3 // rcpm.c - Freescale QorIQ RCPM driver
20 struct rcpm {  struct
60 	struct rcpm		*rcpm;  in rcpm_pm_prepare()  local
65 	rcpm = dev_get_drvdata(dev);  in rcpm_pm_prepare()
66 	if (!rcpm)  in rcpm_pm_prepare()
69 	base = rcpm->ippdexpcr_base;  in rcpm_pm_prepare()
80 				"fsl,rcpm-wakeup", value,  in rcpm_pm_prepare()
81 				rcpm->wakeup_cells + 1);  in rcpm_pm_prepare()
87 		 * For DT mode, would handle devices with "fsl,rcpm-wakeup"  in rcpm_pm_prepare()
88 		 * pointing to the current RCPM node.  in rcpm_pm_prepare()
91 		 * RCPM controller existing.  in rcpm_pm_prepare()
97 		/* Property "#fsl,rcpm-wakeup-cells" of rcpm node defines the  in rcpm_pm_prepare()
98 		 * number of IPPDEXPCR register cells, and "fsl,rcpm-wakeup"  in rcpm_pm_prepare()
100 		 * RCPM node, IPPDEXPCR0 setting, IPPDEXPCR1 setting,  in rcpm_pm_prepare()
105 		for (i = 0; i < rcpm->wakeup_cells; i++)  in rcpm_pm_prepare()
112 	for (i = 0; i < rcpm->wakeup_cells; i++) {  in rcpm_pm_prepare()
120 		if (rcpm->little_endian) {  in rcpm_pm_prepare()
136 			if (of_device_is_compatible(np, "fsl,ls1021a-rcpm"))  in rcpm_pm_prepare()
150 	struct rcpm	*rcpm;  in rcpm_probe()  local
153 	rcpm = devm_kzalloc(dev, sizeof(*rcpm), GFP_KERNEL);  in rcpm_probe()
154 	if (!rcpm)  in rcpm_probe()
157 	rcpm->ippdexpcr_base = devm_platform_ioremap_resource(pdev, 0);  in rcpm_probe()
158 	if (IS_ERR(rcpm->ippdexpcr_base)) {  in rcpm_probe()
159 		ret =  PTR_ERR(rcpm->ippdexpcr_base);  in rcpm_probe()
163 	rcpm->little_endian = device_property_read_bool(  in rcpm_probe()
167 			"#fsl,rcpm-wakeup-cells", &rcpm->wakeup_cells);  in rcpm_probe()
171 	dev_set_drvdata(&pdev->dev, rcpm);  in rcpm_probe()
177 	{ .compatible = "fsl,qoriq-rcpm-2.1+", },
192 		.name = "rcpm",