15 #include <linux/mfd/syscon/imx6q-iomuxc-gpr.h>
67 	{ .compatible = "fsl,imx1-weim", .data = &imx1_weim_devtype, },
69 	{ .compatible = "fsl,imx27-weim", .data = &imx27_weim_devtype, },
71 	{ .compatible = "fsl,imx50-weim", .data = &imx50_weim_devtype, },
72 	{ .compatible = "fsl,imx6q-weim", .data = &imx50_weim_devtype, },
74 	{ .compatible = "fsl,imx51-weim", .data = &imx51_weim_devtype, },
81 	struct device_node *np = pdev->dev.of_node;  in imx_weim_gpr_setup()
84 	struct regmap *gpr;  in imx_weim_gpr_setup()  local
96 	gpr = syscon_regmap_lookup_by_phandle(np, "fsl,weim-cs-gpr");  in imx_weim_gpr_setup()
97 	if (IS_ERR(gpr)) {  in imx_weim_gpr_setup()
98 		dev_dbg(&pdev->dev, "failed to find weim-cs-gpr\n");  in imx_weim_gpr_setup()
118 			regmap_update_bits(gpr, IOMUXC_GPR1, 0xfff, gprval);  in imx_weim_gpr_setup()
124 	dev_err(&pdev->dev, "Invalid 'ranges' configuration\n");  in imx_weim_gpr_setup()
125 	return -EINVAL;  in imx_weim_gpr_setup()
139 	if (WARN_ON(devtype->cs_regs_count > MAX_CS_REGS_COUNT))  in weim_timing_setup()
140 		return -EINVAL;  in weim_timing_setup()
141 	if (WARN_ON(devtype->cs_count > MAX_CS_COUNT))  in weim_timing_setup()
142 		return -EINVAL;  in weim_timing_setup()
144 	ret = of_property_read_u32_array(np, "fsl,weim-cs-timing",  in weim_timing_setup()
145 					 value, devtype->cs_regs_count);  in weim_timing_setup()
157 		return -EINVAL;  in weim_timing_setup()
165 		if (cs_idx >= devtype->cs_count)  in weim_timing_setup()
166 			return -EINVAL;  in weim_timing_setup()
168 		/* prevent re-configuring a CS that's already been configured */  in weim_timing_setup()
169 		cst = &ts->cs[cs_idx];  in weim_timing_setup()
170 		if (cst->is_applied && memcmp(value, cst->regs,  in weim_timing_setup()
171 					devtype->cs_regs_count * sizeof(u32))) {  in weim_timing_setup()
172 			dev_err(dev, "fsl,weim-cs-timing conflict on %pOF", np);  in weim_timing_setup()
173 			return -EINVAL;  in weim_timing_setup()
177 		for (i = 0; i < devtype->cs_regs_count; i++)  in weim_timing_setup()
179 				base + cs_idx * devtype->cs_stride + i * 4);  in weim_timing_setup()
180 		if (!cst->is_applied) {  in weim_timing_setup()
181 			cst->is_applied = true;  in weim_timing_setup()
182 			memcpy(cst->regs, value,  in weim_timing_setup()
183 				devtype->cs_regs_count * sizeof(u32));  in weim_timing_setup()
193 							   &pdev->dev);  in weim_parse_dt()
194 	const struct imx_weim_devtype *devtype = of_id->data;  in weim_parse_dt()
206 	if (of_property_read_bool(pdev->dev.of_node, "fsl,burst-clk-enable")) {  in weim_parse_dt()
207 		if (devtype->wcr_bcm) {  in weim_parse_dt()
208 			reg = readl(base + devtype->wcr_offset);  in weim_parse_dt()
209 			writel(reg | devtype->wcr_bcm,  in weim_parse_dt()
210 				base + devtype->wcr_offset);  in weim_parse_dt()
212 			dev_err(&pdev->dev, "burst clk mode not supported.\n");  in weim_parse_dt()
213 			return -EINVAL;  in weim_parse_dt()
217 	for_each_available_child_of_node(pdev->dev.of_node, child) {  in weim_parse_dt()
218 		ret = weim_timing_setup(&pdev->dev, child, base, devtype, &ts);  in weim_parse_dt()
220 			dev_warn(&pdev->dev, "%pOF set timing failed.\n",  in weim_parse_dt()
227 		ret = of_platform_default_populate(pdev->dev.of_node,  in weim_parse_dt()
228 						   NULL, &pdev->dev);  in weim_parse_dt()
230 		dev_err(&pdev->dev, "%pOF fail to create devices.\n",  in weim_parse_dt()
231 			pdev->dev.of_node);  in weim_parse_dt()
244 	base = devm_ioremap_resource(&pdev->dev, res);  in weim_probe()
249 	clk = devm_clk_get(&pdev->dev, NULL);  in weim_probe()
262 		dev_info(&pdev->dev, "Driver registered.\n");  in weim_probe()
269 		.name		= "imx-weim",