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path: root/drivers/bus/ti-pwmss.c
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Diffstat (limited to 'drivers/bus/ti-pwmss.c')
-rw-r--r--drivers/bus/ti-pwmss.c55
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");