drivers/misc/hisi_hikey_usb.c

102

mutex_lock(&hisi_hikey_usb->lock);

drivers/misc/hisi_hikey_usb.c

103

switch (hisi_hikey_usb->role) {

drivers/misc/hisi_hikey_usb.c

105

usb_typec_power_ctrl(hisi_hikey_usb, TYPEC_VBUS_POWER_OFF);

drivers/misc/hisi_hikey_usb.c

106

usb_switch_ctrl(hisi_hikey_usb, USB_SWITCH_TO_HUB);

drivers/misc/hisi_hikey_usb.c

107

hub_power_ctrl(hisi_hikey_usb, HUB_VBUS_POWER_ON);

drivers/misc/hisi_hikey_usb.c

110

hub_power_ctrl(hisi_hikey_usb, HUB_VBUS_POWER_OFF);

drivers/misc/hisi_hikey_usb.c

111

usb_switch_ctrl(hisi_hikey_usb, USB_SWITCH_TO_TYPEC);

drivers/misc/hisi_hikey_usb.c

112

usb_typec_power_ctrl(hisi_hikey_usb, TYPEC_VBUS_POWER_ON);

drivers/misc/hisi_hikey_usb.c

115

hub_power_ctrl(hisi_hikey_usb, HUB_VBUS_POWER_OFF);

drivers/misc/hisi_hikey_usb.c

116

usb_typec_power_ctrl(hisi_hikey_usb, TYPEC_VBUS_POWER_OFF);

drivers/misc/hisi_hikey_usb.c

117

usb_switch_ctrl(hisi_hikey_usb, USB_SWITCH_TO_TYPEC);

drivers/misc/hisi_hikey_usb.c

122

sw = hisi_hikey_usb->dev_role_sw;

drivers/misc/hisi_hikey_usb.c

123

role = hisi_hikey_usb->role;

drivers/misc/hisi_hikey_usb.c

124

mutex_unlock(&hisi_hikey_usb->lock);

drivers/misc/hisi_hikey_usb.c

131

struct hisi_hikey_usb *hisi_hikey_usb = usb_role_switch_get_drvdata(sw);

drivers/misc/hisi_hikey_usb.c

133

if (!hisi_hikey_usb || !hisi_hikey_usb->dev_role_sw)

drivers/misc/hisi_hikey_usb.c

136

mutex_lock(&hisi_hikey_usb->lock);

drivers/misc/hisi_hikey_usb.c

137

hisi_hikey_usb->role = role;

drivers/misc/hisi_hikey_usb.c

138

mutex_unlock(&hisi_hikey_usb->lock);

drivers/misc/hisi_hikey_usb.c

140

schedule_work(&hisi_hikey_usb->work);

drivers/misc/hisi_hikey_usb.c

146

struct hisi_hikey_usb *hisi_hikey_usb)

drivers/misc/hisi_hikey_usb.c

154

hisi_hikey_usb->otg_switch = devm_gpiod_get(dev, "otg-switch",

drivers/misc/hisi_hikey_usb.c

156

if (IS_ERR(hisi_hikey_usb->otg_switch)) {

drivers/misc/hisi_hikey_usb.c

158

PTR_ERR(hisi_hikey_usb->otg_switch));

drivers/misc/hisi_hikey_usb.c

159

return PTR_ERR(hisi_hikey_usb->otg_switch);

drivers/misc/hisi_hikey_usb.c

162

hisi_hikey_usb->typec_vbus = devm_gpiod_get(dev, "typec-vbus",

drivers/misc/hisi_hikey_usb.c

164

if (IS_ERR(hisi_hikey_usb->typec_vbus)) {

drivers/misc/hisi_hikey_usb.c

166

PTR_ERR(hisi_hikey_usb->typec_vbus));

drivers/misc/hisi_hikey_usb.c

167

return PTR_ERR(hisi_hikey_usb->typec_vbus);

drivers/misc/hisi_hikey_usb.c

170

hisi_hikey_usb->reset = devm_gpiod_get_optional(dev,

drivers/misc/hisi_hikey_usb.c

173

if (IS_ERR(hisi_hikey_usb->reset)) {

drivers/misc/hisi_hikey_usb.c

175

PTR_ERR(hisi_hikey_usb->reset));

drivers/misc/hisi_hikey_usb.c

176

return PTR_ERR(hisi_hikey_usb->reset);

drivers/misc/hisi_hikey_usb.c

179

hisi_hikey_usb->dev_role_sw = usb_role_switch_get(dev);

drivers/misc/hisi_hikey_usb.c

180

if (!hisi_hikey_usb->dev_role_sw)

drivers/misc/hisi_hikey_usb.c

182

if (IS_ERR(hisi_hikey_usb->dev_role_sw)) {

drivers/misc/hisi_hikey_usb.c

184

PTR_ERR(hisi_hikey_usb->dev_role_sw));

drivers/misc/hisi_hikey_usb.c

185

return PTR_ERR(hisi_hikey_usb->dev_role_sw);

drivers/misc/hisi_hikey_usb.c

188

INIT_WORK(&hisi_hikey_usb->work, relay_set_role_switch);

