Now clock and reset drivers are available for respective SoC's so use clk and reset ops on phy driver.
Cc: Marek Vasut marex@denx.de Signed-off-by: Jagan Teki jagan@amarulasolutions.com --- drivers/phy/allwinner/phy-sun4i-usb.c | 63 ++++++++++++++++++--------- 1 file changed, 42 insertions(+), 21 deletions(-)
diff --git a/drivers/phy/allwinner/phy-sun4i-usb.c b/drivers/phy/allwinner/phy-sun4i-usb.c index 81fcd1f910..36db435e37 100644 --- a/drivers/phy/allwinner/phy-sun4i-usb.c +++ b/drivers/phy/allwinner/phy-sun4i-usb.c @@ -11,10 +11,12 @@ */
#include <common.h> +#include <clk.h> #include <dm.h> #include <dm/device.h> #include <generic-phy.h> #include <phy-sun4i-usb.h> +#include <reset.h> #include <asm/gpio.h> #include <asm/io.h> #include <asm/arch/clock.h> @@ -88,38 +90,26 @@ struct sun4i_usb_phy_info { const char *gpio_vbus; const char *gpio_vbus_det; const char *gpio_id_det; - int rst_mask; } phy_info[] = { { .gpio_vbus = CONFIG_USB0_VBUS_PIN, .gpio_vbus_det = CONFIG_USB0_VBUS_DET, .gpio_id_det = CONFIG_USB0_ID_DET, - .rst_mask = (CCM_USB_CTRL_PHY0_RST | CCM_USB_CTRL_PHY0_CLK), }, { .gpio_vbus = CONFIG_USB1_VBUS_PIN, .gpio_vbus_det = NULL, .gpio_id_det = NULL, - .rst_mask = (CCM_USB_CTRL_PHY1_RST | CCM_USB_CTRL_PHY1_CLK), }, { .gpio_vbus = CONFIG_USB2_VBUS_PIN, .gpio_vbus_det = NULL, .gpio_id_det = NULL, -#ifdef CONFIG_MACH_SUN8I_A83T - .rst_mask = (CCM_USB_CTRL_HSIC_RST | CCM_USB_CTRL_HSIC_CLK | - CCM_USB_CTRL_12M_CLK), -#else - .rst_mask = (CCM_USB_CTRL_PHY2_RST | CCM_USB_CTRL_PHY2_CLK), -#endif }, { .gpio_vbus = CONFIG_USB3_VBUS_PIN, .gpio_vbus_det = NULL, .gpio_id_det = NULL, -#ifdef CONFIG_MACH_SUNXI_H3_H5 - .rst_mask = (CCM_USB_CTRL_PHY3_RST | CCM_USB_CTRL_PHY3_CLK), -#endif }, };
@@ -129,13 +119,13 @@ struct sun4i_usb_phy_plat { int gpio_vbus; int gpio_vbus_det; int gpio_id_det; - int rst_mask; + struct clk clocks; + struct reset_ctl resets; int id; };
struct sun4i_usb_phy_data { void __iomem *base; - struct sunxi_ccm_reg *ccm; const struct sun4i_usb_phy_cfg *cfg; struct sun4i_usb_phy_plat *usb_phy; }; @@ -269,8 +259,19 @@ static int sun4i_usb_phy_init(struct phy *phy) struct sun4i_usb_phy_data *data = dev_get_priv(phy->dev); struct sun4i_usb_phy_plat *usb_phy = &data->usb_phy[phy->id]; u32 val; + int ret;
- setbits_le32(&data->ccm->usb_clk_cfg, usb_phy->rst_mask); + ret = clk_enable(&usb_phy->clocks); + if (ret) { + dev_err(dev, "failed to enable usb_%ldphy clock\n", phy->id); + return ret; + } + + ret = reset_deassert(&usb_phy->resets); + if (ret) { + dev_err(dev, "failed to deassert usb_%ldreset reset\n", phy->id); + return ret; + }
if (data->cfg->type == sun8i_a83t_phy) { if (phy->id == 0) { @@ -311,6 +312,7 @@ static int sun4i_usb_phy_exit(struct phy *phy) { struct sun4i_usb_phy_data *data = dev_get_priv(phy->dev); struct sun4i_usb_phy_plat *usb_phy = &data->usb_phy[phy->id]; + int ret;
if (phy->id == 0) { if (data->cfg->type == sun8i_a83t_phy) { @@ -323,7 +325,17 @@ static int sun4i_usb_phy_exit(struct phy *phy)
sun4i_usb_phy_passby(phy, false);
- clrbits_le32(&data->ccm->usb_clk_cfg, usb_phy->rst_mask); + ret = clk_disable(&usb_phy->clocks); + if (ret) { + dev_err(dev, "failed to disable usb_%ldphy clock\n", phy->id); + return ret; + } + + ret = reset_assert(&usb_phy->resets); + if (ret) { + dev_err(dev, "failed to assert usb_%ldreset reset\n", phy->id); + return ret; + }
return 0; } @@ -410,10 +422,6 @@ static int sun4i_usb_phy_probe(struct udevice *dev) if (IS_ERR(data->base)) return PTR_ERR(data->base);
- data->ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; - if (IS_ERR(data->ccm)) - return PTR_ERR(data->ccm); - data->usb_phy = plat; for (i = 0; i < data->cfg->num_phys; i++) { struct sun4i_usb_phy_plat *phy = &plat[i]; @@ -451,6 +459,20 @@ static int sun4i_usb_phy_probe(struct udevice *dev) sunxi_gpio_set_pull(phy->gpio_id_det, SUNXI_GPIO_PULL_UP); }
+ snprintf(name, sizeof(name), "usb%d_phy", i); + ret = clk_get_by_name(dev, name, &phy->clocks); + if (ret) { + dev_err(dev, "failed to get usb%d_phy clock phandle\n", i); + return ret; + } + + snprintf(name, sizeof(name), "usb%d_reset", i); + ret = reset_get_by_name(dev, name, &phy->resets); + if (ret) { + dev_err(dev, "failed to get usb%d_reset reset phandle\n", i); + return ret; + } + if (i || data->cfg->phy0_dual_route) { snprintf(name, sizeof(name), "pmu%d", i); phy->pmu = (void __iomem *)devfdt_get_addr_name(dev, name); @@ -459,7 +481,6 @@ static int sun4i_usb_phy_probe(struct udevice *dev) }
phy->id = i; - phy->rst_mask = info->rst_mask; };
debug("Allwinner Sun4I USB PHY driver loaded\n");