diff options
Diffstat (limited to 'recipes-kernel/linux/linux-yocto/qca6390-driver/0004-mfd-qcom-qca639x-change-qca639x-to-use-gpios-rather-.patch')
| -rw-r--r-- | recipes-kernel/linux/linux-yocto/qca6390-driver/0004-mfd-qcom-qca639x-change-qca639x-to-use-gpios-rather-.patch | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/recipes-kernel/linux/linux-yocto/qca6390-driver/0004-mfd-qcom-qca639x-change-qca639x-to-use-gpios-rather-.patch b/recipes-kernel/linux/linux-yocto/qca6390-driver/0004-mfd-qcom-qca639x-change-qca639x-to-use-gpios-rather-.patch new file mode 100644 index 0000000..4520e37 --- /dev/null +++ b/recipes-kernel/linux/linux-yocto/qca6390-driver/0004-mfd-qcom-qca639x-change-qca639x-to-use-gpios-rather-.patch @@ -0,0 +1,90 @@ +From 3f07b11f1bf49c153df0248de9128ffdad0792f8 Mon Sep 17 00:00:00 2001 +From: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> +Date: Sat, 26 Feb 2022 21:17:22 +0300 +Subject: [PATCH 4/5] mfd: qcom-qca639x: change qca639x to use gpios rather + than pinctrl + +Use gpio interface instead of pinctrl interface to toggle enable pins. + +Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> +Upstream-Status: Inappropriate +--- + drivers/mfd/qcom-qca639x.c | 33 +++++++++++++++++++-------------- + 1 file changed, 19 insertions(+), 14 deletions(-) + +diff --git a/drivers/mfd/qcom-qca639x.c b/drivers/mfd/qcom-qca639x.c +index 22792561dbad..4de860e9bbd0 100644 +--- a/drivers/mfd/qcom-qca639x.c ++++ b/drivers/mfd/qcom-qca639x.c +@@ -47,8 +47,9 @@ static const struct qca_cfg_data qca6390_cfg_data = { + struct qca_data { + size_t num_vregs; + struct device *dev; +- struct pinctrl_state *active_state; + struct generic_pm_domain pd; ++ struct gpio_desc *wlan_en_gpio; ++ struct gpio_desc *bt_en_gpio; + struct regulator_bulk_data regulators[]; + }; + +@@ -70,11 +71,10 @@ static int qca_power_on(struct generic_pm_domain *domain) + /* Wait for 1ms before toggling enable pins. */ + msleep(1); + +- ret = pinctrl_select_state(data->dev->pins->p, data->active_state); +- if (ret) { +- dev_err(data->dev, "Failed to select active state"); +- return ret; +- } ++ if (data->wlan_en_gpio) ++ gpiod_set_value(data->wlan_en_gpio, 1); ++ if (data->bt_en_gpio) ++ gpiod_set_value(data->bt_en_gpio, 1); + + /* Wait for all power levels to stabilize */ + msleep(6); +@@ -88,7 +88,11 @@ static int qca_power_off(struct generic_pm_domain *domain) + + dev_warn(&domain->dev, "DUMMY POWER OFF\n"); + +- pinctrl_select_default_state(data->dev); ++ if (data->wlan_en_gpio) ++ gpiod_set_value(data->wlan_en_gpio, 0); ++ if (data->bt_en_gpio) ++ gpiod_set_value(data->bt_en_gpio, 0); ++ + regulator_bulk_disable(data->num_vregs, data->regulators); + + return 0; +@@ -115,13 +119,6 @@ static int qca_probe(struct platform_device *pdev) + data->dev = dev; + data->num_vregs = cfg->num_vregs; + +- data->active_state = pinctrl_lookup_state(dev->pins->p, "active"); +- if (IS_ERR(data->active_state)) { +- ret = PTR_ERR(data->active_state); +- dev_err(dev, "Failed to get active_state: %d\n", ret); +- return ret; +- } +- + for (i = 0; i < data->num_vregs; i++) + data->regulators[i].supply = cfg->vregs[i].name; + ret = devm_regulator_bulk_get(dev, data->num_vregs, data->regulators); +@@ -134,6 +131,14 @@ static int qca_probe(struct platform_device *pdev) + return ret; + } + ++ data->wlan_en_gpio = devm_gpiod_get_optional(&pdev->dev, "wlan-en", GPIOD_OUT_LOW); ++ if (IS_ERR(data->wlan_en_gpio)) ++ return PTR_ERR(data->wlan_en_gpio); ++ ++ data->bt_en_gpio = devm_gpiod_get_optional(&pdev->dev, "bt-en", GPIOD_OUT_LOW); ++ if (IS_ERR(data->bt_en_gpio)) ++ return PTR_ERR(data->bt_en_gpio); ++ + data->pd.name = dev_name(dev); + data->pd.power_on = qca_power_on; + data->pd.power_off = qca_power_off; +-- +2.39.2 + |