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;
}
