[U-Boot] [PATCH v5 21/34] usb: sunxi: Switch to use generic-phy
Jagan Teki
jagan at amarulasolutions.com
Sat Apr 21 12:19:32 UTC 2018
Allwinner USB PHY handling can be done through driver-model
generic-phy so add the generic-phy ops to relevant places
on host and musb sunxi driver and enable them in respective
SOC's.
Signed-off-by: Jagan Teki <jagan at amarulasolutions.com>
---
arch/arm/mach-sunxi/Kconfig | 9 ++++++
drivers/usb/host/ehci-sunxi.c | 51 ++++++++++++++++++++++++---------
drivers/usb/host/ohci-sunxi.c | 53 +++++++++++++++++++++++++---------
drivers/usb/musb-new/musb_uboot.c | 3 --
drivers/usb/musb-new/sunxi.c | 60 ++++++++++++++++++++++++++++++---------
5 files changed, 133 insertions(+), 43 deletions(-)
diff --git a/arch/arm/mach-sunxi/Kconfig b/arch/arm/mach-sunxi/Kconfig
index b868f0e350..0a7bd3086a 100644
--- a/arch/arm/mach-sunxi/Kconfig
+++ b/arch/arm/mach-sunxi/Kconfig
@@ -124,6 +124,7 @@ endif
config MACH_SUNXI_H3_H5
bool
select DM_I2C
+ select PHY_SUN4I_USB
select SUNXI_DE2
select SUNXI_DRAM_DW
select SUNXI_DRAM_DW_32BIT
@@ -138,6 +139,7 @@ config MACH_SUN4I
bool "sun4i (Allwinner A10)"
select CPU_V7
select ARM_CORTEX_CPU_IS_UP
+ select PHY_SUN4I_USB
select DRAM_SUN4I
select SUNXI_GEN_SUN4I
select SUPPORT_SPL
@@ -147,6 +149,7 @@ config MACH_SUN5I
select CPU_V7
select ARM_CORTEX_CPU_IS_UP
select DRAM_SUN4I
+ select PHY_SUN4I_USB
select SUNXI_GEN_SUN4I
select SUPPORT_SPL
imply CONS_INDEX_2 if !DM_SERIAL
@@ -158,6 +161,7 @@ config MACH_SUN6I
select CPU_V7_HAS_VIRT
select ARCH_SUPPORT_PSCI
select DRAM_SUN6I
+ select PHY_SUN4I_USB
select SUN6I_P2WI
select SUN6I_PRCM
select SUNXI_GEN_SUN6I
@@ -171,6 +175,7 @@ config MACH_SUN7I
select CPU_V7_HAS_VIRT
select ARCH_SUPPORT_PSCI
select DRAM_SUN4I
+ select PHY_SUN4I_USB
select SUNXI_GEN_SUN4I
select SUPPORT_SPL
select ARMV7_BOOT_SEC_DEFAULT if OLD_SUNXI_KERNEL_COMPAT
@@ -182,6 +187,7 @@ config MACH_SUN8I_A23
select CPU_V7_HAS_VIRT
select ARCH_SUPPORT_PSCI
select DRAM_SUN8I_A23
+ select PHY_SUN4I_USB
select SUNXI_GEN_SUN6I
select SUPPORT_SPL
select ARMV7_BOOT_SEC_DEFAULT if OLD_SUNXI_KERNEL_COMPAT
@@ -194,6 +200,7 @@ config MACH_SUN8I_A33
select CPU_V7_HAS_VIRT
select ARCH_SUPPORT_PSCI
select DRAM_SUN8I_A33
+ select PHY_SUN4I_USB
