drivers/misc/hisi_hikey_usb.c

100

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

drivers/misc/hisi_hikey_usb.c

103

mutex_lock(&hisi_hikey_usb->lock);

drivers/misc/hisi_hikey_usb.c

104

switch (hisi_hikey_usb->role) {

drivers/misc/hisi_hikey_usb.c

106

usb_typec_power_ctrl(hisi_hikey_usb, TYPEC_VBUS_POWER_OFF);

drivers/misc/hisi_hikey_usb.c

107

usb_switch_ctrl(hisi_hikey_usb, USB_SWITCH_TO_HUB);

drivers/misc/hisi_hikey_usb.c

108

hub_power_ctrl(hisi_hikey_usb, HUB_VBUS_POWER_ON);

drivers/misc/hisi_hikey_usb.c

111

hub_power_ctrl(hisi_hikey_usb, HUB_VBUS_POWER_OFF);

drivers/misc/hisi_hikey_usb.c

112

usb_switch_ctrl(hisi_hikey_usb, USB_SWITCH_TO_TYPEC);

drivers/misc/hisi_hikey_usb.c

113

usb_typec_power_ctrl(hisi_hikey_usb, TYPEC_VBUS_POWER_ON);

drivers/misc/hisi_hikey_usb.c

116

hub_power_ctrl(hisi_hikey_usb, HUB_VBUS_POWER_OFF);

drivers/misc/hisi_hikey_usb.c

117

usb_typec_power_ctrl(hisi_hikey_usb, TYPEC_VBUS_POWER_OFF);

drivers/misc/hisi_hikey_usb.c

118

usb_switch_ctrl(hisi_hikey_usb, USB_SWITCH_TO_TYPEC);

drivers/misc/hisi_hikey_usb.c

123

sw = hisi_hikey_usb->dev_role_sw;

drivers/misc/hisi_hikey_usb.c

124

role = hisi_hikey_usb->role;

drivers/misc/hisi_hikey_usb.c

125

mutex_unlock(&hisi_hikey_usb->lock);

drivers/misc/hisi_hikey_usb.c

132

struct hisi_hikey_usb *hisi_hikey_usb = usb_role_switch_get_drvdata(sw);

drivers/misc/hisi_hikey_usb.c

134

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

drivers/misc/hisi_hikey_usb.c

137

mutex_lock(&hisi_hikey_usb->lock);

drivers/misc/hisi_hikey_usb.c

138

hisi_hikey_usb->role = role;

drivers/misc/hisi_hikey_usb.c

139

mutex_unlock(&hisi_hikey_usb->lock);

drivers/misc/hisi_hikey_usb.c

141

schedule_work(&hisi_hikey_usb->work);

drivers/misc/hisi_hikey_usb.c

147

struct hisi_hikey_usb *hisi_hikey_usb)

drivers/misc/hisi_hikey_usb.c

155

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

drivers/misc/hisi_hikey_usb.c

157

if (IS_ERR(hisi_hikey_usb->otg_switch)) {

drivers/misc/hisi_hikey_usb.c

159

PTR_ERR(hisi_hikey_usb->otg_switch));

drivers/misc/hisi_hikey_usb.c

160

return PTR_ERR(hisi_hikey_usb->otg_switch);

drivers/misc/hisi_hikey_usb.c

163

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

drivers/misc/hisi_hikey_usb.c

165

if (IS_ERR(hisi_hikey_usb->typec_vbus)) {

drivers/misc/hisi_hikey_usb.c

167

PTR_ERR(hisi_hikey_usb->typec_vbus));

drivers/misc/hisi_hikey_usb.c

168

return PTR_ERR(hisi_hikey_usb->typec_vbus);

drivers/misc/hisi_hikey_usb.c

171

hisi_hikey_usb->reset = devm_gpiod_get_optional(dev,

drivers/misc/hisi_hikey_usb.c

174

if (IS_ERR(hisi_hikey_usb->reset)) {

drivers/misc/hisi_hikey_usb.c

176

PTR_ERR(hisi_hikey_usb->reset));

drivers/misc/hisi_hikey_usb.c

177

return PTR_ERR(hisi_hikey_usb->reset);

drivers/misc/hisi_hikey_usb.c

180

hisi_hikey_usb->dev_role_sw = usb_role_switch_get(dev);

drivers/misc/hisi_hikey_usb.c

181

if (!hisi_hikey_usb->dev_role_sw)

drivers/misc/hisi_hikey_usb.c

183

if (IS_ERR(hisi_hikey_usb->dev_role_sw)) {

drivers/misc/hisi_hikey_usb.c

185

PTR_ERR(hisi_hikey_usb->dev_role_sw));

drivers/misc/hisi_hikey_usb.c

186

return PTR_ERR(hisi_hikey_usb->dev_role_sw);

