diff options
Diffstat (limited to 'drivers/power/sequencing/pwrseq-qcom-wcn.c')
-rw-r--r-- | drivers/power/sequencing/pwrseq-qcom-wcn.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/drivers/power/sequencing/pwrseq-qcom-wcn.c b/drivers/power/sequencing/pwrseq-qcom-wcn.c index 682a9beac69e..e8f5030f2639 100644 --- a/drivers/power/sequencing/pwrseq-qcom-wcn.c +++ b/drivers/power/sequencing/pwrseq-qcom-wcn.c @@ -272,6 +272,24 @@ static const struct pwrseq_qcom_wcn_pdata pwrseq_qca6390_of_data = { .targets = pwrseq_qcom_wcn_targets, }; +static const char *const pwrseq_wcn6750_vregs[] = { + "vddaon", + "vddasd", + "vddpmu", + "vddrfa0p8", + "vddrfa1p2", + "vddrfa1p7", + "vddrfa2p2", +}; + +static const struct pwrseq_qcom_wcn_pdata pwrseq_wcn6750_of_data = { + .vregs = pwrseq_wcn6750_vregs, + .num_vregs = ARRAY_SIZE(pwrseq_wcn6750_vregs), + .pwup_delay_ms = 50, + .gpio_enable_delay_ms = 5, + .targets = pwrseq_qcom_wcn_targets, +}; + static const char *const pwrseq_wcn6855_vregs[] = { "vddio", "vddaon", @@ -378,6 +396,13 @@ static int pwrseq_qcom_wcn_probe(struct platform_device *pdev) return dev_err_probe(dev, PTR_ERR(ctx->bt_gpio), "Failed to get the Bluetooth enable GPIO\n"); + /* + * FIXME: This should actually be GPIOD_OUT_LOW, but doing so would + * cause the WLAN power to be toggled, resulting in PCIe link down. + * Since the PCIe controller driver is not handling link down currently, + * the device becomes unusable. So we need to keep this workaround until + * the link down handling is implemented in the controller driver. + */ ctx->wlan_gpio = devm_gpiod_get_optional(dev, "wlan-enable", GPIOD_ASIS); if (IS_ERR(ctx->wlan_gpio)) @@ -431,6 +456,10 @@ static const struct of_device_id pwrseq_qcom_wcn_of_match[] = { .compatible = "qcom,wcn7850-pmu", .data = &pwrseq_wcn7850_of_data, }, + { + .compatible = "qcom,wcn6750-pmu", + .data = &pwrseq_wcn6750_of_data, + }, { } }; MODULE_DEVICE_TABLE(of, pwrseq_qcom_wcn_of_match); |