From 073b105e794d7aae9b62cac68109a6aa8caa3483 Mon Sep 17 00:00:00 2001 From: Tim Harvey Date: Wed, 29 Sep 2021 15:04:22 -0700 Subject: [PATCH] imx: ventana: fix USB hub reset Remove board_ehci_hcd_init function that is not used with DM_USB and replace its functionality with device-tree configuraton that treats USB HUB RST# as a gpio enable for the usbh1 vbus regulator. Signed-off-by: Tim Harvey --- arch/arm/dts/imx6qdl-gw53xx.dtsi | 11 ++++++++++- arch/arm/dts/imx6qdl-gw54xx.dtsi | 11 ++++++++++- arch/arm/dts/imx6qdl-gw552x.dtsi | 21 +++++++++++++++++++- arch/arm/dts/imx6qdl-gw560x.dtsi | 3 ++- arch/arm/dts/imx6qdl-gw5904.dtsi | 11 ++++++++++- arch/arm/dts/imx6qdl-gw5912.dtsi | 11 ++++++++++- board/gateworks/gw_ventana/gw_ventana.c | 35 --------------------------------- 7 files changed, 62 insertions(+), 41 deletions(-) diff --git a/arch/arm/dts/imx6qdl-gw53xx.dtsi b/arch/arm/dts/imx6qdl-gw53xx.dtsi index 904b228..77ac103 100644 --- a/arch/arm/dts/imx6qdl-gw53xx.dtsi +++ b/arch/arm/dts/imx6qdl-gw53xx.dtsi @@ -137,7 +137,8 @@ regulator-name = "usb_h1_vbus"; regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; - regulator-always-on; + gpio = <&gpio1 9 GPIO_ACTIVE_HIGH>; + enable-active-high; }; reg_usb_otg_vbus: regulator-usb-otg-vbus { @@ -550,6 +551,8 @@ &usbh1 { vbus-supply = <®_usb_h1_vbus>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usbh1>; status = "okay"; }; @@ -720,6 +723,12 @@ >; }; + pinctrl_usbh1: usbh1grp { + fsl,pins = < + MX6QDL_PAD_GPIO_9__GPIO1_IO09 0x1b0b0 + >; + }; + pinctrl_usbotg: usbotggrp { fsl,pins = < MX6QDL_PAD_GPIO_1__USB_OTG_ID 0x17059 diff --git a/arch/arm/dts/imx6qdl-gw54xx.dtsi b/arch/arm/dts/imx6qdl-gw54xx.dtsi index ffed4fb..98c81e9 100644 --- a/arch/arm/dts/imx6qdl-gw54xx.dtsi +++ b/arch/arm/dts/imx6qdl-gw54xx.dtsi @@ -146,7 +146,8 @@ regulator-name = "usb_h1_vbus"; regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; - regulator-always-on; + gpio = <&gpio1 16 GPIO_ACTIVE_HIGH>; + enable-active-high; }; reg_usb_otg_vbus: regulator@3 { @@ -620,6 +621,8 @@ &usbh1 { vbus-supply = <®_usb_h1_vbus>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usbh1>; status = "okay"; }; @@ -815,6 +818,12 @@ >; }; + pinctrl_usbh1: usbh1grp { + fsl,pins = < + MX6QDL_PAD_SD1_DAT0__GPIO1_IO16 0x1b0b0 + >; + }; + pinctrl_usbotg: usbotggrp { fsl,pins = < MX6QDL_PAD_GPIO_1__USB_OTG_ID 0x17059 diff --git a/arch/arm/dts/imx6qdl-gw552x.dtsi b/arch/arm/dts/imx6qdl-gw552x.dtsi index f6742e5..b853399 100644 --- a/arch/arm/dts/imx6qdl-gw552x.dtsi +++ b/arch/arm/dts/imx6qdl-gw552x.dtsi @@ -121,6 +121,15 @@ regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; }; + + reg_usb_h1_vbus: regulator-usbh1-vbus { + compatible = "regulator-fixed"; + regulator-name = "usb_h1_vbus"; + regulator-min-microvolt = <5000000>; + regulator-max-microvolt = <5000000>; + gpio = <&gpio1 9 GPIO_ACTIVE_HIGH>; + enable-active-high; + }; }; &gpmi { @@ -390,9 +399,13 @@ &uart5 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_uart5>; - status = "okay"; }; + status = "okay"; +}; &usbh1 { + vbus-supply = <®_usb_h1_vbus>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usbh1>; status = "okay"; }; @@ -507,6 +520,12 @@ >; }; + pinctrl_usbh1: usbh1grp { + fsl,pins = < + MX6QDL_PAD_GPIO_9__GPIO1_IO09 0x1b0b0 + >; + }; + pinctrl_usbotg: usbotggrp { fsl,pins = < MX6QDL_PAD_ENET_RX_ER__USB_OTG_ID 0x13059 diff --git a/arch/arm/dts/imx6qdl-gw560x.dtsi b/arch/arm/dts/imx6qdl-gw560x.dtsi index 5da1975..1e95267 100644 --- a/arch/arm/dts/imx6qdl-gw560x.dtsi +++ b/arch/arm/dts/imx6qdl-gw560x.dtsi @@ -221,7 +221,8 @@ regulator-name = "usb_h1_vbus"; regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; - regulator-always-on; + gpio = <&gpio1 9 GPIO_ACTIVE_HIGH>; + enable-active-high; }; reg_usb_otg_vbus: regulator-usb-otg-vbus { diff --git a/arch/arm/dts/imx6qdl-gw5904.dtsi b/arch/arm/dts/imx6qdl-gw5904.dtsi index b5ed2d8..286c7a9 100644 --- a/arch/arm/dts/imx6qdl-gw5904.dtsi +++ b/arch/arm/dts/imx6qdl-gw5904.dtsi @@ -176,7 +176,8 @@ regulator-name = "usb_h1_vbus"; regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; - regulator-always-on; + gpio = <&gpio1 9 GPIO_ACTIVE_HIGH>; + enable-active-high; }; reg_usb_otg_vbus: regulator-usb-otg-vbus { @@ -593,6 +594,8 @@ &usbh1 { vbus-supply = <®_usb_h1_vbus>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usbotg>; status = "okay"; }; @@ -753,6 +756,12 @@ >; }; + pinctrl_usbh1: usbh1grp { + fsl,pins = < + MX6QDL_PAD_GPIO_9__GPIO1_IO09 0x1b0b0 + >; + }; + pinctrl_usbotg: usbotggrp { fsl,pins = < MX6QDL_PAD_GPIO_1__USB_OTG_ID 0x17059 diff --git a/arch/arm/dts/imx6qdl-gw5912.dtsi b/arch/arm/dts/imx6qdl-gw5912.dtsi index 2537288..8fd8fdb 100644 --- a/arch/arm/dts/imx6qdl-gw5912.dtsi +++ b/arch/arm/dts/imx6qdl-gw5912.dtsi @@ -120,7 +120,8 @@ regulator-name = "usb_vbus"; regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; - regulator-always-on; + gpio = <&gpio4 5 GPIO_ACTIVE_HIGH>; + enable-active-high; }; }; @@ -380,6 +381,8 @@ &usbh1 { vbus-supply = <®_usb_vbus>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_usbh1>; status = "okay"; }; @@ -560,6 +563,12 @@ >; }; + pinctrl_usbh1: usbh1grp { + fsl,pins = < + MX6QDL_PAD_GPIO_19__GPIO4_IO05 0x1b0b0 + >; + }; + pinctrl_usbotg: usbotggrp { fsl,pins = < MX6QDL_PAD_GPIO_1__USB_OTG_ID 0x13059 diff --git a/board/gateworks/gw_ventana/gw_ventana.c b/board/gateworks/gw_ventana/gw_ventana.c index 1c82bd5..8cf7914 100644 --- a/board/gateworks/gw_ventana/gw_ventana.c +++ b/board/gateworks/gw_ventana/gw_ventana.c @@ -39,41 +39,6 @@ DECLARE_GLOBAL_DATA_PTR; struct ventana_board_info ventana_info; static int board_type; -#ifdef CONFIG_USB_EHCI_MX6 -/* toggle USB_HUB_RST# for boards that have it; it is not defined in dt */ -int board_ehci_hcd_init(int port) -{ - int gpio; - - /* USB HUB is always on P1 */ - if (port == 0) - return 0; - - /* Reset USB HUB */ - switch (board_type) { - case GW53xx: - case GW552x: - case GW5906: - gpio = (IMX_GPIO_NR(1, 9)); - break; - case GW54proto: - case GW54xx: - gpio = (IMX_GPIO_NR(1, 16)); - break; - default: - return 0; - } - - /* request and toggle hub rst */ - gpio_request(gpio, "usb_hub_rst#"); - gpio_direction_output(gpio, 0); - mdelay(2); - gpio_set_value(gpio, 1); - - return 0; -} -#endif /* CONFIG_USB_EHCI_MX6 */ - /* configure eth0 PHY board-specific LED behavior */ int board_phy_config(struct phy_device *phydev) { -- 2.7.4