select SUNXI_GEN_SUN6I
select SUPPORT_SPL
select ARMV7_BOOT_SEC_DEFAULT if OLD_SUNXI_KERNEL_COMPAT
@@ -203,6 +210,7 @@ config MACH_SUN8I_A83T
bool "sun8i (Allwinner A83T)"
select CPU_V7
select DRAM_SUN8I_A83T
+ select PHY_SUN4I_USB
select SUNXI_GEN_SUN6I
select MMC_SUNXI_HAS_NEW_MODE
select SUPPORT_SPL
@@ -253,6 +261,7 @@ config MACH_SUN50I
bool "sun50i (Allwinner A64)"
select ARM64
select DM_I2C
+ select PHY_SUN4I_USB
select SUNXI_DE2
select SUNXI_GEN_SUN6I
select SUNXI_HIGH_SRAM
diff --git a/drivers/usb/host/ehci-sunxi.c b/drivers/usb/host/ehci-sunxi.c
index ed9763c63d..38ffbc18ba 100644
--- a/drivers/usb/host/ehci-sunxi.c
+++ b/drivers/usb/host/ehci-sunxi.c
@@ -12,16 +12,14 @@
#include <common.h>
#include <asm/arch/clock.h>
-#include <asm/arch/usb_phy.h>
#include <asm/io.h>
#include <dm.h>
#include "ehci.h"
+#include <generic-phy.h>
#ifdef CONFIG_SUNXI_GEN_SUN4I
-#define BASE_DIST 0x8000
#define AHB_CLK_DIST 2
#else
-#define BASE_DIST 0x1000
#define AHB_CLK_DIST 1
#endif
@@ -29,7 +27,7 @@ struct ehci_sunxi_priv {
struct ehci_ctrl ehci;
struct sunxi_ccm_reg *ccm;
int ahb_gate_mask; /* Mask of ahb_gate0 clk gate bits for this hcd */
- int phy_index; /* Index of the usb-phy attached to this hcd */
+ struct phy phy;
};
static int ehci_usb_probe(struct udevice *dev)
@@ -39,11 +37,37 @@ static int ehci_usb_probe(struct udevice *dev)
struct ehci_hccr *hccr = (struct ehci_hccr *)devfdt_get_addr(dev);
struct ehci_hcor *hcor;
int extra_ahb_gate_mask = 0;
+ int phys, ret;
priv->ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
if (IS_ERR(priv->ccm))
return PTR_ERR(priv->ccm);
+ phys = dev_count_phandle_with_args(dev, "phys", "#phy-cells");
+ if (phys < 0) {
+ phys = 0;
+ goto no_phy;
+ }
+
+ ret = generic_phy_get_by_name(dev, "usb", &priv->phy);
+ if (ret) {
+ pr_err("failed to get %s usb PHY\n", dev->name);
+ return ret;
+ }
+
+ ret = generic_phy_init(&priv->phy);
+ if (ret) {
+ pr_err("failed to init %s USB PHY\n", dev->name);
+ return ret;
+ }
+
+ ret = generic_phy_power_on(&priv->phy);
+ if (ret) {
+ pr_err("failed to power on %s USB PHY\n", dev->name);
+ return ret;
+ }
+
+no_phy:
/*
* This should go away once we've moved to the driver model for
* clocks resp. phys.
