regulator: wm8994: Fix shared GPIOs
This reverts commit 3c6b38d45f
"regulator: wm8994: Pass
descriptor instead of GPIO number" as it has problems with shared
GPIOs similar to that on s2mps11.
Reported-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
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d1dae72fab
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@ -194,8 +194,8 @@ static struct wm8994_pdata wm8994_pdata = {
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0x3, /* IRQ out, active high, CMOS */
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},
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.ldo = {
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{ .init_data = &wm8994_ldo1, },
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{ .init_data = &wm8994_ldo2, },
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{ .enable = S3C64XX_GPN(6), .init_data = &wm8994_ldo1, },
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{ .enable = S3C64XX_GPN(4), .init_data = &wm8994_ldo2, },
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},
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};
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@ -203,18 +203,6 @@ static const struct i2c_board_info wm1277_devs[] = {
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{ I2C_BOARD_INFO("wm8958", 0x1a), /* WM8958 is the superset */
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.platform_data = &wm8994_pdata,
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.irq = GLENFARCLAS_PMIC_IRQ_BASE + WM831X_IRQ_GPIO_2,
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.dev_name = "wm8958",
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},
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};
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static struct gpiod_lookup_table wm8994_gpiod_table = {
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.dev_id = "i2c-wm8958", /* I2C device name */
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.table = {
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GPIO_LOOKUP("GPION", 6,
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"wlf,ldo1ena", GPIO_ACTIVE_HIGH),
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GPIO_LOOKUP("GPION", 4,
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"wlf,ldo2ena", GPIO_ACTIVE_HIGH),
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{ },
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},
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};
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@ -393,7 +381,6 @@ static int wlf_gf_module_probe(struct i2c_client *i2c,
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gpiod_add_lookup_table(&wm5102_reva_gpiod_table);
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gpiod_add_lookup_table(&wm5102_gpiod_table);
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gpiod_add_lookup_table(&wm8994_gpiod_table);
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if (i < ARRAY_SIZE(gf_mods)) {
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dev_info(&i2c->dev, "%s revision %d\n",
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@ -21,6 +21,7 @@
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#include <linux/mfd/core.h>
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#include <linux/of.h>
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#include <linux/of_device.h>
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#include <linux/of_gpio.h>
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#include <linux/pm_runtime.h>
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#include <linux/regmap.h>
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#include <linux/regulator/consumer.h>
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@ -301,6 +302,14 @@ static int wm8994_set_pdata_from_of(struct wm8994 *wm8994)
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if (of_find_property(np, "wlf,ldoena-always-driven", NULL))
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pdata->lineout2fb = true;
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pdata->ldo[0].enable = of_get_named_gpio(np, "wlf,ldo1ena", 0);
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if (pdata->ldo[0].enable < 0)
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pdata->ldo[0].enable = 0;
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pdata->ldo[1].enable = of_get_named_gpio(np, "wlf,ldo2ena", 0);
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if (pdata->ldo[1].enable < 0)
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pdata->ldo[1].enable = 0;
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return 0;
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}
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#else
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@ -19,7 +19,7 @@
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#include <linux/platform_device.h>
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#include <linux/regulator/driver.h>
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#include <linux/regulator/machine.h>
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#include <linux/gpio/consumer.h>
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#include <linux/gpio.h>
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#include <linux/slab.h>
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#include <linux/mfd/wm8994/core.h>
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@ -129,7 +129,6 @@ static int wm8994_ldo_probe(struct platform_device *pdev)
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int id = pdev->id % ARRAY_SIZE(pdata->ldo);
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struct regulator_config config = { };
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struct wm8994_ldo *ldo;
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struct gpio_desc *gpiod;
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int ret;
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dev_dbg(&pdev->dev, "Probing LDO%d\n", id + 1);
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@ -146,14 +145,12 @@ static int wm8994_ldo_probe(struct platform_device *pdev)
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config.driver_data = ldo;
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config.regmap = wm8994->regmap;
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config.init_data = &ldo->init_data;
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/* Look up LDO enable GPIO from the parent device node */
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gpiod = devm_gpiod_get_optional(pdev->dev.parent,
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id ? "wlf,ldo2ena" : "wlf,ldo1ena",
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GPIOD_OUT_LOW);
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if (IS_ERR(gpiod))
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return PTR_ERR(gpiod);
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config.ena_gpiod = gpiod;
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if (pdata) {
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config.ena_gpio = pdata->ldo[id].enable;
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} else if (wm8994->dev->of_node) {
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config.ena_gpio = wm8994->pdata.ldo[id].enable;
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config.ena_gpio_initialized = true;
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}
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/* Use default constraints if none set up */
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if (!pdata || !pdata->ldo[id].init_data || wm8994->dev->of_node) {
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@ -162,7 +159,7 @@ static int wm8994_ldo_probe(struct platform_device *pdev)
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ldo->init_data = wm8994_ldo_default[id];
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ldo->init_data.consumer_supplies = &ldo->supply;
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if (!gpiod)
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if (!config.ena_gpio)
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ldo->init_data.constraints.valid_ops_mask = 0;
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} else {
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ldo->init_data = *pdata->ldo[id].init_data;
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@ -20,6 +20,9 @@
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#define WM8994_NUM_AIF 3
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struct wm8994_ldo_pdata {
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/** GPIOs to enable regulator, 0 or less if not available */
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int enable;
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const struct regulator_init_data *init_data;
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};
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