diff options
Diffstat (limited to 'target/linux/ar71xx/patches-4.4/920-usb-chipidea-AR933x-platform-support.patch')
| -rw-r--r-- | target/linux/ar71xx/patches-4.4/920-usb-chipidea-AR933x-platform-support.patch | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/target/linux/ar71xx/patches-4.4/920-usb-chipidea-AR933x-platform-support.patch b/target/linux/ar71xx/patches-4.4/920-usb-chipidea-AR933x-platform-support.patch new file mode 100644 index 0000000000..41eb7f2895 --- /dev/null +++ b/target/linux/ar71xx/patches-4.4/920-usb-chipidea-AR933x-platform-support.patch @@ -0,0 +1,99 @@ +Index: linux-4.4.4/arch/mips/include/asm/mach-ath79/ar71xx_regs.h +=================================================================== +--- linux-4.4.4.orig/arch/mips/include/asm/mach-ath79/ar71xx_regs.h 2016-03-31 21:43:10.595132564 +0300 ++++ linux-4.4.4/arch/mips/include/asm/mach-ath79/ar71xx_regs.h 2016-03-31 21:56:21.463152017 +0300 +@@ -641,6 +641,7 @@ + + #define AR933X_BOOTSTRAP_MDIO_GPIO_EN BIT(18) + #define AR933X_BOOTSTRAP_EEPBUSY BIT(4) ++#define AR933X_BOOTSTRAP_USB_MODE_HOST BIT(3) + #define AR933X_BOOTSTRAP_REF_CLK_40 BIT(0) + + #define AR934X_BOOTSTRAP_SW_OPTION8 BIT(23) +@@ -670,6 +671,8 @@ + + #define QCA956X_BOOTSTRAP_REF_CLK_40 BIT(2) + ++#define AR933X_USB_CONFIG_HOST_ONLY BIT(8) ++ + #define AR934X_PCIE_WMAC_INT_WMAC_MISC BIT(0) + #define AR934X_PCIE_WMAC_INT_WMAC_TX BIT(1) + #define AR934X_PCIE_WMAC_INT_WMAC_RXLP BIT(2) +Index: linux-4.4.4/arch/mips/ath79/dev-usb.c +=================================================================== +--- linux-4.4.4.orig/arch/mips/ath79/dev-usb.c 2016-03-31 21:43:10.407132560 +0300 ++++ linux-4.4.4/arch/mips/ath79/dev-usb.c 2016-03-31 21:43:10.707132567 +0300 +@@ -19,6 +19,9 @@ + #include <linux/platform_device.h> + #include <linux/usb/ehci_pdriver.h> + #include <linux/usb/ohci_pdriver.h> ++#include <linux/usb/otg.h> ++#include <linux/usb/chipidea.h> ++#include <linux/usb/usb_phy_generic.h> + + #include <asm/mach-ath79/ath79.h> + #include <asm/mach-ath79/ar71xx_regs.h> +@@ -170,6 +173,54 @@ + &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2)); + } + ++static void __init ar933x_usb_setup_ctrl_config(void) ++{ ++ void __iomem *usb_ctrl_base, *usb_config_reg; ++ u32 usb_config; ++ ++ usb_ctrl_base = ioremap(AR71XX_USB_CTRL_BASE, AR71XX_USB_CTRL_SIZE); ++ usb_config_reg = usb_ctrl_base + AR71XX_USB_CTRL_REG_CONFIG; ++ usb_config = __raw_readl(usb_config_reg); ++ usb_config &= ~AR933X_USB_CONFIG_HOST_ONLY; ++ __raw_writel(usb_config, usb_config_reg); ++ iounmap(usb_ctrl_base); ++} ++ ++static void __init ar933x_ci_usb_setup(void) ++{ ++ u32 bootstrap; ++ enum usb_dr_mode dr_mode; ++ struct ci_hdrc_platform_data ci_pdata; ++ struct platform_device *phy; ++ ++ bootstrap = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP); ++ if (bootstrap & AR933X_BOOTSTRAP_USB_MODE_HOST) { ++ dr_mode = USB_DR_MODE_HOST; ++ } else { ++ dr_mode = USB_DR_MODE_PERIPHERAL; ++ ar933x_usb_setup_ctrl_config(); ++ } ++ ++ memset(&ci_pdata, 0, sizeof(ci_pdata)); ++ ci_pdata.name = "ci_hdrc_ar933x"; ++ ci_pdata.capoffset = DEF_CAPOFFSET; ++ ci_pdata.dr_mode = dr_mode; ++ ci_pdata.flags = CI_HDRC_DUAL_ROLE_NOT_OTG | CI_HDRC_DP_ALWAYS_PULLUP; ++ ci_pdata.vbus_extcon.edev = ERR_PTR(-ENODEV); ++ ci_pdata.id_extcon.edev = ERR_PTR(-ENODEV); ++ ci_pdata.itc_setting = 1; ++ ++ /* register a nop PHY */ ++ phy = usb_phy_generic_register(); ++ if (IS_ERR(phy)) ++ return; ++ ++ ath79_usb_register("ci_hdrc", -1, ++ AR933X_EHCI_BASE, AR933X_EHCI_SIZE, ++ ATH79_CPU_IRQ(3), ++ &ci_pdata, sizeof(ci_pdata)); ++} ++ + static void __init ar933x_usb_setup(void) + { + ath79_device_reset_set(AR933X_RESET_USBSUS_OVERRIDE); +@@ -185,6 +236,8 @@ + AR933X_EHCI_BASE, AR933X_EHCI_SIZE, + ATH79_CPU_IRQ(3), + &ath79_ehci_pdata_v2, sizeof(ath79_ehci_pdata_v2)); ++ ++ ar933x_ci_usb_setup(); + } + + static void enable_tx_tx_idp_violation_fix(unsigned base) |