From: Lubomir Rintel <lkundrak@v3.sk>
To: Eric Miao <eric.y.miao@gmail.com>,
Haojian Zhuang <haojian.zhuang@gmail.com>
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Russell King <linux@armlinux.org.uk>,
Robert Jarzmik <robert.jarzmik@free.fr>,
Lubomir Rintel <lkundrak@v3.sk>
Subject: [PATCH v3 18/18] USB: gadget: mv-udc: use phy-pxa-usb
Date: Mon, 12 Nov 2018 04:20:27 +0100 [thread overview]
Message-ID: <20181112032027.653931-19-lkundrak@v3.sk> (raw)
In-Reply-To: <20181112032027.653931-1-lkundrak@v3.sk>
Use a proper PHY driver, instead of hooks to a board support package.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
---
arch/arm/mach-mmp/devices.c | 11 +-------
drivers/usb/gadget/udc/mv_udc.h | 7 ++++-
drivers/usb/gadget/udc/mv_udc_core.c | 38 ++++++++--------------------
3 files changed, 17 insertions(+), 39 deletions(-)
diff --git a/arch/arm/mach-mmp/devices.c b/arch/arm/mach-mmp/devices.c
index eb9b3c34e90a..d925be9f14a9 100644
--- a/arch/arm/mach-mmp/devices.c
+++ b/arch/arm/mach-mmp/devices.c
@@ -263,21 +263,12 @@ struct platform_device pxa168_device_usb_phy = {
#if IS_ENABLED(CONFIG_USB_MV_UDC)
struct resource pxa168_u2o_resources[] = {
- /* regbase */
[0] = {
- .start = PXA168_U2O_REGBASE + U2x_CAPREGS_OFFSET,
+ .start = PXA168_U2O_REGBASE,
.end = PXA168_U2O_REGBASE + USB_REG_RANGE,
.flags = IORESOURCE_MEM,
- .name = "capregs",
},
- /* phybase */
[1] = {
- .start = PXA168_U2O_PHYBASE,
- .end = PXA168_U2O_PHYBASE + USB_PHY_RANGE,
- .flags = IORESOURCE_MEM,
- .name = "phyregs",
- },
- [2] = {
.start = IRQ_PXA168_USB1,
.end = IRQ_PXA168_USB1,
.flags = IORESOURCE_IRQ,
diff --git a/drivers/usb/gadget/udc/mv_udc.h b/drivers/usb/gadget/udc/mv_udc.h
index b3f759c0962c..6f04f432964d 100644
--- a/drivers/usb/gadget/udc/mv_udc.h
+++ b/drivers/usb/gadget/udc/mv_udc.h
@@ -6,6 +6,9 @@
#ifndef __MV_UDC_H
#define __MV_UDC_H
+/* registers */
+#define U2x_CAPREGS_OFFSET 0x100
+
#define VUSBHS_MAX_PORTS 8
#define DQH_ALIGNMENT 2048
@@ -174,9 +177,9 @@ struct mv_udc {
struct platform_device *dev;
int irq;
+ void __iomem *base;
struct mv_cap_regs __iomem *cap_regs;
struct mv_op_regs __iomem *op_regs;
- void __iomem *phy_regs;
unsigned int max_eps;
struct mv_dqh *ep_dqh;
size_t ep_dqh_size;
@@ -219,6 +222,8 @@ struct mv_udc {
/* some SOC has mutiple clock sources for USB*/
struct clk *clk;
+
+ struct phy *phy;
};
/* endpoint data structure */
diff --git a/drivers/usb/gadget/udc/mv_udc_core.c b/drivers/usb/gadget/udc/mv_udc_core.c
index cafde053788b..35b0bde2d46f 100644
--- a/drivers/usb/gadget/udc/mv_udc_core.c
+++ b/drivers/usb/gadget/udc/mv_udc_core.c
@@ -1069,14 +1069,11 @@ static int mv_udc_enable_internal(struct mv_udc *udc)
if (retval)
return retval;
- if (udc->pdata->phy_init) {
- retval = udc->pdata->phy_init(udc->phy_regs);
- if (retval) {
- dev_err(&udc->dev->dev,
- "init phy error %d\n", retval);
- udc_clock_disable(udc);
- return retval;
- }
+ retval = phy_init(udc->phy);
+ if (retval) {
+ dev_err(&udc->dev->dev, "init phy error %d\n", retval);
+ udc_clock_disable(udc);
+ return retval;
}
udc->active = 1;
@@ -1095,8 +1092,7 @@ static void mv_udc_disable_internal(struct mv_udc *udc)
{
if (udc->active) {
dev_dbg(&udc->dev->dev, "disable udc\n");
