Commit 80cf67dd authored by Yoshihiro Shimoda's avatar Yoshihiro Shimoda Committed by Geert Uytterhoeven
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clk: renesas: rcar-usb2-clock-sel: Add multiple clocks management 



This hardware needs to enable clocks of both host and peripheral.
So, this patch adds multiple clocks management.

Signed-off-by: default avatarYoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Link: https://lore.kernel.org/r/1583304137-28482-4-git-send-email-yoshihiro.shimoda.uh@renesas.com


Signed-off-by: default avatarGeert Uytterhoeven <geert+renesas@glider.be>
parent f70ae8ec

drivers/clk/renesas/rcar-usb2-clock-sel.c

+25 −2
Original line number Diff line number Diff line
@@ -26,9 +26,15 @@ 
#define CLKSET0_PRIVATE		BIT(0)

#define CLKSET0_EXTAL_ONLY	(CLKSET0_INTCLK_EN | CLKSET0_PRIVATE)



static const struct clk_bulk_data rcar_usb2_clocks[] = {

	{ .id = "ehci_ohci", },

	{ .id = "hs-usb-if", },

};



struct usb2_clock_sel_priv {

	void __iomem *base;

	struct clk_hw hw;

	struct clk_bulk_data clks[ARRAY_SIZE(rcar_usb2_clocks)];

	bool extal;

	bool xtal;

};
@@ -53,14 +59,25 @@ static void usb2_clock_sel_disable_extal_only(struct usb2_clock_sel_priv *priv) 


static int usb2_clock_sel_enable(struct clk_hw *hw)

{

	usb2_clock_sel_enable_extal_only(to_priv(hw));

	struct usb2_clock_sel_priv *priv = to_priv(hw);

	int ret;



	ret = clk_bulk_prepare_enable(ARRAY_SIZE(priv->clks), priv->clks);

	if (ret)

		return ret;



	usb2_clock_sel_enable_extal_only(priv);



	return 0;

}



static void usb2_clock_sel_disable(struct clk_hw *hw)

{

	usb2_clock_sel_disable_extal_only(to_priv(hw));

	struct usb2_clock_sel_priv *priv = to_priv(hw);



	usb2_clock_sel_disable_extal_only(priv);



	clk_bulk_disable_unprepare(ARRAY_SIZE(priv->clks), priv->clks);

}



/*
@@ -119,6 +136,7 @@ static int rcar_usb2_clock_sel_probe(struct platform_device *pdev) 
	struct usb2_clock_sel_priv *priv;

	struct clk *clk;

	struct clk_init_data init;

	int ret;



	priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);

	if (!priv)
@@ -128,6 +146,11 @@ static int rcar_usb2_clock_sel_probe(struct platform_device *pdev) 
	if (IS_ERR(priv->base))

		return PTR_ERR(priv->base);



	memcpy(priv->clks, rcar_usb2_clocks, sizeof(priv->clks));

	ret = devm_clk_bulk_get(dev, ARRAY_SIZE(priv->clks), priv->clks);

	if (ret < 0)

		return ret;



	pm_runtime_enable(dev);

	pm_runtime_get_sync(dev);

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