[U-Boot] [PATCH 5/5] rv1108: Make USB OTG functional
Otavio Salvador
otavio at ossystems.com.br
Tue Oct 23 06:38:22 UTC 2018
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 at ossystems.com.br>
---
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 at 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 at 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 at 1038c000 {
@@ -141,6 +168,11 @@
reg = <0x20060000 0x1000>;
};
+ usbgrf: syscon at 202a0000 {
+ compatible = "rockchip,rv1108-usbgrf", "syscon";
+ reg = <0x202a0000 0x1000>;
+ };
+
cru: clock-controller at 20200000 {
compatible = "rockchip,rv1108-cru";
reg = <0x20200000 0x1000>;
@@ -200,12 +232,19 @@
};
usb20_otg: usb at 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
--
2.19.1
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