[U-Boot] [PATCH v2 3/7] sunxi: usb: Drop AXP-sepcific VBUS detection and drive logic

Paul Kocialkowski contact at paulk.fr
Sun Mar 22 18:07:10 CET 2015


VBUS detection and enable is now be used with virtual AXP GPIOs, so all the USB
code has to use GPIO in every case and let sunxi_gpio do the heavy lifting.

Signed-off-by: Paul Kocialkowski <contact at paulk.fr>
---
 arch/arm/cpu/armv7/sunxi/usbc.c | 17 ---------------
 configs/Ippo_q8h_v1_2_defconfig |  4 ++--
 configs/Ippo_q8h_v5_defconfig   |  4 ++--
 drivers/usb/musb-new/sunxi.c    | 48 ++++++++++++++++-------------------------
 4 files changed, 23 insertions(+), 50 deletions(-)

diff --git a/arch/arm/cpu/armv7/sunxi/usbc.c b/arch/arm/cpu/armv7/sunxi/usbc.c
index 14de9f9..4d8a9a1 100644
--- a/arch/arm/cpu/armv7/sunxi/usbc.c
+++ b/arch/arm/cpu/armv7/sunxi/usbc.c
@@ -80,12 +80,6 @@ static struct sunxi_usbc_hcd {
 
 static int enabled_hcd_count;
 
-static bool use_axp_drivebus(int index)
-{
-	return index == 0 &&
-	       strcmp(CONFIG_USB0_VBUS_PIN, "axp_drivebus") == 0;
-}
-
 void *sunxi_usbc_get_io_base(int index)
 {
 	switch (index) {
@@ -102,9 +96,6 @@ void *sunxi_usbc_get_io_base(int index)
 
 static int get_vbus_gpio(int index)
 {
-	if (use_axp_drivebus(index))
-		return -1;
-
 	switch (index) {
 	case 0: return sunxi_name_to_gpio(CONFIG_USB0_VBUS_PIN);
 	case 1: return sunxi_name_to_gpio(CONFIG_USB1_VBUS_PIN);
@@ -251,10 +242,6 @@ void sunxi_usbc_vbus_enable(int index)
 {
 	struct sunxi_usbc_hcd *sunxi_usbc = &sunxi_usbc_hcd[index];
 
-#ifdef AXP_DRIVEBUS
-	if (use_axp_drivebus(index))
-		axp_drivebus_enable();
-#endif
 	if (sunxi_usbc->gpio_vbus != -1)
 		gpio_direction_output(sunxi_usbc->gpio_vbus, 1);
 }
@@ -263,10 +250,6 @@ void sunxi_usbc_vbus_disable(int index)
 {
 	struct sunxi_usbc_hcd *sunxi_usbc = &sunxi_usbc_hcd[index];
 
-#ifdef AXP_DRIVEBUS
-	if (use_axp_drivebus(index))
-		axp_drivebus_disable();
-#endif
 	if (sunxi_usbc->gpio_vbus != -1)
 		gpio_direction_output(sunxi_usbc->gpio_vbus, 0);
 }
diff --git a/configs/Ippo_q8h_v1_2_defconfig b/configs/Ippo_q8h_v1_2_defconfig
index 0c88edd..e003b4c 100644
--- a/configs/Ippo_q8h_v1_2_defconfig
+++ b/configs/Ippo_q8h_v1_2_defconfig
@@ -2,8 +2,8 @@ CONFIG_SPL=y
 CONFIG_SYS_EXTRA_OPTIONS="CONS_INDEX=5"
 CONFIG_FDTFILE="sun8i-a23-ippo-q8h-v1.2.dtb"
 CONFIG_USB_MUSB_SUNXI=y
-CONFIG_USB0_VBUS_PIN="axp_drivebus"
-CONFIG_USB0_VBUS_DET="axp_vbus_detect"
+CONFIG_USB0_VBUS_PIN="AXP0-VBUS-ENABLE"
+CONFIG_USB0_VBUS_DET="AXP0-VBUS-DETECT"
 CONFIG_VIDEO_LCD_MODE="x:800,y:480,depth:18,pclk_khz:33000,le:87,ri:167,up:31,lo:13,hs:1,vs:1,sync:3,vmode:0"
 CONFIG_VIDEO_LCD_DCLK_PHASE=0
 CONFIG_VIDEO_LCD_POWER="PH7"
diff --git a/configs/Ippo_q8h_v5_defconfig b/configs/Ippo_q8h_v5_defconfig
index 16ba03b..87d898e 100644
--- a/configs/Ippo_q8h_v5_defconfig
+++ b/configs/Ippo_q8h_v5_defconfig
@@ -2,8 +2,8 @@ CONFIG_SPL=y
 CONFIG_SYS_EXTRA_OPTIONS="CONS_INDEX=5"
 CONFIG_FDTFILE="sun8i-a23-ippo-q8h-v5.dtb"
 CONFIG_USB_MUSB_SUNXI=y
-CONFIG_USB0_VBUS_PIN="axp_drivebus"
-CONFIG_USB0_VBUS_DET="axp_vbus_detect"
+CONFIG_USB0_VBUS_PIN="AXP0-VBUS-ENABLE"
+CONFIG_USB0_VBUS_DET="AXP0-VBUS-DETECT"
 CONFIG_VIDEO_LCD_MODE="x:800,y:480,depth:18,pclk_khz:33000,le:87,ri:168,up:31,lo:13,hs:1,vs:1,sync:3,vmode:0"
 CONFIG_VIDEO_LCD_DCLK_PHASE=0
 CONFIG_VIDEO_LCD_POWER="PH7"
diff --git a/drivers/usb/musb-new/sunxi.c b/drivers/usb/musb-new/sunxi.c
index 90aaec6..8049944 100644
--- a/drivers/usb/musb-new/sunxi.c
+++ b/drivers/usb/musb-new/sunxi.c
@@ -238,38 +238,28 @@ static int sunxi_musb_init(struct musb *musb)
 	if (is_host_enabled(musb)) {
 		int vbus_det = sunxi_name_to_gpio(CONFIG_USB0_VBUS_DET);
 
-#ifdef AXP_VBUS_DETECT
-		if (!strcmp(CONFIG_USB0_VBUS_DET, "axp_vbus_detect")) {
-			err = axp_get_vbus();
-			if (err < 0)
-				return err;
-		} else {
-#endif
-			if (vbus_det == -1) {
-				eprintf("Error invalid Vusb-det pin\n");
-				return -EINVAL;
-			}
-
-			err = gpio_request(vbus_det, "vbus0_det");
-			if (err)
-				return err;
-
-			err = gpio_direction_input(vbus_det);
-			if (err) {
-				gpio_free(vbus_det);
-				return err;
-			}
-
-			err = gpio_get_value(vbus_det);
-			if (err < 0) {
-				gpio_free(vbus_det);
-				return -EIO;
-			}
+		if (vbus_det == -1) {
+			eprintf("Error invalid Vusb-det pin\n");
+			return -EINVAL;
+		}
+
+		err = gpio_request(vbus_det, "vbus0_det");
+		if (err)
+			return err;
 
+		err = gpio_direction_input(vbus_det);
+		if (err) {
 			gpio_free(vbus_det);
-#ifdef AXP_VBUS_DETECT
+			return err;
 		}
-#endif
+
+		err = gpio_get_value(vbus_det);
+		if (err < 0) {
+			gpio_free(vbus_det);
+			return -EIO;
+		}
+
+		gpio_free(vbus_det);
 
 		if (err) {
 			eprintf("Error: A charger is plugged into the OTG\n");
-- 
1.9.1



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