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Commit c9e4412a authored by Kishon Vijay Abraham I's avatar Kishon Vijay Abraham I Committed by Felipe Balbi
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arm: omap: phy: remove unused functions from omap-phy-internal.c



All the unnessary functions in omap-phy-internal is removed.
These functionality are now handled by omap-usb2 phy driver.

Signed-off-by: default avatarKishon Vijay Abraham I <kishon@ti.com>
Acked-by: default avatarTony Lindgren <tony@atomide.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent f8515f06
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+0 −138
Original line number Diff line number Diff line
@@ -31,144 +31,6 @@
#include <plat/usb.h>
#include "control.h"

/* OMAP control module register for UTMI PHY */
#define CONTROL_DEV_CONF		0x300
#define PHY_PD				0x1

#define USBOTGHS_CONTROL		0x33c
#define	AVALID				BIT(0)
#define	BVALID				BIT(1)
#define	VBUSVALID			BIT(2)
#define	SESSEND				BIT(3)
#define	IDDIG				BIT(4)

static struct clk *phyclk, *clk48m, *clk32k;
static void __iomem *ctrl_base;
static int usbotghs_control;

int omap4430_phy_init(struct device *dev)
{
	ctrl_base = ioremap(OMAP443X_SCM_BASE, SZ_1K);
	if (!ctrl_base) {
		pr_err("control module ioremap failed\n");
		return -ENOMEM;
	}
	/* Power down the phy */
	__raw_writel(PHY_PD, ctrl_base + CONTROL_DEV_CONF);

	if (!dev) {
		iounmap(ctrl_base);
		return 0;
	}

	phyclk = clk_get(dev, "ocp2scp_usb_phy_ick");
	if (IS_ERR(phyclk)) {
		dev_err(dev, "cannot clk_get ocp2scp_usb_phy_ick\n");
		iounmap(ctrl_base);
		return PTR_ERR(phyclk);
	}

	clk48m = clk_get(dev, "ocp2scp_usb_phy_phy_48m");
	if (IS_ERR(clk48m)) {
		dev_err(dev, "cannot clk_get ocp2scp_usb_phy_phy_48m\n");
		clk_put(phyclk);
		iounmap(ctrl_base);
		return PTR_ERR(clk48m);
	}

	clk32k = clk_get(dev, "usb_phy_cm_clk32k");
	if (IS_ERR(clk32k)) {
		dev_err(dev, "cannot clk_get usb_phy_cm_clk32k\n");
		clk_put(phyclk);
		clk_put(clk48m);
		iounmap(ctrl_base);
		return PTR_ERR(clk32k);
	}
	return 0;
}

int omap4430_phy_set_clk(struct device *dev, int on)
{
	static int state;

	if (on && !state) {
		/* Enable the phy clocks */
		clk_enable(phyclk);
		clk_enable(clk48m);
		clk_enable(clk32k);
		state = 1;
	} else if (state) {
		/* Disable the phy clocks */
		clk_disable(phyclk);
		clk_disable(clk48m);
		clk_disable(clk32k);
		state = 0;
	}
	return 0;
}

int omap4430_phy_power(struct device *dev, int ID, int on)
{
	if (on) {
		if (ID)
			/* enable VBUS valid, IDDIG groung */
			__raw_writel(AVALID | VBUSVALID, ctrl_base +
							USBOTGHS_CONTROL);
		else
			/*
			 * Enable VBUS Valid, AValid and IDDIG
			 * high impedance
			 */
			__raw_writel(IDDIG | AVALID | VBUSVALID,
						ctrl_base + USBOTGHS_CONTROL);
	} else {
		/* Enable session END and IDIG to high impedance. */
		__raw_writel(SESSEND | IDDIG, ctrl_base +
					USBOTGHS_CONTROL);
	}
	return 0;
}

int omap4430_phy_suspend(struct device *dev, int suspend)
{
	if (suspend) {
		/* Disable the clocks */
		omap4430_phy_set_clk(dev, 0);
		/* Power down the phy */
		__raw_writel(PHY_PD, ctrl_base + CONTROL_DEV_CONF);

		/* save the context */
		usbotghs_control = __raw_readl(ctrl_base + USBOTGHS_CONTROL);
	} else {
		/* Enable the internel phy clcoks */
		omap4430_phy_set_clk(dev, 1);
		/* power on the phy */
		if (__raw_readl(ctrl_base + CONTROL_DEV_CONF) & PHY_PD) {
			__raw_writel(~PHY_PD, ctrl_base + CONTROL_DEV_CONF);
			mdelay(200);
		}

		/* restore the context */
		__raw_writel(usbotghs_control, ctrl_base + USBOTGHS_CONTROL);
	}

	return 0;
}

int omap4430_phy_exit(struct device *dev)
{
	if (ctrl_base)
		iounmap(ctrl_base);
	if (phyclk)
		clk_put(phyclk);
	if (clk48m)
		clk_put(clk48m);
	if (clk32k)
		clk_put(clk32k);

	return 0;
}

void am35x_musb_reset(void)
{
	u32	regval;
+0 −5
Original line number Diff line number Diff line
@@ -250,11 +250,6 @@ void __init omap3_pmic_get_config(struct twl4030_platform_data *pmic_data,

#if defined(CONFIG_ARCH_OMAP4)
static struct twl4030_usb_data omap4_usb_pdata = {
	.phy_init	= omap4430_phy_init,
	.phy_exit	= omap4430_phy_exit,
	.phy_power	= omap4430_phy_power,
	.phy_set_clock	= omap4430_phy_set_clk,
	.phy_suspend	= omap4430_phy_suspend,
};

static struct regulator_init_data omap4_vdac_idata = {
+0 −3
Original line number Diff line number Diff line
@@ -117,7 +117,4 @@ void __init usb_musb_init(struct omap_musb_board_data *musb_board_data)
	dev->dma_mask = &musb_dmamask;
	dev->coherent_dma_mask = musb_dmamask;
	put_device(dev);

	if (cpu_is_omap44xx())
		omap4430_phy_init(dev);
}