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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>
This commit is contained in:
Akhil R 2021-07-19 10:16:41 +05:30 committed by Bartosz Golaszewski
parent 8990899d84
commit 2606e7c9f5
1 changed files with 24 additions and 6 deletions
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30
drivers/gpio/gpio-tegra186.c
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@ -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,
};