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path: root/drivers/clk/ux500/abx500-clk.c
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Diffstat (limited to 'drivers/clk/ux500/abx500-clk.c')
-rw-r--r--drivers/clk/ux500/abx500-clk.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/drivers/clk/ux500/abx500-clk.c b/drivers/clk/ux500/abx500-clk.c
new file mode 100644
index 000000000000..e27c52317ffe
--- /dev/null
+++ b/drivers/clk/ux500/abx500-clk.c
@@ -0,0 +1,73 @@
+/*
+ * abx500 clock implementation for ux500 platform.
+ *
+ * Copyright (C) 2012 ST-Ericsson SA
+ * Author: Ulf Hansson <ulf.hansson@linaro.org>
+ *
+ * License terms: GNU General Public License (GPL) version 2
+ */
+
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/abx500/ab8500.h>
+
+/* TODO: Add clock implementations here */
+
+
+/* Clock definitions for ab8500 */
+static int ab8500_reg_clks(struct device *dev)
+{
+ return 0;
+}
+
+/* Clock definitions for ab8540 */
+static int ab8540_reg_clks(struct device *dev)
+{
+ return 0;
+}
+
+/* Clock definitions for ab9540 */
+static int ab9540_reg_clks(struct device *dev)
+{
+ return 0;
+}
+
+static int __devinit abx500_clk_probe(struct platform_device *pdev)
+{
+ struct ab8500 *parent = dev_get_drvdata(pdev->dev.parent);
+ int ret;
+
+ if (is_ab8500(parent) || is_ab8505(parent)) {
+ ret = ab8500_reg_clks(&pdev->dev);
+ } else if (is_ab8540(parent)) {
+ ret = ab8540_reg_clks(&pdev->dev);
+ } else if (is_ab9540(parent)) {
+ ret = ab9540_reg_clks(&pdev->dev);
+ } else {
+ dev_err(&pdev->dev, "non supported plf id\n");
+ return -ENODEV;
+ }
+
+ return ret;
+}
+
+static struct platform_driver abx500_clk_driver = {
+ .driver = {
+ .name = "abx500-clk",
+ .owner = THIS_MODULE,
+ },
+ .probe = abx500_clk_probe,
+};
+
+static int __init abx500_clk_init(void)
+{
+ return platform_driver_register(&abx500_clk_driver);
+}
+
+arch_initcall(abx500_clk_init);
+
+MODULE_AUTHOR("Ulf Hansson <ulf.hansson@linaro.org");
+MODULE_DESCRIPTION("ABX500 clk driver");
+MODULE_LICENSE("GPL v2");
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