Like it is done for other Rockchip SoCs, introduce a board_usb_init() function so that USB OTG can be functional on rv1108 too.
Signed-off-by: Otavio Salvador otavio@ossystems.com.br ---
Changes in v3: - rework commit log
Changes in v2: None
arch/arm/dts/rv1108.dtsi | 45 ++++++++++++++- arch/arm/mach-rockchip/Makefile | 1 + arch/arm/mach-rockchip/rv1108-board.c | 81 +++++++++++++++++++++++++++ 3 files changed, 124 insertions(+), 3 deletions(-) create mode 100644 arch/arm/mach-rockchip/rv1108-board.c
diff --git a/arch/arm/dts/rv1108.dtsi b/arch/arm/dts/rv1108.dtsi index 23a44bfaca..215d885225 100644 --- a/arch/arm/dts/rv1108.dtsi +++ b/arch/arm/dts/rv1108.dtsi @@ -121,8 +121,35 @@ };
grf: syscon@10300000 { - compatible = "rockchip,rv1108-grf", "syscon"; + compatible = "rockchip,rv1108-grf", "syscon", "simple-mfd"; reg = <0x10300000 0x1000>; + #address-cells = <1>; + #size-cells = <1>; + + u2phy: usb2-phy@100 { + compatible = "rockchip,rv1108-usb2phy"; + reg = <0x100 0x0c>; + clocks = <&cru SCLK_USBPHY>; + clock-names = "phyclk"; + #clock-cells = <0>; + clock-output-names = "usbphy"; + rockchip,usbgrf = <&usbgrf>; + status = "disabled"; + + u2phy_otg: otg-port { + interrupts = <GIC_SPI 48 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "otg-mux"; + #phy-cells = <0>; + status = "disabled"; + }; + + u2phy_host: host-port { + interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>; + interrupt-names = "linestate"; + #phy-cells = <0>; + status = "disabled"; + }; + }; };
saradc: saradc@1038c000 { @@ -141,6 +168,11 @@ reg = <0x20060000 0x1000>; };
+ usbgrf: syscon@202a0000 { + compatible = "rockchip,rv1108-usbgrf", "syscon"; + reg = <0x202a0000 0x1000>; + }; + cru: clock-controller@20200000 { compatible = "rockchip,rv1108-cru"; reg = <0x20200000 0x1000>; @@ -200,12 +232,19 @@ };
usb20_otg: usb@30180000 { - compatible = "rockchip,rv1108-usb", "rockchip,rk3288-usb", + compatible = "rockchip,rv1108-usb", "rockchip,rk3066-usb", "snps,dwc2"; reg = <0x30180000 0x40000>; interrupts = <GIC_SPI 18 IRQ_TYPE_LEVEL_HIGH>; - hnp-srp-disable; + clocks = <&cru HCLK_OTG>; + clock-names = "otg"; dr_mode = "otg"; + g-np-tx-fifo-size = <16>; + g-rx-fifo-size = <280>; + g-tx-fifo-size = <256 128 128 64 32 16>; + g-use-dma; + phys = <&u2phy_otg>; + phy-names = "usb2-phy"; status = "disabled"; };
diff --git a/arch/arm/mach-rockchip/Makefile b/arch/arm/mach-rockchip/Makefile index 05706c472a..368302e1da 100644 --- a/arch/arm/mach-rockchip/Makefile +++ b/arch/arm/mach-rockchip/Makefile @@ -33,6 +33,7 @@ obj-$(CONFIG_ROCKCHIP_RK322X) += rk322x-board.o obj-$(CONFIG_ROCKCHIP_RK3288) += rk3288-board.o obj-$(CONFIG_ROCKCHIP_RK3036) += rk3036-board.o obj-$(CONFIG_ROCKCHIP_RK3399) += rk3399-board.o +obj-$(CONFIG_ROCKCHIP_RV1108) += rv1108-board.o endif
obj-$(CONFIG_$(SPL_TPL_)RAM) += sdram_common.o diff --git a/arch/arm/mach-rockchip/rv1108-board.c b/arch/arm/mach-rockchip/rv1108-board.c new file mode 100644 index 0000000000..3412f2c063 --- /dev/null +++ b/arch/arm/mach-rockchip/rv1108-board.c @@ -0,0 +1,81 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2015 Google, Inc + */ + +#include <common.h> + +DECLARE_GLOBAL_DATA_PTR; + +#if defined(CONFIG_USB_GADGET) && defined(CONFIG_USB_GADGET_DWC2_OTG) +#include <usb.h> +#include <usb/dwc2_udc.h> + +static struct dwc2_plat_otg_data rv1108_otg_data = { + .rx_fifo_sz = 512, + .np_tx_fifo_sz = 16, + .tx_fifo_sz = 128, +}; + +int board_usb_init(int index, enum usb_init_type init) +{ + const void *blob = gd->fdt_blob; + bool matched = false; + int node, phy_node; + u32 grf_phy_offset; + const char *mode; + + /* find the usb_otg node */ + node = fdt_node_offset_by_compatible(blob, -1, "rockchip,rk3066-usb"); + while (node > 0) { + mode = fdt_getprop(blob, node, "dr_mode", NULL); + if (mode && strcmp(mode, "otg") == 0) { + matched = true; + break; + } + + node = fdt_node_offset_by_compatible(blob, node, + "rockchip,rk3066-usb"); + } + + if (!matched) { + debug("usb_otg device not found\n"); + return -ENODEV; + } + + rv1108_otg_data.regs_otg = fdtdec_get_addr(blob, node, "reg"); + + node = fdtdec_lookup_phandle(blob, node, "phys"); + if (node <= 0) { + debug("phys node not found\n"); + return -ENODEV; + } + + phy_node = fdt_parent_offset(blob, node); + if (phy_node <= 0) { + debug("usb phy node not found\n"); + return -ENODEV; + } + + rv1108_otg_data.phy_of_node = phy_node; + grf_phy_offset = fdtdec_get_addr(blob, node, "reg"); + + /* find the grf node */ + node = fdt_node_offset_by_compatible(blob, -1, + "rockchip,rv1108-grf"); + if (node <= 0) { + debug("grf node not found\n"); + return -ENODEV; + } + + rv1108_otg_data.regs_phy = grf_phy_offset + fdtdec_get_addr(blob, node, + "reg"); + + return dwc2_udc_probe(&rv1108_otg_data); +} + +int board_usb_cleanup(int index, enum usb_init_type init) +{ + return 0; +} +#endif