BM_OCOTP_CTRL_ERROR, otp->base + STMP_OFFSET_REG_CLR);  in mxs_ocotp_read()
83 	ret = mxs_ocotp_wait(otp);  in mxs_ocotp_read()
88 	writel(BM_OCOTP_CTRL_RD_BANK_OPEN, otp->base + STMP_OFFSET_REG_SET);  in mxs_ocotp_read()
93 	ret = mxs_ocotp_wait(otp);  in mxs_ocotp_read()
102 			*buf = readl(otp->base + offset);  in mxs_ocotp_read()
112 	writel(BM_OCOTP_CTRL_RD_BANK_OPEN, otp->base + STMP_OFFSET_REG_CLR);  in mxs_ocotp_read()
115 	clk_disable(otp->clk);  in mxs_ocotp_read()
178 	struct mxs_ocotp *otp;  in mxs_ocotp_probe()  local
189 	otp = devm_kzalloc(dev, sizeof(*otp), GFP_KERNEL);  in mxs_ocotp_probe()
190 	if (!otp)  in mxs_ocotp_probe()
194 	otp->base = devm_ioremap_resource(dev, res);  in mxs_ocotp_probe()
195 	if (IS_ERR(otp->base))  in mxs_ocotp_probe()
196 		return PTR_ERR(otp->base);  in mxs_ocotp_probe()
198 	otp->clk = devm_clk_get(&pdev->dev, NULL);  in mxs_ocotp_probe()
199 	if (IS_ERR(otp->clk))  in mxs_ocotp_probe()
200 		return PTR_ERR(otp->clk);  in mxs_ocotp_probe()
202 	ret = clk_prepare(otp->clk);  in mxs_ocotp_probe()
212 	regmap = devm_regmap_init(dev, &mxs_ocotp_bus, otp, &mxs_ocotp_config);  in mxs_ocotp_probe()
220 	otp->nvmem = nvmem_register(&ocotp_config);  in mxs_ocotp_probe()
221 	if (IS_ERR(otp->nvmem)) {  in mxs_ocotp_probe()
222 		ret = PTR_ERR(otp->nvmem);  in mxs_ocotp_probe()
226 	platform_set_drvdata(pdev, otp);  in mxs_ocotp_probe()
231 	clk_unprepare(otp->clk);  in mxs_ocotp_probe()
238 	struct mxs_ocotp *otp = platform_get_drvdata(pdev);  in mxs_ocotp_remove()  local
240 	clk_unprepare(otp->clk);  in mxs_ocotp_remove()
242 	return nvmem_unregister(otp->nvmem);  in mxs_ocotp_remove()