Commit 37cfdaf7 authored by Ivan T. Ivanov's avatar Ivan T. Ivanov Committed by Felipe Balbi

usb: phy: msm: Move global regulators variables to driver state

Eliminating global variables allows driver to handle multiple
device instances.
Signed-off-by: default avatarIvan T. Ivanov <iivanov@mm-sol.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 0d092fdb
...@@ -58,47 +58,43 @@ ...@@ -58,47 +58,43 @@
#define USB_PHY_VDD_DIG_VOL_MIN 1000000 /* uV */ #define USB_PHY_VDD_DIG_VOL_MIN 1000000 /* uV */
#define USB_PHY_VDD_DIG_VOL_MAX 1320000 /* uV */ #define USB_PHY_VDD_DIG_VOL_MAX 1320000 /* uV */
static struct regulator *hsusb_3p3;
static struct regulator *hsusb_1p8;
static struct regulator *hsusb_vddcx;
static int msm_hsusb_init_vddcx(struct msm_otg *motg, int init) static int msm_hsusb_init_vddcx(struct msm_otg *motg, int init)
{ {
int ret = 0; int ret = 0;
if (init) { if (init) {
hsusb_vddcx = regulator_get(motg->phy.dev, "HSUSB_VDDCX"); motg->vddcx = regulator_get(motg->phy.dev, "HSUSB_VDDCX");
if (IS_ERR(hsusb_vddcx)) { if (IS_ERR(motg->vddcx)) {
dev_err(motg->phy.dev, "unable to get hsusb vddcx\n"); dev_err(motg->phy.dev, "unable to get hsusb vddcx\n");
return PTR_ERR(hsusb_vddcx); return PTR_ERR(motg->vddcx);
} }
ret = regulator_set_voltage(hsusb_vddcx, ret = regulator_set_voltage(motg->vddcx,
USB_PHY_VDD_DIG_VOL_MIN, USB_PHY_VDD_DIG_VOL_MIN,
USB_PHY_VDD_DIG_VOL_MAX); USB_PHY_VDD_DIG_VOL_MAX);
if (ret) { if (ret) {
dev_err(motg->phy.dev, "unable to set the voltage " dev_err(motg->phy.dev, "unable to set the voltage "
"for hsusb vddcx\n"); "for hsusb vddcx\n");
regulator_put(hsusb_vddcx); regulator_put(motg->vddcx);
return ret; return ret;
} }
ret = regulator_enable(hsusb_vddcx); ret = regulator_enable(motg->vddcx);
if (ret) { if (ret) {
dev_err(motg->phy.dev, "unable to enable hsusb vddcx\n"); dev_err(motg->phy.dev, "unable to enable hsusb vddcx\n");
regulator_put(hsusb_vddcx); regulator_put(motg->vddcx);
} }
} else { } else {
ret = regulator_set_voltage(hsusb_vddcx, 0, ret = regulator_set_voltage(motg->vddcx, 0,
USB_PHY_VDD_DIG_VOL_MAX); USB_PHY_VDD_DIG_VOL_MAX);
if (ret) if (ret)
dev_err(motg->phy.dev, "unable to set the voltage " dev_err(motg->phy.dev, "unable to set the voltage "
"for hsusb vddcx\n"); "for hsusb vddcx\n");
ret = regulator_disable(hsusb_vddcx); ret = regulator_disable(motg->vddcx);
if (ret) if (ret)
dev_err(motg->phy.dev, "unable to disable hsusb vddcx\n"); dev_err(motg->phy.dev, "unable to disable hsusb vddcx\n");
regulator_put(hsusb_vddcx); regulator_put(motg->vddcx);
} }
return ret; return ret;
...@@ -109,38 +105,38 @@ static int msm_hsusb_ldo_init(struct msm_otg *motg, int init) ...@@ -109,38 +105,38 @@ static int msm_hsusb_ldo_init(struct msm_otg *motg, int init)
int rc = 0; int rc = 0;
if (init) { if (init) {
hsusb_3p3 = regulator_get(motg->phy.dev, "HSUSB_3p3"); motg->v3p3 = regulator_get(motg->phy.dev, "HSUSB_3p3");
if (IS_ERR(hsusb_3p3)) { if (IS_ERR(motg->v3p3)) {
dev_err(motg->phy.dev, "unable to get hsusb 3p3\n"); dev_err(motg->phy.dev, "unable to get hsusb 3p3\n");
return PTR_ERR(hsusb_3p3); return PTR_ERR(motg->v3p3);
} }
rc = regulator_set_voltage(hsusb_3p3, USB_PHY_3P3_VOL_MIN, rc = regulator_set_voltage(motg->v3p3, USB_PHY_3P3_VOL_MIN,
USB_PHY_3P3_VOL_MAX); USB_PHY_3P3_VOL_MAX);
if (rc) { if (rc) {
dev_err(motg->phy.dev, "unable to set voltage level " dev_err(motg->phy.dev, "unable to set voltage level "