- if (udc->pdata->phy_deinit)
- udc->pdata->phy_deinit(udc->phy_regs);
+ phy_exit(udc->phy);
udc_clock_disable(udc);
udc->active = 0;
}
@@ -2147,30 +2143,16 @@ static int mv_udc_probe(struct platform_device *pdev)
if (IS_ERR(udc->clk))
return PTR_ERR(udc->clk);
- r = platform_get_resource_byname(udc->dev, IORESOURCE_MEM, "capregs");
+ r = platform_get_resource(udc->dev, IORESOURCE_MEM, 0);
if (r == NULL) {
dev_err(&pdev->dev, "no I/O memory resource defined\n");
return -ENODEV;
}
- udc->cap_regs = (struct mv_cap_regs __iomem *)
- devm_ioremap(&pdev->dev, r->start, resource_size(r));
- if (udc->cap_regs == NULL) {
- dev_err(&pdev->dev, "failed to map I/O memory\n");
- return -EBUSY;
- }
-
- r = platform_get_resource_byname(udc->dev, IORESOURCE_MEM, "phyregs");
- if (r == NULL) {
- dev_err(&pdev->dev, "no phy I/O memory resource defined\n");
- return -ENODEV;
- }
+ udc->base = devm_ioremap(&pdev->dev, r->start, resource_size(r));
- udc->phy_regs = devm_ioremap(&pdev->dev, r->start, resource_size(r));
- if (udc->phy_regs == NULL) {
- dev_err(&pdev->dev, "failed to map phy I/O memory\n");
- return -EBUSY;
- }
+ udc->cap_regs =
+ (void __iomem *) ((unsigned long)udc->base + U2x_CAPREGS_OFFSET);
/* we will acces controller register, so enable the clk */
retval = mv_udc_enable_internal(udc);
--
2.19.1
prev parent reply other threads:[~2018-11-12 3:21 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-11-12 3:20 [PATCH v3 00/18] MMP platform fixes Lubomir Rintel
2018-11-12 3:20 ` [PATCH v3 01/18] dt-bindings: mrvl,mmp-timer: add clock Lubomir Rintel
2018-11-12 3:20 ` [PATCH v3 02/18] DT: marvell,mmp2: fix the gpio interrupt cell number Lubomir Rintel
2018-11-12 3:20 ` [PATCH v3 03/18] DT: marvell,mmp2: give gpio node a name Lubomir Rintel
2018-11-12 3:20 ` [PATCH v3 04/18] DT: marvell,mmp2: add clock to the timer Lubomir Rintel
2018-11-12 3:20 ` [PATCH v3 05/18] DT: marvell,mmp2: add MMC controllers Lubomir Rintel
2018-11-12 3:20 ` [PATCH v3 06/18] DT: marvell,mmp2: fix TWSI2 Lubomir Rintel
2018-11-12 3:20 ` [PATCH v3 07/18] DT: marvell,mmp2: add more TWSI controllers Lubomir Rintel
2018-11-12 3:20 ` [PATCH v3 08/18] DT: marvell,mmp2: add OTG PHY Lubomir Rintel
2018-11-12 3:20 ` [PATCH v3 09/18] DT: marvell,mmp2: add USB OTG host controller Lubomir Rintel
2018-11-12 3:20 ` [PATCH v3 10/18] irqchip/mmp: only touch the PJ4 & FIQ bits on enable/disable Lubomir Rintel
2018-11-12 3:20 ` [PATCH v3 11/18] gpio: pxa: avoid attempting to set pin direction via pinctrl on MMP2 Lubomir Rintel
2018-11-12 3:20 ` [PATCH v3 12/18] ARM: mmp/mmp2: use cpu_is_pj4() instead of cpu_is_mmp2() Lubomir Rintel
2018-11-12 3:20 ` [PATCH v3 13/18] ARM: mmp2: initialize clocks before the timer Lubomir Rintel
2018-11-12 3:20 ` [PATCH v3 14/18] ARM: mmp/mmp2: dt: enable the clock Lubomir Rintel
2018-11-12 3:20 ` [PATCH v3 15/18] ARM: mmp: add a pxa-usb-phy device Lubomir Rintel
2018-11-12 3:20 ` [PATCH v3 16/18] ARM: mmp: add an instance of pxa-usb-phy to ttc_dkb and aspenite Lubomir Rintel
2018-11-12 3:20 ` [PATCH v3 17/18] USB: phy-mv-usb: use phy-pxa-usb Lubomir Rintel
2018-11-13 17:02 ` Robert Jarzmik
2018-11-12 3:20 ` Lubomir Rintel [this message]
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