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authorAkhil R <akhilrajeev@nvidia.com>2021-07-19 07:46:41 +0300
committerBartosz Golaszewski <bgolaszewski@baylibre.com>2021-08-05 22:30:32 +0300
commit2606e7c9f5fce1d6c8a75c20947049b63c1b8333 (patch)
treec235a1a1c2d7e21cb834dde254643c833a75625c /drivers/gpio
parent8990899d84d7f46c0c1cd3f41135707b26d0eeaa (diff)
downloadlinux-2606e7c9f5fce1d6c8a75c20947049b63c1b8333.tar.xz
gpio: tegra186: Add ACPI support
Add ACPI module ID to probe the driver from the ACPI based bootloader firmware. Signed-off-by: Akhil R <akhilrajeev@nvidia.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Reviewed-by: Jon Hunter <jonathanh@nvidia.com> Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Diffstat (limited to 'drivers/gpio')
-rw-r--r--drivers/gpio/gpio-tegra186.c30
1 files changed, 24 insertions, 6 deletions
diff --git a/drivers/gpio/gpio-tegra186.c b/drivers/gpio/gpio-tegra186.c
index d38980b9923a..046b7c8b15d1 100644
--- a/drivers/gpio/gpio-tegra186.c
+++ b/drivers/gpio/gpio-tegra186.c
@@ -610,15 +610,21 @@ static int tegra186_gpio_probe(struct platform_device *pdev)
if (!gpio)
return -ENOMEM;
- gpio->soc = of_device_get_match_data(&pdev->dev);
+ gpio->soc = device_get_match_data(&pdev->dev);
gpio->secure = devm_platform_ioremap_resource_byname(pdev, "security");
- if (IS_ERR(gpio->secure))
- return PTR_ERR(gpio->secure);
+ if (IS_ERR(gpio->secure)) {
+ gpio->secure = devm_platform_ioremap_resource(pdev, 0);
+ if (IS_ERR(gpio->secure))
+ return PTR_ERR(gpio->secure);
+ }
gpio->base = devm_platform_ioremap_resource_byname(pdev, "gpio");
- if (IS_ERR(gpio->base))
- return PTR_ERR(gpio->base);
+ if (IS_ERR(gpio->base)) {
+ gpio->base = devm_platform_ioremap_resource(pdev, 1);
+ if (IS_ERR(gpio->base))
+ return PTR_ERR(gpio->base);
+ }
err = platform_irq_count(pdev);
if (err < 0)
@@ -680,11 +686,13 @@ static int tegra186_gpio_probe(struct platform_device *pdev)
gpio->gpio.names = (const char * const *)names;
+#if defined(CONFIG_OF_GPIO)
gpio->gpio.of_node = pdev->dev.of_node;
gpio->gpio.of_gpio_n_cells = 2;
gpio->gpio.of_xlate = tegra186_gpio_of_xlate;
+#endif /* CONFIG_OF_GPIO */
- gpio->intc.name = pdev->dev.of_node->name;
+ gpio->intc.name = dev_name(&pdev->dev);
gpio->intc.irq_ack = tegra186_irq_ack;
gpio->intc.irq_mask = tegra186_irq_mask;
gpio->intc.irq_unmask = tegra186_irq_unmask;
@@ -896,10 +904,20 @@ static const struct of_device_id tegra186_gpio_of_match[] = {
};
MODULE_DEVICE_TABLE(of, tegra186_gpio_of_match);
+static const struct acpi_device_id tegra186_gpio_acpi_match[] = {
+ { .id = "NVDA0108", .driver_data = (kernel_ulong_t)&tegra186_main_soc },
+ { .id = "NVDA0208", .driver_data = (kernel_ulong_t)&tegra186_aon_soc },
+ { .id = "NVDA0308", .driver_data = (kernel_ulong_t)&tegra194_main_soc },
+ { .id = "NVDA0408", .driver_data = (kernel_ulong_t)&tegra194_aon_soc },
+ {}
+};
+MODULE_DEVICE_TABLE(acpi, tegra186_gpio_acpi_match);
+
static struct platform_driver tegra186_gpio_driver = {
.driver = {
.name = "tegra186-gpio",
.of_match_table = tegra186_gpio_of_match,
+ .acpi_match_table = tegra186_gpio_acpi_match,
},
.probe = tegra186_gpio_probe,
};