"for hsusb 3p3\n"); "for hsusb 3p3\n");
goto put_3p3; goto put_3p3;
} }
rc = regulator_enable(hsusb_3p3); rc = regulator_enable(motg->v3p3);
if (rc) { if (rc) {
dev_err(motg->phy.dev, "unable to enable the hsusb 3p3\n"); dev_err(motg->phy.dev, "unable to enable the hsusb 3p3\n");
goto put_3p3; goto put_3p3;
} }
hsusb_1p8 = regulator_get(motg->phy.dev, "HSUSB_1p8"); motg->v1p8 = regulator_get(motg->phy.dev, "HSUSB_1p8");
if (IS_ERR(hsusb_1p8)) { if (IS_ERR(motg->v1p8)) {
dev_err(motg->phy.dev, "unable to get hsusb 1p8\n"); dev_err(motg->phy.dev, "unable to get hsusb 1p8\n");
rc = PTR_ERR(hsusb_1p8); rc = PTR_ERR(motg->v1p8);
goto disable_3p3; goto disable_3p3;
} }
rc = regulator_set_voltage(hsusb_1p8, USB_PHY_1P8_VOL_MIN, rc = regulator_set_voltage(motg->v1p8, USB_PHY_1P8_VOL_MIN,
USB_PHY_1P8_VOL_MAX); USB_PHY_1P8_VOL_MAX);
if (rc) { if (rc) {
dev_err(motg->phy.dev, "unable to set voltage level " dev_err(motg->phy.dev, "unable to set voltage level "
"for hsusb 1p8\n"); "for hsusb 1p8\n");
goto put_1p8; goto put_1p8;
} }
rc = regulator_enable(hsusb_1p8); rc = regulator_enable(motg->v1p8);
if (rc) { if (rc) {
dev_err(motg->phy.dev, "unable to enable the hsusb 1p8\n"); dev_err(motg->phy.dev, "unable to enable the hsusb 1p8\n");
goto put_1p8; goto put_1p8;
...@@ -149,54 +145,54 @@ static int msm_hsusb_ldo_init(struct msm_otg *motg, int init) ...@@ -149,54 +145,54 @@ static int msm_hsusb_ldo_init(struct msm_otg *motg, int init)
return 0; return 0;
} }
regulator_disable(hsusb_1p8); regulator_disable(motg->v1p8);
put_1p8: put_1p8:
regulator_put(hsusb_1p8); regulator_put(motg->v1p8);
disable_3p3: disable_3p3:
regulator_disable(hsusb_3p3); regulator_disable(motg->v3p3);
put_3p3: put_3p3:
regulator_put(hsusb_3p3); regulator_put(motg->v3p3);
return rc; return rc;
} }
static int msm_hsusb_ldo_set_mode(int on) static int msm_hsusb_ldo_set_mode(struct msm_otg *motg, int on)
{ {
int ret = 0; int ret = 0;
if (!hsusb_1p8 || IS_ERR(hsusb_1p8)) { if (!motg->v1p8 || IS_ERR(motg->v1p8)) {
pr_err("%s: HSUSB_1p8 is not initialized\n", __func__); pr_err("%s: HSUSB_1p8 is not initialized\n", __func__);
return -ENODEV; return -ENODEV;
} }
if (!hsusb_3p3 || IS_ERR(hsusb_3p3)) { if (!motg->v3p3 || IS_ERR(motg->v3p3)) {
pr_err("%s: HSUSB_3p3 is not initialized\n", __func__); pr_err("%s: HSUSB_3p3 is not initialized\n", __func__);
return -ENODEV; return -ENODEV;
} }
if (on) { if (on) {
ret = regulator_set_optimum_mode(hsusb_1p8, ret = regulator_set_optimum_mode(motg->v1p8,
USB_PHY_1P8_HPM_LOAD); USB_PHY_1P8_HPM_LOAD);
if (ret < 0) { if (ret < 0) {
pr_err("%s: Unable to set HPM of the regulator " pr_err("%s: Unable to set HPM of the regulator "
"HSUSB_1p8\n", __func__); "HSUSB_1p8\n", __func__);
return ret; return ret;
} }
ret = regulator_set_optimum_mode(hsusb_3p3, ret = regulator_set_optimum_mode(motg->v3p3,
USB_PHY_3P3_HPM_LOAD); USB_PHY_3P3_HPM_LOAD);
if (ret < 0) { if (ret < 0) {
pr_err("%s: Unable to set HPM of the regulator " pr_err("%s: Unable to set HPM of the regulator "
"HSUSB_3p3\n", __func__); "HSUSB_3p3\n", __func__);
regulator_set_optimum_mode(hsusb_1p8, regulator_set_optimum_mode(motg->v1p8,
USB_PHY_1P8_LPM_LOAD); USB_PHY_1P8_LPM_LOAD);
return ret; return ret;
} }
} else { } else {
ret = regulator_set_optimum_mode(hsusb_1p8, ret = regulator_set_optimum_mode(motg->v1p8,
USB_PHY_1P8_LPM_LOAD); USB_PHY_1P8_LPM_LOAD);
if (ret < 0) if (ret < 0)
