From f7e00d81bca720a5a5b073d614982b2f57f7da71 Mon Sep 17 00:00:00 2001 From: Linus Walleij Date: Sun, 18 Apr 2021 00:37:37 +0200 Subject: gemini: Bump to kernel v5.10 Only two patches against mainline remains. Switch to v5.10 which works very nicely with all Gemini devices. Signed-off-by: Linus Walleij [backported don't disable option CONFIG_BPF_SYSCAL] Signed-off-by: Christian Lamparter --- ...b-host-fotg2-add-Gemini-specific-handling.patch | 131 +++++++++++++++++++++ 1 file changed, 131 insertions(+) create mode 100644 target/linux/gemini/patches-5.10/0001-usb-host-fotg2-add-Gemini-specific-handling.patch (limited to 'target/linux/gemini/patches-5.10/0001-usb-host-fotg2-add-Gemini-specific-handling.patch') diff --git a/target/linux/gemini/patches-5.10/0001-usb-host-fotg2-add-Gemini-specific-handling.patch b/target/linux/gemini/patches-5.10/0001-usb-host-fotg2-add-Gemini-specific-handling.patch new file mode 100644 index 0000000000..657956a760 --- /dev/null +++ b/target/linux/gemini/patches-5.10/0001-usb-host-fotg2-add-Gemini-specific-handling.patch @@ -0,0 +1,131 @@ +From ff887de2f7af17d6264eb946f6b336e6e1521222 Mon Sep 17 00:00:00 2001 +From: Linus Walleij +Date: Fri, 21 Apr 2017 22:19:00 +0200 +Subject: [PATCH 1/2] usb: host: fotg2: add Gemini-specific handling + +The Cortina Systems Gemini has bolted on a PHY inside the +silicon that can be handled by six bits in a MISC register in +the system controller. + +If we are running on Gemini, look up a syscon regmap through +a phandle and enable VBUS and optionally the Mini-B connector. + +If the device is flagged as "wakeup-source" using the standard +DT bindings, we also enable this in the global controller for +respective port. + +Signed-off-by: Linus Walleij +--- + drivers/usb/host/Kconfig | 1 + + drivers/usb/host/fotg210-hcd.c | 76 ++++++++++++++++++++++++++++++++++ + 2 files changed, 77 insertions(+) + +--- a/drivers/usb/host/Kconfig ++++ b/drivers/usb/host/Kconfig +@@ -392,6 +392,7 @@ config USB_ISP1362_HCD + config USB_FOTG210_HCD + tristate "FOTG210 HCD support" + depends on USB && HAS_DMA && HAS_IOMEM ++ select MFD_SYSCON + help + Faraday FOTG210 is an OTG controller which can be configured as + an USB2.0 host. It is designed to meet USB2.0 EHCI specification +--- a/drivers/usb/host/fotg210-hcd.c ++++ b/drivers/usb/host/fotg210-hcd.c +@@ -34,6 +34,10 @@ + #include + #include + #include ++#include ++/* For Cortina Gemini */ ++#include ++#include + + #include + #include +@@ -5556,6 +5560,72 @@ static void fotg210_init(struct fotg210_ + } + + /* ++ * Gemini-specific initialization function, only executed on the ++ * Gemini SoC using the global misc control register. ++ */ ++#define GEMINI_GLOBAL_MISC_CTRL 0x30 ++#define GEMINI_MISC_USB0_WAKEUP BIT(14) ++#define GEMINI_MISC_USB1_WAKEUP BIT(15) ++#define GEMINI_MISC_USB0_VBUS_ON BIT(22) ++#define GEMINI_MISC_USB1_VBUS_ON BIT(23) ++#define GEMINI_MISC_USB0_MINI_B BIT(29) ++#define GEMINI_MISC_USB1_MINI_B BIT(30) ++ ++static int fotg210_gemini_init(struct device *dev, struct usb_hcd *hcd) ++{ ++ struct device_node *np = dev->of_node; ++ struct regmap *map; ++ bool mini_b; ++ bool wakeup; ++ u32 mask, val; ++ int ret; ++ ++ map = syscon_regmap_lookup_by_phandle(np, "syscon"); ++ if (IS_ERR(map)) { ++ dev_err(dev, "no syscon\n"); ++ return PTR_ERR(map); ++ } ++ mini_b = of_property_read_bool(np, "cortina,gemini-mini-b"); ++ wakeup = of_property_read_bool(np, "wakeup-source"); ++ ++ /* ++ * Figure out if this is USB0 or USB1 by simply checking the ++ * physical base address. ++ */ ++ mask = 0; ++ if (hcd->rsrc_start == 0x69000000) { ++ val = GEMINI_MISC_USB1_VBUS_ON; ++ if (mini_b) ++ val |= GEMINI_MISC_USB1_MINI_B; ++ else ++ mask |= GEMINI_MISC_USB1_MINI_B; ++ if (wakeup) ++ val |= GEMINI_MISC_USB1_WAKEUP; ++ else ++ mask |= GEMINI_MISC_USB1_WAKEUP; ++ } else { ++ val = GEMINI_MISC_USB0_VBUS_ON; ++ if (mini_b) ++ val |= GEMINI_MISC_USB0_MINI_B; ++ else ++ mask |= GEMINI_MISC_USB0_MINI_B; ++ if (wakeup) ++ val |= GEMINI_MISC_USB0_WAKEUP; ++ else ++ mask |= GEMINI_MISC_USB0_WAKEUP; ++ } ++ ++ ret = regmap_update_bits(map, GEMINI_GLOBAL_MISC_CTRL, mask, val); ++ if (ret) { ++ dev_err(dev, "failed to initialize Gemini PHY\n"); ++ return ret; ++ } ++ ++ dev_info(dev, "initialized Gemini PHY\n"); ++ return 0; ++} ++ ++/** + * fotg210_hcd_probe - initialize faraday FOTG210 HCDs + * + * Allocates basic resources for this USB host controller, and +@@ -5632,6 +5702,12 @@ static int fotg210_hcd_probe(struct plat + + fotg210_init(fotg210); + ++ if (of_device_is_compatible(dev->of_node, "cortina,gemini-usb")) { ++ retval = fotg210_gemini_init(dev, hcd); ++ if (retval) ++ goto failed_dis_clk; ++ } ++ + retval = usb_add_hcd(hcd, irq, IRQF_SHARED); + if (retval) { + dev_err(dev, "failed to add hcd with err %d\n", retval); -- cgit v1.2.3