diff options
Diffstat (limited to 'drivers/bus/ti-pwmss.c')
-rw-r--r-- | drivers/bus/ti-pwmss.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/drivers/bus/ti-pwmss.c b/drivers/bus/ti-pwmss.c new file mode 100644 index 000000000000..e9c26c94251b --- /dev/null +++ b/drivers/bus/ti-pwmss.c @@ -0,0 +1,55 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * TI PWM Subsystem driver + * + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/ + */ + +#include <linux/module.h> +#include <linux/platform_device.h> +#include <linux/io.h> +#include <linux/err.h> +#include <linux/pm_runtime.h> +#include <linux/of_device.h> + +static const struct of_device_id pwmss_of_match[] = { + { .compatible = "ti,am33xx-pwmss" }, + {}, +}; +MODULE_DEVICE_TABLE(of, pwmss_of_match); + +static int pwmss_probe(struct platform_device *pdev) +{ + int ret; + struct device_node *node = pdev->dev.of_node; + + pm_runtime_enable(&pdev->dev); + + /* Populate all the child nodes here... */ + ret = of_platform_populate(node, NULL, NULL, &pdev->dev); + if (ret) + dev_err(&pdev->dev, "no child node found\n"); + + return ret; +} + +static int pwmss_remove(struct platform_device *pdev) +{ + pm_runtime_disable(&pdev->dev); + return 0; +} + +static struct platform_driver pwmss_driver = { + .driver = { + .name = "pwmss", + .of_match_table = pwmss_of_match, + }, + .probe = pwmss_probe, + .remove = pwmss_remove, +}; + +module_platform_driver(pwmss_driver); + +MODULE_DESCRIPTION("PWM Subsystem driver"); +MODULE_AUTHOR("Texas Instruments"); +MODULE_LICENSE("GPL"); |