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phy: qcom-qmp: Expose provided clocks to DT

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Register a simple clock provider for the PHY pipe clock sources so that
device tree users can point at these clocks via phandles to the lane
nodes.

Signed-off-by: Evan Green <evgreen@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Tested-by: Vivek Gautam <vivek.gautam@codeaurora.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
This commit is contained in:
Evan Green 2018-12-10 11:32:07 -08:00 committed by Kishon Vijay Abraham I
parent d21aafe9a4
commit 2e38c2e702
1 changed files with 22 additions and 1 deletions
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23
drivers/phy/qualcomm/phy-qcom-qmp.c
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@ -1542,6 +1542,11 @@ static int qcom_qmp_phy_clk_init(struct device *dev)
return devm_clk_bulk_get(dev, num, qmp->clks);
}
static void phy_pipe_clk_release_provider(void *res)
{
of_clk_del_provider(res);
}
/*
* Register a fixed rate pipe clock.
*
@ -1588,7 +1593,23 @@ static int phy_pipe_clk_register(struct qcom_qmp *qmp, struct device_node *np)
fixed->fixed_rate = 125000000;
fixed->hw.init = &init;
return devm_clk_hw_register(qmp->dev, &fixed->hw);
ret = devm_clk_hw_register(qmp->dev, &fixed->hw);
if (ret)
return ret;
ret = of_clk_add_hw_provider(np, of_clk_hw_simple_get, &fixed->hw);
if (ret)
return ret;
/*
* Roll a devm action because the clock provider is the child node, but
* the child node is not actually a device.
*/
ret = devm_add_action(qmp->dev, phy_pipe_clk_release_provider, np);
if (ret)
phy_pipe_clk_release_provider(np);
return ret;
}
static const struct phy_ops qcom_qmp_phy_gen_ops = {