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authorChen Zhong <chen.zhong@mediatek.com>2017-10-05 06:50:23 +0300
committerStephen Boyd <sboyd@codeaurora.org>2017-11-02 11:07:51 +0300
commitc955bf3998efa3355790a4d8c82874582f1bc727 (patch)
tree4df4e73b5bd0d3d4ba1405bdb20950b7b5070308 /drivers/clk/mediatek/clk-pll.c
parent808ecf4ad087f80c2eee99af67549f05d5315694 (diff)
downloadlinux-c955bf3998efa3355790a4d8c82874582f1bc727.tar.xz
clk: mediatek: add the option for determining PLL source clock
Since the previous setup always sets the PLL using crystal 26MHz, this doesn't always happen in every MediaTek platform. So the patch added flexibility for assigning extra member for determining the PLL source clock. Signed-off-by: Chen Zhong <chen.zhong@mediatek.com> Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'drivers/clk/mediatek/clk-pll.c')
-rw-r--r--drivers/clk/mediatek/clk-pll.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/clk/mediatek/clk-pll.c b/drivers/clk/mediatek/clk-pll.c
index 3c546bae6955..f54e4015b0b1 100644
--- a/drivers/clk/mediatek/clk-pll.c
+++ b/drivers/clk/mediatek/clk-pll.c
@@ -312,7 +312,10 @@ static struct clk *mtk_clk_register_pll(const struct mtk_pll_data *data,
init.name = data->name;
init.flags = (data->flags & PLL_AO) ? CLK_IS_CRITICAL : 0;
init.ops = &mtk_pll_ops;
- init.parent_names = &parent_name;
+ if (data->parent_name)
+ init.parent_names = &data->parent_name;
+ else
+ init.parent_names = &parent_name;
init.num_parents = 1;
clk = clk_register(NULL, &pll->hw);