pr_err("%s: Unable to set LPM of the regulator " pr_err("%s: Unable to set LPM of the regulator "
"HSUSB_1p8\n", __func__); "HSUSB_1p8\n", __func__);
ret = regulator_set_optimum_mode(hsusb_3p3, ret = regulator_set_optimum_mode(motg->v3p3,
USB_PHY_3P3_LPM_LOAD); USB_PHY_3P3_LPM_LOAD);
if (ret < 0) if (ret < 0)
pr_err("%s: Unable to set LPM of the regulator " pr_err("%s: Unable to set LPM of the regulator "
...@@ -417,7 +413,7 @@ static int msm_otg_reset(struct usb_phy *phy) ...@@ -417,7 +413,7 @@ static int msm_otg_reset(struct usb_phy *phy)
#ifdef CONFIG_PM #ifdef CONFIG_PM
#define USB_PHY_SUSP_DIG_VOL 500000 #define USB_PHY_SUSP_DIG_VOL 500000
static int msm_hsusb_config_vddcx(int high) static int msm_hsusb_config_vddcx(struct msm_otg *motg, int high)
{ {
int max_vol = USB_PHY_VDD_DIG_VOL_MAX; int max_vol = USB_PHY_VDD_DIG_VOL_MAX;
int min_vol; int min_vol;
...@@ -428,7 +424,7 @@ static int msm_hsusb_config_vddcx(int high) ...@@ -428,7 +424,7 @@ static int msm_hsusb_config_vddcx(int high)
else else
min_vol = USB_PHY_SUSP_DIG_VOL; min_vol = USB_PHY_SUSP_DIG_VOL;
ret = regulator_set_voltage(hsusb_vddcx, min_vol, max_vol); ret = regulator_set_voltage(motg->vddcx, min_vol, max_vol);
if (ret) { if (ret) {
pr_err("%s: unable to set the voltage for regulator " pr_err("%s: unable to set the voltage for regulator "
"HSUSB_VDDCX\n", __func__); "HSUSB_VDDCX\n", __func__);
...@@ -518,8 +514,8 @@ static int msm_otg_suspend(struct msm_otg *motg) ...@@ -518,8 +514,8 @@ static int msm_otg_suspend(struct msm_otg *motg)
if (motg->pdata->phy_type == SNPS_28NM_INTEGRATED_PHY && if (motg->pdata->phy_type == SNPS_28NM_INTEGRATED_PHY &&
motg->pdata->otg_control == OTG_PMIC_CONTROL) { motg->pdata->otg_control == OTG_PMIC_CONTROL) {
msm_hsusb_ldo_set_mode(0); msm_hsusb_ldo_set_mode(motg, 0);
msm_hsusb_config_vddcx(0); msm_hsusb_config_vddcx(motg, 0);
} }
if (device_may_wakeup(phy->dev)) if (device_may_wakeup(phy->dev))
...@@ -555,8 +551,8 @@ static int msm_otg_resume(struct msm_otg *motg) ...@@ -555,8 +551,8 @@ static int msm_otg_resume(struct msm_otg *motg)
if (motg->pdata->phy_type == SNPS_28NM_INTEGRATED_PHY && if (motg->pdata->phy_type == SNPS_28NM_INTEGRATED_PHY &&
motg->pdata->otg_control == OTG_PMIC_CONTROL) { motg->pdata->otg_control == OTG_PMIC_CONTROL) {
msm_hsusb_ldo_set_mode(1); msm_hsusb_ldo_set_mode(motg, 1);
msm_hsusb_config_vddcx(1); msm_hsusb_config_vddcx(motg, 1);
writel(readl(USB_PHY_CTRL) & ~PHY_RETEN, USB_PHY_CTRL); writel(readl(USB_PHY_CTRL) & ~PHY_RETEN, USB_PHY_CTRL);
} }
...@@ -1521,7 +1517,7 @@ static int __init msm_otg_probe(struct platform_device *pdev) ...@@ -1521,7 +1517,7 @@ static int __init msm_otg_probe(struct platform_device *pdev)
dev_err(&pdev->dev, "hsusb vreg configuration failed\n"); dev_err(&pdev->dev, "hsusb vreg configuration failed\n");
goto vddcx_exit; goto vddcx_exit;
} }
ret = msm_hsusb_ldo_set_mode(1); ret = msm_hsusb_ldo_set_mode(motg, 1);
if (ret) { if (ret) {
dev_err(&pdev->dev, "hsusb vreg enable failed\n"); dev_err(&pdev->dev, "hsusb vreg enable failed\n");
goto ldo_exit; goto ldo_exit;
......
...@@ -183,6 +183,9 @@ struct msm_otg { ...@@ -183,6 +183,9 @@ struct msm_otg {
enum usb_chg_state chg_state; enum usb_chg_state chg_state;
enum usb_chg_type chg_type; enum usb_chg_type chg_type;
u8 dcd_retries; u8 dcd_retries;
struct regulator *v3p3;
struct regulator *v1p8;
struct regulator *vddcx;
}; };
#endif #endif
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