power: supply: ds2760_battery: add devicetree probing (efdafd68) · Commits · 戴 / test

drivers/power/supply/ds2760_battery.c

+28 −1

Original line number	Diff line number	Diff line
		@@ -29,6 +29,7 @@
		#include <linux/power_supply.h>
		#include <linux/suspend.h>
		#include <linux/w1.h>
		#include <linux/of.h>

		static unsigned int cache_time = 1000;
		module_param(cache_time, uint, 0644);
		@@ -705,6 +706,24 @@ static int w1_ds2760_add_slave(struct w1_slave *sl)

		psy_cfg.drv_data = di;

		if (dev->of_node) {
		u32 tmp;

		psy_cfg.of_node = dev->of_node;

		if (!of_property_read_bool(dev->of_node, "maxim,pmod-enabled"))
		pmod_enabled = true;

		if (!of_property_read_u32(dev->of_node,
		"maxim,cache-time-ms", &tmp))
		cache_time = tmp;

		if (!of_property_read_u32(dev->of_node,
		"rated-capacity-microamp-hours",
		&tmp))
		rated_capacity = tmp / 10; /* property is in mAh */
		}

		di->charge_status = POWER_SUPPLY_STATUS_UNKNOWN;

		sl->family_data = di;
		@@ -719,7 +738,7 @@ static int w1_ds2760_add_slave(struct w1_slave *sl)

		ds2760_battery_write_status(di, status);

		/* set rated capacity from module param */
		/* set rated capacity from module param or device tree */
		if (rated_capacity)
		ds2760_battery_write_rated_capacity(di, rated_capacity);

		@@ -769,6 +788,13 @@ static void w1_ds2760_remove_slave(struct w1_slave *sl)
		power_supply_unregister(di->bat);
		}

		#ifdef CONFIG_OF
		static const struct of_device_id w1_ds2760_of_ids[] = {
		{ .compatible = "maxim,ds2760" },
		{}
		};
		#endif

		static struct w1_family_ops w1_ds2760_fops = {
		.add_slave = w1_ds2760_add_slave,
		.remove_slave = w1_ds2760_remove_slave,
		@@ -778,6 +804,7 @@ static struct w1_family_ops w1_ds2760_fops = {
		static struct w1_family w1_ds2760_family = {
		.fid = W1_FAMILY_DS2760,
		.fops = &w1_ds2760_fops,
		.of_match_table = of_match_ptr(w1_ds2760_of_ids),
		};
		module_w1_family(w1_ds2760_family);

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