drivers/misc/hisi_hikey_usb.c

189

INIT_WORK(&hisi_hikey_usb->work, relay_set_role_switch);

drivers/misc/hisi_hikey_usb.c

193

hub_role_switch.driver_data = hisi_hikey_usb;

drivers/misc/hisi_hikey_usb.c

195

hisi_hikey_usb->hub_role_sw = usb_role_switch_register(dev,

drivers/misc/hisi_hikey_usb.c

198

if (IS_ERR(hisi_hikey_usb->hub_role_sw)) {

drivers/misc/hisi_hikey_usb.c

201

PTR_ERR(hisi_hikey_usb->hub_role_sw));

drivers/misc/hisi_hikey_usb.c

202

usb_role_switch_put(hisi_hikey_usb->dev_role_sw);

drivers/misc/hisi_hikey_usb.c

203

return PTR_ERR(hisi_hikey_usb->hub_role_sw);

drivers/misc/hisi_hikey_usb.c

212

struct hisi_hikey_usb *hisi_hikey_usb;

drivers/misc/hisi_hikey_usb.c

215

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

drivers/misc/hisi_hikey_usb.c

216

if (!hisi_hikey_usb)

drivers/misc/hisi_hikey_usb.c

219

hisi_hikey_usb->dev = &pdev->dev;

drivers/misc/hisi_hikey_usb.c

220

mutex_init(&hisi_hikey_usb->lock);

drivers/misc/hisi_hikey_usb.c

222

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

drivers/misc/hisi_hikey_usb.c

223

if (IS_ERR(hisi_hikey_usb->regulator)) {

drivers/misc/hisi_hikey_usb.c

224

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

drivers/misc/hisi_hikey_usb.c

226

return PTR_ERR(hisi_hikey_usb->regulator);

drivers/misc/hisi_hikey_usb.c

229

PTR_ERR(hisi_hikey_usb->regulator));

drivers/misc/hisi_hikey_usb.c

230

return PTR_ERR(hisi_hikey_usb->regulator);

drivers/misc/hisi_hikey_usb.c

233

ret = hisi_hikey_usb_of_role_switch(pdev, hisi_hikey_usb);

drivers/misc/hisi_hikey_usb.c

237

platform_set_drvdata(pdev, hisi_hikey_usb);

drivers/misc/hisi_hikey_usb.c

244

struct hisi_hikey_usb *hisi_hikey_usb = platform_get_drvdata(pdev);

drivers/misc/hisi_hikey_usb.c

246

if (hisi_hikey_usb->hub_role_sw) {

drivers/misc/hisi_hikey_usb.c

247

usb_role_switch_unregister(hisi_hikey_usb->hub_role_sw);

drivers/misc/hisi_hikey_usb.c

249

if (hisi_hikey_usb->dev_role_sw)

drivers/misc/hisi_hikey_usb.c

250

usb_role_switch_put(hisi_hikey_usb->dev_role_sw);

drivers/misc/hisi_hikey_usb.c

252

hub_power_ctrl(hisi_hikey_usb, HUB_VBUS_POWER_OFF);

drivers/misc/hisi_hikey_usb.c

52

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

drivers/misc/hisi_hikey_usb.c

56

if (!hisi_hikey_usb->regulator)

drivers/misc/hisi_hikey_usb.c

59

status = regulator_is_enabled(hisi_hikey_usb->regulator);

drivers/misc/hisi_hikey_usb.c

64

ret = regulator_enable(hisi_hikey_usb->regulator);

drivers/misc/hisi_hikey_usb.c

66

ret = regulator_disable(hisi_hikey_usb->regulator);

drivers/misc/hisi_hikey_usb.c

69

dev_err(hisi_hikey_usb->dev,

drivers/misc/hisi_hikey_usb.c

74

static void usb_switch_ctrl(struct hisi_hikey_usb *hisi_hikey_usb,

drivers/misc/hisi_hikey_usb.c

77

if (!hisi_hikey_usb->otg_switch)

drivers/misc/hisi_hikey_usb.c

80

gpiod_set_value_cansleep(hisi_hikey_usb->otg_switch, switch_to);

drivers/misc/hisi_hikey_usb.c

83

static void usb_typec_power_ctrl(struct hisi_hikey_usb *hisi_hikey_usb,

drivers/misc/hisi_hikey_usb.c

86

if (!hisi_hikey_usb->typec_vbus)

drivers/misc/hisi_hikey_usb.c

89

gpiod_set_value_cansleep(hisi_hikey_usb->typec_vbus, value);

drivers/misc/hisi_hikey_usb.c

94

struct hisi_hikey_usb *hisi_hikey_usb = container_of(work,

drivers/misc/hisi_hikey_usb.c

95

struct hisi_hikey_usb,