@@ -52,10 +76,8 @@ static int ehci_usb_probe(struct udevice *dev)
#if defined(CONFIG_MACH_SUNXI_H3_H5) || defined(CONFIG_MACH_SUN50I)
extra_ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_OHCI0;
#endif
- priv->phy_index = ((uintptr_t)hccr - SUNXI_USB1_BASE) / BASE_DIST;
- priv->ahb_gate_mask <<= priv->phy_index * AHB_CLK_DIST;
- extra_ahb_gate_mask <<= priv->phy_index * AHB_CLK_DIST;
- priv->phy_index++; /* Non otg phys start at 1 */
+ priv->ahb_gate_mask <<= phys * AHB_CLK_DIST;
+ extra_ahb_gate_mask <<= phys * AHB_CLK_DIST;
setbits_le32(&priv->ccm->ahb_gate0,
priv->ahb_gate_mask | extra_ahb_gate_mask);
@@ -64,9 +86,6 @@ static int ehci_usb_probe(struct udevice *dev)
priv->ahb_gate_mask | extra_ahb_gate_mask);
#endif
- sunxi_usb_phy_init(priv->phy_index);
- sunxi_usb_phy_power_on(priv->phy_index);
-
hcor = (struct ehci_hcor *)((uintptr_t)hccr +
HC_LENGTH(ehci_readl(&hccr->cr_capbase)));
@@ -78,12 +97,18 @@ static int ehci_usb_remove(struct udevice *dev)
struct ehci_sunxi_priv *priv = dev_get_priv(dev);
int ret;
+ if (generic_phy_valid(&priv->phy)) {
+ ret = generic_phy_exit(&priv->phy);
+ if (ret) {
+ pr_err("failed to exit %s USB PHY\n", dev->name);
+ return ret;
+ }
+ }
+
ret = ehci_deregister(dev);
if (ret)
return ret;
- sunxi_usb_phy_exit(priv->phy_index);
-
#ifdef CONFIG_SUNXI_GEN_SUN6I
clrbits_le32(&priv->ccm->ahb_reset0_cfg, priv->ahb_gate_mask);
#endif
diff --git a/drivers/usb/host/ohci-sunxi.c b/drivers/usb/host/ohci-sunxi.c
index 35efa88795..a70fe2c382 100644
--- a/drivers/usb/host/ohci-sunxi.c
+++ b/drivers/usb/host/ohci-sunxi.c
@@ -11,17 +11,15 @@
#include <common.h>
#include <asm/arch/clock.h>
-#include <asm/arch/usb_phy.h>
#include <asm/io.h>
#include <dm.h>
#include <usb.h>
#include "ohci.h"
+#include <generic-phy.h>
#ifdef CONFIG_SUNXI_GEN_SUN4I
-#define BASE_DIST 0x8000
#define AHB_CLK_DIST 2
#else
-#define BASE_DIST 0x1000
#define AHB_CLK_DIST 1
#endif
@@ -30,7 +28,7 @@ struct ohci_sunxi_priv {
ohci_t ohci;
int ahb_gate_mask; /* Mask of ahb_gate0 clk gate bits for this hcd */
int usb_gate_mask; /* Mask of usb_clk_cfg clk gate bits for this hcd */
- int phy_index; /* Index of the usb-phy attached to this hcd */
+ struct phy phy;
};
static int ohci_usb_probe(struct udevice *dev)
@@ -39,11 +37,37 @@ static int ohci_usb_probe(struct udevice *dev)
struct ohci_sunxi_priv *priv = dev_get_priv(dev);
struct ohci_regs *regs = (struct ohci_regs *)devfdt_get_addr(dev);
int extra_ahb_gate_mask = 0;
+ int phys, ret;
priv->ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
if (IS_ERR(priv->ccm))
return PTR_ERR(priv->ccm);
+ phys = dev_count_phandle_with_args(dev, "phys", "#phy-cells");
+ if (phys < 0) {
+ phys = 0;
+ goto no_phy;
+ }
+
+ ret = generic_phy_get_by_name(dev, "usb", &priv->phy);
+ if (ret) {
+ pr_err("failed to get %s usb PHY\n", dev->name);
+ return ret;
+ }
+
+ ret = generic_phy_init(&priv->phy);
+ if (ret) {
+ pr_err("failed to init %s USB PHY\n", dev->name);
+ return ret;
+ }
+
+ ret = generic_phy_power_on(&priv->phy);
