Add bindings doc for Sunplus EHCI driver Signed-off-by: Vincent Shih <vincent.sunplus@xxxxxxxxx> --- .../bindings/usb/sunplus,sp7021-usb-ehci.yaml | 97 ++++++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 98 insertions(+) create mode 100644 Documentation/devicetree/bindings/usb/sunplus,sp7021-usb-ehci.yaml diff --git a/Documentation/devicetree/bindings/usb/sunplus,sp7021-usb-ehci.yaml b/Documentation/devicetree/bindings/usb/sunplus,sp7021-usb-ehci.yaml new file mode 100644 index 0000000..e492f7a --- /dev/null +++ b/Documentation/devicetree/bindings/usb/sunplus,sp7021-usb-ehci.yaml @@ -0,0 +1,97 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +# Copyright (C) Sunplus Co., Ltd. 2021 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/usb/sunplus,sp7021-usb-ehci.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Sunplus SP7021 EHCI Device Tree bindings for ehci0/ehci1 + +maintainers: + - Vincent Shih <vincent.sunplus@xxxxxxxxx> + +allOf: + - $ref: usb-hcd.yaml# + +properties: + compatible: + enum: + - sunplus,sp7021-usb-ehci0 + - sunplus,sp7021-usb-ehci1 + + clocks: + maxItems: 2 + + clock-names: + items: + - const: usbc_clk + - const: uphy_clk + + resets: + maxItems: 2 + + reset-names: + items: + - const: usbc_rst + - const: uphy_rst + + reg: + items: + - description: USBC register region + - description: UPHY register region + - description: MOON4 register region + + reg-names: + items: + - const: usbc + - const: uphy + - const: moon4 + + interrupts: + maxItems: 1 + + nvmem-cell-names: + description: names corresponding to the nvmem cells of disconnect voltage + const: disc_vol + + nvmem-cells: + description: nvmem cell address of disconnect voltage + maxItems: 1 + + port-num: + description: identify ehci0 (port0) and ehci1 (port1) + +required: + - compatible + - clocks + - clock-names + - resets + - reset-names + - reg + - reg-names + - interrupts + - nvmem-cell-names + - nvmem-cells + - port-num + +additionalProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + + sp_ehci0: usb@9c102100 { + compatible = "sunplus,sp7021-usb-ehci"; + clocks = <&clkc 0x3a>, <&clkc 0x3d>; + clock-names = "usbc_clk", "uphy_clk"; + resets = <&rstc 0x2a>, <&rstc 0x2d>; + reset-names = "usbc_rst", "uphy_rst"; + reg = <0x9c102100 0x68>, <0x9c004a80 0x80>, <0x9c000200 0x80>; + reg-names = "usbc", "uphy", "moon4"; + interrupt-parent = <&intc>; + interrupts = <14 IRQ_TYPE_LEVEL_HIGH>; + nvmem-cell-names = "disc_vol"; + nvmem-cells = <&disc_vol>; + port-num = <0>; + }; +... diff --git a/MAINTAINERS b/MAINTAINERS index 6c2faf3..49702c4 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -17951,6 +17951,7 @@ SUNPLUS USB EHCI DRIVER M: Vincent Shih <vincent.sunplus@xxxxxxxxx> L: linux-usb@xxxxxxxxxxxxxxx S: Maintained +F: Documentation/devicetree/bindings/nvmem/sunplus,sp7021-ocotp.yaml F: drivers/usb/host/ehci-sunplus.c SUPERH -- 2.7.4