drivers/misc/hisi_hikey_usb.c

192

hub_role_switch.driver_data = hisi_hikey_usb;

drivers/misc/hisi_hikey_usb.c

194

hisi_hikey_usb->hub_role_sw = usb_role_switch_register(dev,

drivers/misc/hisi_hikey_usb.c

197

if (IS_ERR(hisi_hikey_usb->hub_role_sw)) {

drivers/misc/hisi_hikey_usb.c

200

PTR_ERR(hisi_hikey_usb->hub_role_sw));

drivers/misc/hisi_hikey_usb.c

201

usb_role_switch_put(hisi_hikey_usb->dev_role_sw);

drivers/misc/hisi_hikey_usb.c

202

return PTR_ERR(hisi_hikey_usb->hub_role_sw);

drivers/misc/hisi_hikey_usb.c

211

struct hisi_hikey_usb *hisi_hikey_usb;

drivers/misc/hisi_hikey_usb.c

214

hisi_hikey_usb = devm_kzalloc(dev, sizeof(*hisi_hikey_usb), GFP_KERNEL);

drivers/misc/hisi_hikey_usb.c

215

if (!hisi_hikey_usb)

drivers/misc/hisi_hikey_usb.c

218

hisi_hikey_usb->dev = &pdev->dev;

drivers/misc/hisi_hikey_usb.c

219

mutex_init(&hisi_hikey_usb->lock);

drivers/misc/hisi_hikey_usb.c

221

hisi_hikey_usb->regulator = devm_regulator_get(dev, "hub-vdd");

drivers/misc/hisi_hikey_usb.c

222

if (IS_ERR(hisi_hikey_usb->regulator)) {

drivers/misc/hisi_hikey_usb.c

223

if (PTR_ERR(hisi_hikey_usb->regulator) == -EPROBE_DEFER) {

drivers/misc/hisi_hikey_usb.c

225

return PTR_ERR(hisi_hikey_usb->regulator);

drivers/misc/hisi_hikey_usb.c

228

PTR_ERR(hisi_hikey_usb->regulator));

drivers/misc/hisi_hikey_usb.c

229

return PTR_ERR(hisi_hikey_usb->regulator);

drivers/misc/hisi_hikey_usb.c

232

ret = hisi_hikey_usb_of_role_switch(pdev, hisi_hikey_usb);

drivers/misc/hisi_hikey_usb.c

236

platform_set_drvdata(pdev, hisi_hikey_usb);

drivers/misc/hisi_hikey_usb.c

243

struct hisi_hikey_usb *hisi_hikey_usb = platform_get_drvdata(pdev);

drivers/misc/hisi_hikey_usb.c

245

if (hisi_hikey_usb->hub_role_sw) {

drivers/misc/hisi_hikey_usb.c

246

usb_role_switch_unregister(hisi_hikey_usb->hub_role_sw);

drivers/misc/hisi_hikey_usb.c

248

if (hisi_hikey_usb->dev_role_sw)

drivers/misc/hisi_hikey_usb.c

249

usb_role_switch_put(hisi_hikey_usb->dev_role_sw);

drivers/misc/hisi_hikey_usb.c

251

hub_power_ctrl(hisi_hikey_usb, HUB_VBUS_POWER_OFF);

drivers/misc/hisi_hikey_usb.c

51

static void hub_power_ctrl(struct hisi_hikey_usb *hisi_hikey_usb, int value)

drivers/misc/hisi_hikey_usb.c

55

if (!hisi_hikey_usb->regulator)

drivers/misc/hisi_hikey_usb.c

58

status = regulator_is_enabled(hisi_hikey_usb->regulator);

drivers/misc/hisi_hikey_usb.c

63

ret = regulator_enable(hisi_hikey_usb->regulator);

drivers/misc/hisi_hikey_usb.c

65

ret = regulator_disable(hisi_hikey_usb->regulator);

drivers/misc/hisi_hikey_usb.c

68

dev_err(hisi_hikey_usb->dev,

drivers/misc/hisi_hikey_usb.c

73

static void usb_switch_ctrl(struct hisi_hikey_usb *hisi_hikey_usb,

drivers/misc/hisi_hikey_usb.c

76

if (!hisi_hikey_usb->otg_switch)

drivers/misc/hisi_hikey_usb.c

79

gpiod_set_value_cansleep(hisi_hikey_usb->otg_switch, switch_to);

drivers/misc/hisi_hikey_usb.c

82

static void usb_typec_power_ctrl(struct hisi_hikey_usb *hisi_hikey_usb,

drivers/misc/hisi_hikey_usb.c

85

if (!hisi_hikey_usb->typec_vbus)

drivers/misc/hisi_hikey_usb.c

88

gpiod_set_value_cansleep(hisi_hikey_usb->typec_vbus, value);

drivers/misc/hisi_hikey_usb.c

93

struct hisi_hikey_usb *hisi_hikey_usb = container_of(work,

drivers/misc/hisi_hikey_usb.c

94

struct hisi_hikey_usb,

drivers/misc/hisi_hikey_usb.c

99

if (!hisi_hikey_usb || !hisi_hikey_usb->dev_role_sw)