+ if (ret) {
+ pr_err("failed to power on %s USB PHY\n", dev->name);
+ return ret;
+ }
+
+no_phy:
bus_priv->companion = true;
/*
@@ -55,11 +79,9 @@ static int ohci_usb_probe(struct udevice *dev)
extra_ahb_gate_mask = 1 << AHB_GATE_OFFSET_USB_EHCI0;
#endif
priv->usb_gate_mask = CCM_USB_CTRL_OHCI0_CLK;
- priv->phy_index = ((uintptr_t)regs - (SUNXI_USB1_BASE + 0x400)) / BASE_DIST;
- priv->ahb_gate_mask <<= priv->phy_index * AHB_CLK_DIST;
- extra_ahb_gate_mask <<= priv->phy_index * AHB_CLK_DIST;
- priv->usb_gate_mask <<= priv->phy_index;
- priv->phy_index++; /* Non otg phys start at 1 */
+ priv->ahb_gate_mask <<= phys * AHB_CLK_DIST;
+ extra_ahb_gate_mask <<= phys * AHB_CLK_DIST;
+ priv->usb_gate_mask <<= phys;
setbits_le32(&priv->ccm->ahb_gate0,
priv->ahb_gate_mask | extra_ahb_gate_mask);
@@ -69,9 +91,6 @@ static int ohci_usb_probe(struct udevice *dev)
priv->ahb_gate_mask | extra_ahb_gate_mask);
#endif
- sunxi_usb_phy_init(priv->phy_index);
- sunxi_usb_phy_power_on(priv->phy_index);
-
return ohci_register(dev, regs);
}
@@ -80,12 +99,18 @@ static int ohci_usb_remove(struct udevice *dev)
struct ohci_sunxi_priv *priv = dev_get_priv(dev);
int ret;
+ if (generic_phy_valid(&priv->phy)) {
+ ret = generic_phy_exit(&priv->phy);
+ if (ret) {
+ pr_err("failed to exit %s USB PHY\n", dev->name);
+ return ret;
+ }
+ }
+
ret = ohci_deregister(dev);
if (ret)
return ret;
- sunxi_usb_phy_exit(priv->phy_index);
-
#ifdef CONFIG_SUNXI_GEN_SUN6I
clrbits_le32(&priv->ccm->ahb_reset0_cfg, priv->ahb_gate_mask);
#endif
diff --git a/drivers/usb/musb-new/musb_uboot.c b/drivers/usb/musb-new/musb_uboot.c
index 48242c0475..2b04fbd046 100644
--- a/drivers/usb/musb-new/musb_uboot.c
+++ b/drivers/usb/musb-new/musb_uboot.c
@@ -1,9 +1,6 @@
#include <common.h>
#include <console.h>
#include <watchdog.h>
-#ifdef CONFIG_ARCH_SUNXI
-#include <asm/arch/usb_phy.h>
-#endif
#include <linux/errno.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
diff --git a/drivers/usb/musb-new/sunxi.c b/drivers/usb/musb-new/sunxi.c
index 46a0fc3c46..ebe844cae3 100644
--- a/drivers/usb/musb-new/sunxi.c
+++ b/drivers/usb/musb-new/sunxi.c
@@ -18,10 +18,11 @@
*/
#include <common.h>
#include <dm.h>
+#include <generic-phy.h>
+#include <phy-sun4i-usb.h>
#include <asm/arch/cpu.h>
#include <asm/arch/clock.h>
#include <asm/arch/gpio.h>
-#include <asm/arch/usb_phy.h>
#include <asm-generic/gpio.h>
#include <dm/lists.h>
#include <dm/root.h>
@@ -87,6 +88,7 @@ struct sunxi_glue {
struct sunxi_ccm_reg *ccm;
struct sunxi_musb_config *cfg;
struct device dev;
+ struct phy *phy;
};
#define to_sunxi_glue(d) container_of(d, struct sunxi_glue, dev)
@@ -219,6 +221,7 @@ static bool enabled = false;
static int sunxi_musb_enable(struct musb *musb)
{
+ struct sunxi_glue *glue = to_sunxi_glue(musb->controller);
int ret;
pr_debug("%s():\n", __func__);
@@ -233,17 +236,23 @@ static int sunxi_musb_enable(struct musb *musb)
musb_writeb(musb->mregs, USBC_REG_o_VEND0, 0);
if (is_host_enabled(musb)) {
