Merge "ARM: msm: dts: Enable sdp check timer for sdm429" (7147b81b) · Commits · e / devices / android_kernel_xiaomi_nabu

Documentation/devicetree/bindings/usb/msm-hsusb.txt

+2 −0

Original line number	Diff line number	Diff line
		@@ -295,6 +295,8 @@ Optional properties :
		- qcom,usbeth-reset-gpio: If present then an external usb-to-eth is connected to
		the USB host controller and its RESET_N signal is connected to this
		usbeth-reset-gpio GPIO. It should be driven LOW to RESET the usb-to-eth.
		- qcom,enumeration-check-for-sdp: If present, start timer for SDP charger to check enumeration
		happen or not.

		Example HSUSB OTG controller device node :
		usb@f9690000 {

arch/arm64/boot/dts/qcom/sdm429.dtsi

+1 −0

Original line number	Diff line number	Diff line
		@@ -463,6 +463,7 @@
		qcom,boost-sysclk-with-streaming;
		qcom,axi-prefetch-enable;
		qcom,hsusb-otg-delay-lpm;
		qcom,enumeration-check-for-sdp;

		qcom,msm-bus,name = "usb2";
		qcom,msm-bus,num-cases = <3>;

drivers/usb/gadget/ci13xxx_udc.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -400,7 +400,9 @@ static int hw_device_state(u32 dma)
		hw_cwrite(CAP_USBINTR, ~0,
		USBi_UI\|USBi_UEI\|USBi_PCI\|USBi_URI\|USBi_SLI);
		hw_cwrite(CAP_USBCMD, USBCMD_RS, USBCMD_RS);
		udc->transceiver->flags \|= PHY_SOFT_CONNECT;
		} else {
		udc->transceiver->flags &= ~PHY_SOFT_CONNECT;
		hw_cwrite(CAP_USBCMD, USBCMD_RS, 0);
		hw_cwrite(CAP_USBINTR, ~0, 0);
		/* Clear BIT(31) to disable AHB2AHB Bypass functionality */

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

+21 −11

Original line number	Diff line number	Diff line
		@@ -209,6 +209,7 @@ struct msm_otg_platform_data {
		};

		#define SDP_CHECK_DELAY_MS 10000 /* in ms */
		#define SDP_CHECK_BOOT_DELAY_MS 30000 /* in ms */

		#define MSM_USB_BASE (motg->regs)
		#define MSM_USB_PHY_CSR_BASE (motg->phy_csr_regs)
		@@ -1910,13 +1911,14 @@ static void msm_otg_notify_charger(struct msm_otg *motg, unsigned int mA)
		motg->chg_type);

		psy_type = get_psy_type(motg);
		if (psy_type == POWER_SUPPLY_TYPE_USB_FLOAT) {
		if (!mA)
		if (psy_type == POWER_SUPPLY_TYPE_USB_FLOAT \|\|
		(psy_type == POWER_SUPPLY_TYPE_USB &&
		motg->enable_sdp_check_timer)) {
		if (!mA) {
		pval.intval = -ETIMEDOUT;
		else
		pval.intval = 1000 * mA;
		goto set_prop;
		}
		}

		if (motg->cur_power == mA)
		return;
		@@ -2766,7 +2768,7 @@ static void check_for_sdp_connection(struct work_struct *w)
		struct msm_otg *motg = container_of(w, struct msm_otg, sdp_check.work);

		/* Cable disconnected or device enumerated as SDP */
		if (!motg->vbus_state \|\| motg->phy.otg->gadget->state >=
		if (!motg->vbus_state \|\| motg->phy.otg->gadget->state >
		USB_STATE_DEFAULT)
		return;

		@@ -2847,13 +2849,18 @@ static void msm_otg_sm_work(struct work_struct *w)
		break;
		}

		if (get_psy_type(motg) == POWER_SUPPLY_TYPE_USB_FLOAT)
		queue_delayed_work(motg->otg_wq,
		&motg->sdp_check,
		msecs_to_jiffies(SDP_CHECK_DELAY_MS));

		pm_runtime_get_sync(otg->usb_phy->dev);
		msm_otg_start_peripheral(otg, 1);
		if (get_psy_type(motg) == POWER_SUPPLY_TYPE_USB_FLOAT \|\|
		(get_psy_type(motg) == POWER_SUPPLY_TYPE_USB &&
		motg->enable_sdp_check_timer)) {
		queue_delayed_work(motg->otg_wq,
		&motg->sdp_check,
		msecs_to_jiffies(
		(phy->flags & PHY_SOFT_CONNECT) ?
		SDP_CHECK_DELAY_MS :
		SDP_CHECK_BOOT_DELAY_MS));
		}
		otg->state = OTG_STATE_B_PERIPHERAL;
		} else {
		pr_debug("Cable disconnected\n");
		@@ -4107,6 +4114,9 @@ static int msm_otg_probe(struct platform_device *pdev)
		of_property_read_u32(pdev->dev.of_node, "qcom,pm-qos-latency",
		&motg->pm_qos_latency);

		motg->enable_sdp_check_timer = of_property_read_bool(pdev->dev.of_node,
		"qcom,enumeration-check-for-sdp");

		pdata = msm_otg_dt_to_pdata(pdev);
		if (!pdata) {
		ret = -ENOMEM;

include/linux/usb/msm_hsusb.h

+1 −0

Original line number	Diff line number	Diff line
		@@ -330,6 +330,7 @@ struct msm_otg {
		struct work_struct notify_charger_work;
		struct work_struct extcon_register_work;
		struct notifier_block psy_nb;
		bool enable_sdp_check_timer;
		};

		struct ci13xxx_platform_data {