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imx: ventana: fix USB hub reset

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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 <tharvey@gateworks.com>
This commit is contained in:
Tim Harvey 2021-09-29 15:04:22 -07:00 committed by Stefano Babic
parent 397d697fd4
commit 073b105e79
7 changed files with 62 additions and 41 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

11
arch/arm/dts/imx6qdl-gw53xx.dtsi
View file

@ -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 = <&reg_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

11
arch/arm/dts/imx6qdl-gw54xx.dtsi
View file

@ -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 = <&reg_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

21
arch/arm/dts/imx6qdl-gw552x.dtsi
View file

@ -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 = <&reg_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

3
arch/arm/dts/imx6qdl-gw560x.dtsi
View file

@ -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 {

11
arch/arm/dts/imx6qdl-gw5904.dtsi
View file

@ -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 = <&reg_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

11
arch/arm/dts/imx6qdl-gw5912.dtsi
View file

@ -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 = <&reg_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

35
board/gateworks/gw_ventana/gw_ventana.c
View file

@ -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)
{