- ret = sunxi_usb_phy_vbus_detect(0);
+ ret = sun4i_usb_phy_vbus_detect(glue->phy);
if (ret == 1) {
printf("A charger is plugged into the OTG: ");
return -ENODEV;
}
- ret = sunxi_usb_phy_id_detect(0);
+
+ ret = sun4i_usb_phy_id_detect(glue->phy);
if (ret == 1) {
printf("No host cable detected: ");
return -ENODEV;
}
- sunxi_usb_phy_power_on(0); /* port power on */
+
+ ret = generic_phy_power_on(glue->phy);
+ if (ret) {
+ pr_err("failed to power on USB PHY\n");
+ return ret;
+ }
}
USBC_ForceVbusValidToHigh(musb->mregs);
@@ -254,13 +263,21 @@ static int sunxi_musb_enable(struct musb *musb)
static void sunxi_musb_disable(struct musb *musb)
{
+ struct sunxi_glue *glue = to_sunxi_glue(musb->controller);
+ int ret;
+
pr_debug("%s():\n", __func__);
if (!enabled)
return;
- if (is_host_enabled(musb))
- sunxi_usb_phy_power_off(0); /* port power off */
+ if (is_host_enabled(musb)) {
+ ret = generic_phy_power_off(glue->phy);
+ if (ret) {
+ pr_err("failed to power off USB PHY\n");
+ return;
+ }
+ }
USBC_ForceVbusValidToLow(musb->mregs);
mdelay(200); /* Wait for the current session to timeout */
@@ -271,9 +288,16 @@ static void sunxi_musb_disable(struct musb *musb)
static int sunxi_musb_init(struct musb *musb)
{
struct sunxi_glue *glue = to_sunxi_glue(musb->controller);
+ int ret;
pr_debug("%s():\n", __func__);
+ ret = generic_phy_init(glue->phy);
+ if (ret) {
+ pr_err("failed to init USB PHY\n");
+ return ret;
+ }
+
musb->isr = sunxi_musb_interrupt;
setbits_le32(&glue->ccm->ahb_gate0,
@@ -283,8 +307,6 @@ static int sunxi_musb_init(struct musb *musb)
BIT(AHB_GATE_OFFSET_USB0) | BIT(glue->cfg->rst_bit));
#endif
- sunxi_usb_phy_init(0);
-
USBC_ConfigFIFO_Base();
USBC_EnableDpDmPullUp(musb->mregs);
USBC_EnableIdPullUp(musb->mregs);
@@ -380,6 +402,7 @@ static int musb_usb_probe(struct udevice *dev)
struct usb_bus_priv *priv = dev_get_uclass_priv(dev);
struct musb_hdrc_platform_data pdata;
void *base = dev_read_addr_ptr(dev);
+ struct phy phy;
int ret;
if (!base)
@@ -393,10 +416,13 @@ static int musb_usb_probe(struct udevice *dev)
if (IS_ERR(glue->ccm))
return PTR_ERR(glue->ccm);
-#ifdef CONFIG_MACH_SUNXI_H3_H5
- glue->rst_bit = BIT(AHB_GATE_OFFSET_OTG_DEVICE);
- glue->clkgate_bit = BIT(AHB_GATE_OFFSET_OTG_DEVICE);
-#endif
+ ret = generic_phy_get_by_name(dev, "usb", &phy);
+ if (ret) {
+ pr_err("failed to get usb PHY\n");
+ return ret;
+ }
+
+ glue->phy = &phy;
priv->desc_before_addr = true;
pdata.power = 250;
@@ -426,10 +452,18 @@ static int musb_usb_remove(struct udevice *dev)
{
struct sunxi_glue *glue = dev_get_priv(dev);
struct musb_host_data *host = &glue->mdata;
+ int ret;
+
+ if (generic_phy_valid(glue->phy)) {
+ ret = generic_phy_exit(glue->phy);
+ if (ret) {
+ pr_err("failed to exit %s USB PHY\n", dev->name);
+ return ret;
+ }
+ }
musb_stop(host->host);
- sunxi_usb_phy_exit(0);
#ifdef CONFIG_SUNXI_GEN_SUN6I
clrbits_le32(&glue->ccm->ahb_reset0_cfg,
BIT(AHB_GATE_OFFSET_USB0) | BIT(glue->cfg->rst_bit));
--
2.14.3
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