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Commit dc47b6c0 authored by Linyu Yuan's avatar Linyu Yuan
Browse files

usb: phy: qmp: debug value of portselect pin 



USB3_DP_COM_TYPEC_STATUS register bit0 indicate the value.

Change-Id: Idcb2a39f1a0475317371ea3b9672d2c25b2155b2
Signed-off-by: default avatarLinyu Yuan <linyyuan@codeaurora.org>
parent 0afd6cbe

drivers/usb/phy/phy-msm-ssusb-qmp.c

+14 −3
Original line number Diff line number Diff line
@@ -75,6 +75,9 @@ enum core_ldo_levels { 
#define DP_MODE			BIT(1) /* enables DP mode */

#define USB3_DP_COMBO_MODE	(USB3_MODE | DP_MODE) /*enables combo mode */



/* USB3_DP_COM_TYPEC_STATUS */

#define PORTSELECT_RAW		BIT(0)



enum qmp_phy_rev_reg {

	USB3_PHY_PCS_STATUS,

	USB3_PHY_AUTONOMOUS_MODE_CTRL,
@@ -93,8 +96,10 @@ enum qmp_phy_rev_reg { 
	USB3_DP_COM_PHY_MODE_CTRL,

	USB3_DP_COM_TYPEC_CTRL,

	USB3_PCS_MISC_CLAMP_ENABLE,

	USB3_DP_COM_TYPEC_STATUS,

	USB3_PHY_REG_MAX,

};

#define PHY_REG_SIZE (USB3_PHY_REG_MAX * sizeof(u32))



enum qmp_phy_type {

	USB3,
@@ -369,6 +374,7 @@ static void usb_qmp_update_hw_portselect(struct msm_ssphy_qmp *phy) 
{

	struct pinctrl		*portselect_pinctrl;

	struct pinctrl_state	*portselect_state;

	u32 status;



	if (phy->phy.dev->pins) {

		portselect_pinctrl = phy->phy.dev->pins->p;
@@ -390,8 +396,6 @@ static void usb_qmp_update_hw_portselect(struct msm_ssphy_qmp *phy) 
		}

	}



	dev_dbg(phy->phy.dev, "use hw port select\n");



	writel_relaxed(0x01,

		phy->base + phy->phy_reg[USB3_DP_COM_SW_RESET]);
@@ -402,6 +406,13 @@ static void usb_qmp_update_hw_portselect(struct msm_ssphy_qmp *phy) 


	if (!phy->phy.dev->pins)

		pinctrl_put(portselect_pinctrl);



	if (phy->phy_reg[USB3_DP_COM_TYPEC_STATUS]) {

		status = readl_relaxed(phy->base +

				phy->phy_reg[USB3_DP_COM_TYPEC_STATUS]);

		dev_dbg(phy->phy.dev, "hw port select %s\n",

			status & PORTSELECT_RAW ? "CC2" : "CC1");

	}

}



static void usb_qmp_update_portselect_phymode(struct msm_ssphy_qmp *phy)
@@ -940,7 +951,7 @@ static int msm_ssphy_qmp_probe(struct platform_device *pdev) 


	of_get_property(dev->of_node, "qcom,qmp-phy-reg-offset", &size);

	if (size) {

		phy->phy_reg = devm_kzalloc(dev, size, GFP_KERNEL);

		phy->phy_reg = devm_kzalloc(dev, PHY_REG_SIZE, GFP_KERNEL);

		if (phy->phy_reg) {

			phy->reg_offset_cnt = (size / sizeof(*phy->phy_reg));

			if (phy->reg_offset_cnt > USB3_PHY_REG_MAX) {