diff options
| author |   Tomasz Figa <t.figa@samsung.com> | 2013-12-12 17:07:20 +0100 |
|---|---|---|
| committer |   Mike Turquette <mturquette@linaro.org> | 2014-01-08 09:57:07 -0800 |
| commit | b06c698716476dffb9537b06b0406a55d6fe4cd8 (patch) | |
| tree | 4ba6c8137d4a6a102f1f159a258fe3eb9baa9164 /drivers/clk/clk-max77686.c | |
| parent | clk: max77686: Refactor driver data handling (diff) | |
| download | linux-dev-b06c698716476dffb9537b06b0406a55d6fe4cd8.tar.xz linux-dev-b06c698716476dffb9537b06b0406a55d6fe4cd8.zip | |
clk: max77686: Register OF clock provider
If max77686 chip is instantiated from device tree, it is desirable to
have an OF clock provider to allow device tree based look-up of clocks.
This patch adds OF clock provider registration to the clk-max77686
driver.
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Diffstat (limited to 'drivers/clk/clk-max77686.c')
| -rw-r--r-- | drivers/clk/clk-max77686.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/drivers/clk/clk-max77686.c b/drivers/clk/clk-max77686.c index 3cf38dc66379..3d7e8dd8fd58 100644 --- a/drivers/clk/clk-max77686.c +++ b/drivers/clk/clk-max77686.c @@ -169,6 +169,26 @@ static int max77686_clk_probe(struct platform_device *pdev) platform_set_drvdata(pdev, clocks); + if (iodev->dev->of_node) { + struct clk_onecell_data *of_data; + + of_data = devm_kzalloc(&pdev->dev, + sizeof(*of_data), GFP_KERNEL); + if (!of_data) { + ret = -ENOMEM; + goto err_clocks; + } + + of_data->clks = clocks; + of_data->clk_num = MAX77686_CLKS_NUM; + ret = of_clk_add_provider(iodev->dev->of_node, + of_clk_src_onecell_get, of_data); + if (ret) { + dev_err(&pdev->dev, "failed to register OF clock provider\n"); + goto err_clocks; + } + } + return 0; err_clocks: @@ -182,9 +202,13 @@ err_clocks: static int max77686_clk_remove(struct platform_device *pdev) { + struct max77686_dev *iodev = dev_get_drvdata(pdev->dev.parent); struct clk **clocks = platform_get_drvdata(pdev); int i; + if (iodev->dev->of_node) + of_clk_del_provider(iodev->dev->of_node); + for (i = 0; i < MAX77686_CLKS_NUM; i++) { struct clk_hw *hw = __clk_get_hw(clocks[i]); struct max77686_clk *max77686 = to_max77686_clk(hw); |