static int vexpress_osc_probe(struct platform_device *pdev) { struct clk_init_data init; struct vexpress_osc *osc; struct clk *clk; u32 range[2]; osc = devm_kzalloc(&pdev->dev, sizeof(*osc), GFP_KERNEL); if (!osc) return -ENOMEM; osc->reg = devm_regmap_init_vexpress_config(&pdev->dev); if (IS_ERR(osc->reg)) return PTR_ERR(osc->reg); if (of_property_read_u32_array(pdev->dev.of_node, "freq-range", range, ARRAY_SIZE(range)) == 0) { osc->rate_min = range[0]; osc->rate_max = range[1]; } if (of_property_read_string(pdev->dev.of_node, "clock-output-names", &init.name) != 0) init.name = dev_name(&pdev->dev); init.ops = &vexpress_osc_ops; init.flags = 0; init.num_parents = 0; osc->hw.init = &init; clk = clk_register(NULL, &osc->hw); if (IS_ERR(clk)) return PTR_ERR(clk); of_clk_add_provider(pdev->dev.of_node, of_clk_src_simple_get, clk); clk_hw_set_rate_range(&osc->hw, osc->rate_min, osc->rate_max); dev_dbg(&pdev->dev, "Registered clock '%s'\n", init.name); return 0; }
static int vexpress_reset_probe(struct platform_device *pdev) { enum vexpress_reset_func func; const struct of_device_id *match = of_match_device(vexpress_reset_of_match, &pdev->dev); struct regmap *regmap; if (match) func = (enum vexpress_reset_func)match->data; else func = pdev->id_entry->driver_data; regmap = devm_regmap_init_vexpress_config(&pdev->dev); if (IS_ERR(regmap)) return PTR_ERR(regmap); dev_set_drvdata(&pdev->dev, regmap); switch (func) { case FUNC_SHUTDOWN: vexpress_power_off_device = &pdev->dev; pm_power_off = vexpress_power_off; break; case FUNC_RESET: if (!vexpress_restart_device) vexpress_restart_device = &pdev->dev; arm_pm_restart = vexpress_restart; device_create_file(&pdev->dev, &dev_attr_active); break; case FUNC_REBOOT: vexpress_restart_device = &pdev->dev; arm_pm_restart = vexpress_restart; device_create_file(&pdev->dev, &dev_attr_active); break; }; return 0; }