From: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@xxxxxxxxxxxxxxx> Add a new compatible to use the host controller driver with the eMMC PHY on Intel's Lightning Mountain SoC. Signed-off-by: Ramuthevar Vadivel Murugan <vadivel.muruganx.ramuthevar@xxxxxxxxxxxxxxx> --- .../bindings/phy/intel-lgm-emmc-phy.yaml | 70 ++++++++++++++++++++++ 1 file changed, 70 insertions(+) create mode 100644 Documentation/devicetree/bindings/phy/intel-lgm-emmc-phy.yaml diff --git a/Documentation/devicetree/bindings/phy/intel-lgm-emmc-phy.yaml b/Documentation/devicetree/bindings/phy/intel-lgm-emmc-phy.yaml new file mode 100644 index 000000000000..52156ff091ad --- /dev/null +++ b/Documentation/devicetree/bindings/phy/intel-lgm-emmc-phy.yaml @@ -0,0 +1,70 @@ +# SPDX-License-Identifier: GPL-2.0 +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/intel-lgm-emmc-phy.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Intel LGM e-MMC PHY Device Tree Bindings + +maintainers: + - Rob Herring <robh+dt@xxxxxxxxxx> + - Mark Rutland <mark.rutland@xxxxxxx> + +intel,syscon: + $ref: /schemas/types.yaml#definitions/phandle + description: + - | + e-MMC phy module connected through chiptop. Phandle to a node that can + contain the following properties + * reg, Access the e-MMC, get the base address from syscon. + * reset, reset the e-MMC module. + +properties: + "#phy-cells": + const: 0 + + compatible: + const: intel,lgm-emmc-phy + + reg: + maxItems: 1 + + clocks: + items: + - description: e-MMC phy module clock + + clock-names: + items: + - const: emmcclk + + resets: + maxItems: 1 + +required: + - "#phy-cells" + - compatible + - reg + - clocks + - clock-names + - resets + +additionalProperties: false + +examples: + - | + sysconf: chiptop@e0020000 { + compatible = "intel,chiptop-lgm", "syscon"; + reg = <0xe0020000 0x100>; + #reset-cells = <1>; + }; + + - | + emmc_phy: emmc_phy { + compatible = "intel,lgm-emmc-phy"; + intel,syscon = <&sysconf>; + clocks = <&emmc>; + clock-names = "emmcclk"; + #phy-cells = <0>; + }; + +... -- 2.11.0
