From: Huan He <hehuan1@xxxxxxxxxxxxxxxxxx> Add eic7700 AHCI SATA controller device with single port support. For the eic7700 SATA registers, it supports AHCI standard interface, interrupt modes (INTx/MSI/PME), APB reset control, and HSP_SP_CSR register configuration. Co-developed-by: Yulin Lu <luyulin@xxxxxxxxxxxxxxxxxx> Signed-off-by: Yulin Lu <luyulin@xxxxxxxxxxxxxxxxxx> Signed-off-by: Huan He <hehuan1@xxxxxxxxxxxxxxxxxx> --- .../bindings/ata/eswin,eic7700-sata.yaml | 80 +++++++++++++++++++ 1 file changed, 80 insertions(+) create mode 100644 Documentation/devicetree/bindings/ata/eswin,eic7700-sata.yaml diff --git a/Documentation/devicetree/bindings/ata/eswin,eic7700-sata.yaml b/Documentation/devicetree/bindings/ata/eswin,eic7700-sata.yaml new file mode 100644 index 000000000000..71e1b865ed2a --- /dev/null +++ b/Documentation/devicetree/bindings/ata/eswin,eic7700-sata.yaml @@ -0,0 +1,80 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/ata/eswin,eic7700-sata.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Eswin EIC7700 SoC SATA Controller + +maintainers: + - Yulin Lu <luyulin@xxxxxxxxxxxxxxxxxx> + - Huan He <hehuan1@xxxxxxxxxxxxxxxxxx> + +description: | + This binding describes the SATA controller integrated in the Eswin EIC7700 SoC. + The controller is compatible with the AHCI (Advanced Host Controller Interface) + specification and supports up to 1 port. + +properties: + compatible: + const: eswin,eic7700-ahci + + reg: + maxItems: 1 + description: Address range of the SATA registers + + interrupt-names: + items: + - const: intrq + - const: msi + - const: pme + + interrupts: + maxItems: 3 + description: The SATA interrupt numbers + + ports-implemented: + maximum: 0x1 + + resets: + maxItems: 1 + description: resets to be used by the controller. + + reset-names: + const: apb + + '#address-cells': + const: 2 + + '#size-cells': + const: 2 + + eswin,hsp_sp_csr: + $ref: /schemas/types.yaml#/definitions/phandle-array + description: hsp_sp_csr regs to be used by the controller. + +required: + - compatible + - reg + - interrupt-names + - interrupts + - resets + - reset-names + - eswin,hsp_sp_csr + +additionalProperties: false + +examples: + - | + sata: sata@50420000 { + compatible = "eswin,eic7700-ahci"; + reg = <0x50420000 0x10000>; + interrupt-parent = <&plic>; + interrupt-names = "intrq", "msi", "pme"; + interrupts = <58>, <59>, <60>; + ports-implemented = <0x1>; + resets = <&reset 7 (1 << 27)>; + reset-names = "apb"; + #size-cells = <2>; + eswin,hsp_sp_csr = <&hsp_sp_csr 0x1050>; + }; -- 2.25.1
