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ODROIDC:usb: USB Hub reset control, OTG VBUS control

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Change-Id: Id5656c4f5404864d4536972beed7fa352ba77eb5
This commit is contained in:
ckkim
2014-10-23 17:58:18 +09:00
committed by Dongjin Kim
parent 35940576db
commit 7d558a4c01
3 changed files with 18 additions and 2 deletions
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3
arch/arm/boot/dts/amlogic/meson8b_odroidc.dtd
View File

@@ -742,6 +742,7 @@ void root_func(){
port-config = <0>; /** 0: default */
port-dma = <0>; /** 0: default, 1: single, 2: incr, 3: incr4, 4: incr8, 5: incr16, 6: disable*/
port-id-mode = <1>; /** 0: hardware, 1: sw_host, 2: sw_slave*/
gpio-hub-rst = "GPIOAO_4";
status = "okay";
};
@@ -767,7 +768,7 @@ void root_func(){
port-config = <0>; /** 0: default */
port-dma = <0>; /** 0: default, 1: single, 2: incr, 3: incr4, 4: incr8, 5: incr16, 6: disable*/
port-id-mode = <0>; /** 0: hardware, 1: sw_host, 2: sw_slave*/
gpio-vbus-power = "PMU";
gpio-vbus-power = "GPIOAO_5";
gpio-work-mask = <1>; /**0: work on pulldown,1:work on pullup*/
status = "okay";
};

3
arch/arm/boot/dts/amlogic/meson8b_odroidc_emmc.dtd
View File

@@ -786,6 +786,7 @@ void root_func(){
port-config = <0>; /** 0: default */
port-dma = <0>; /** 0: default, 1: single, 2: incr, 3: incr4, 4: incr8, 5: incr16, 6: disable*/
port-id-mode = <1>; /** 0: hardware, 1: sw_host, 2: sw_slave*/
gpio-hub-rst = "GPIOAO_4";
status = "okay";
};
@@ -811,7 +812,7 @@ void root_func(){
port-config = <0>; /** 0: default */
port-dma = <0>; /** 0: default, 1: single, 2: incr, 3: incr4, 4: incr8, 5: incr16, 6: disable*/
port-id-mode = <0>; /** 0: hardware, 1: sw_host, 2: sw_slave*/
gpio-vbus-power = "PMU";
gpio-vbus-power = "GPIOAO_5";
gpio-work-mask = <1>; /**0: work on pulldown,1:work on pullup*/
status = "okay";
};

14
drivers/amlogic/usb/dwc_otg/310/dwc_otg_driver.c
View File

@@ -888,6 +888,7 @@ static int dwc_otg_driver_probe(
int dma_config = USB_DMA_BURST_DEFAULT;
int gpio_work_mask =1;
int gpio_vbus_power_pin = -1;
int gpio_hub_reset = -1;
int charger_detect = 0;
int host_only_core = 0;
int pmu_apply_power = 0;
@@ -971,6 +972,19 @@ static int dwc_otg_driver_probe(
gpio_work_mask = of_read_ulong(prop,1);
}
#if defined(CONFIG_MACH_MESON8B_ODROIDC)
gpio_name = of_get_property(of_node, "gpio-hub-rst", NULL);
if(gpio_name)
{
gpio_hub_reset= amlogic_gpio_name_map_num(gpio_name);
amlogic_gpio_request(gpio_hub_reset,VBUS_POWER_GPIO_OWNER);
amlogic_gpio_direction_output(gpio_hub_reset,0,VBUS_POWER_GPIO_OWNER);
mdelay(20);
amlogic_set_value(gpio_hub_reset, 1, VBUS_POWER_GPIO_OWNER);
mdelay(20);
amlogic_gpio_free(gpio_hub_reset, VBUS_POWER_GPIO_OWNER);
}
#endif
prop = of_get_property(of_node, "host-only-core", NULL);
if(prop)
host_only_core = of_read_ulong(prop,1);