| Message ID | 20220520064920.27313-2-jianjun.wang@mediatek.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | phy: mediatek: Add PCIe PHY driver | expand |
On Fri, 2022-05-20 at 14:49 +0800, Jianjun Wang wrote: > Add YAML schema documentation for PCIe PHY on MediaTek chipsets. > > Signed-off-by: Jianjun Wang <jianjun.wang@mediatek.com> > Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org> > Reviewed-by: AngeloGioacchino Del Regno < > angelogioacchino.delregno@collabora.com> > --- > .../bindings/phy/mediatek,pcie-phy.yaml | 75 > +++++++++++++++++++ > 1 file changed, 75 insertions(+) > create mode 100644 > Documentation/devicetree/bindings/phy/mediatek,pcie-phy.yaml > > diff --git a/Documentation/devicetree/bindings/phy/mediatek,pcie- > phy.yaml b/Documentation/devicetree/bindings/phy/mediatek,pcie- > phy.yaml > new file mode 100644 > index 000000000000..422750cc4121 > --- /dev/null > +++ b/Documentation/devicetree/bindings/phy/mediatek,pcie-phy.yaml > @@ -0,0 +1,75 @@ > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/phy/mediatek,pcie-phy.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: MediaTek PCIe PHY > + > +maintainers: > + - Jianjun Wang <jianjun.wang@mediatek.com> > + > +description: | > + The PCIe PHY supports physical layer functionality for PCIe Gen3 > port. > + > +properties: > + compatible: > + const: mediatek,mt8195-pcie-phy > + > + reg: > + maxItems: 1 > + > + reg-names: > + items: > + - const: sif > + > + "#phy-cells": > + const: 0 > + > + nvmem-cells: > + maxItems: 7 Seems no need 'maxItems', we can get it from items of 'nvmem-cell- names' > + description: > + Phandles to nvmem cell that contains the efuse data, if > unspecified, > + default value is used. > + > + nvmem-cell-names: > + items: > + - const: glb_intr > + - const: tx_ln0_pmos > + - const: tx_ln0_nmos > + - const: rx_ln0 > + - const: tx_ln1_pmos > + - const: tx_ln1_nmos > + - const: rx_ln1 > + > + power-domains: > + maxItems: 1 > + > +required: > + - compatible > + - reg > + - reg-names > + - "#phy-cells" > + > +additionalProperties: false > + > +examples: > + - | > + phy@11e80000 { > + compatible = "mediatek,mt8195-pcie-phy"; > + #phy-cells = <0>; > + reg = <0x11e80000 0x10000>; > + reg-names = "sif"; > + nvmem-cells = <&pciephy_glb_intr>, > + <&pciephy_tx_ln0_pmos>, > + <&pciephy_tx_ln0_nmos>, > + <&pciephy_rx_ln0>, > + <&pciephy_tx_ln1_pmos>, > + <&pciephy_tx_ln1_nmos>, > + <&pciephy_rx_ln1>; > + nvmem-cell-names = "glb_intr", "tx_ln0_pmos", > + "tx_ln0_nmos", "rx_ln0", > + "tx_ln1_pmos", "tx_ln1_nmos", > + "rx_ln1"; > + power-domains = <&spm 2>; > + };
Hi Chunfeng, On Mon, 2022-05-23 at 10:23 +0800, Chunfeng Yun wrote: > On Fri, 2022-05-20 at 14:49 +0800, Jianjun Wang wrote: > > Add YAML schema documentation for PCIe PHY on MediaTek chipsets. > > > > Signed-off-by: Jianjun Wang <jianjun.wang@mediatek.com> > > Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org> > > Reviewed-by: AngeloGioacchino Del Regno < > > angelogioacchino.delregno@collabora.com> > > --- > > .../bindings/phy/mediatek,pcie-phy.yaml | 75 > > +++++++++++++++++++ > > 1 file changed, 75 insertions(+) > > create mode 100644 > > Documentation/devicetree/bindings/phy/mediatek,pcie-phy.yaml > > ...snip... > > + > > + "#phy-cells": > > + const: 0 > > + > > + nvmem-cells: > > + maxItems: 7 > > Seems no need 'maxItems', we can get it from items of 'nvmem-cell- > names' Please see the comment by Krzysztof[1], I guess we need to add this 'maxTems'. [1]: https://lore.kernel.org/lkml/d48c0023-231c-4011-5548-4b260b3fe172@kernel.org/ Thanks. > > > + description: > > + Phandles to nvmem cell that contains the efuse data, if > > unspecified, > > + default value is used. > > + > > + nvmem-cell-names: > > + items: > > + - const: glb_intr > > + - const: tx_ln0_pmos > > + - const: tx_ln0_nmos > > + - const: rx_ln0 > > + - const: tx_ln1_pmos > > + - const: tx_ln1_nmos > > + - const: rx_ln1 > > + > > + power-domains: > > + maxItems: 1 > > + > > +required: > > + - compatible > > + - reg > > + - reg-names > > + - "#phy-cells" > > + > > +additionalProperties: false > > + > > +examples: > > + - | > > + phy@11e80000 { > > + compatible = "mediatek,mt8195-pcie-phy"; > > + #phy-cells = <0>; > > + reg = <0x11e80000 0x10000>; > > + reg-names = "sif"; > > + nvmem-cells = <&pciephy_glb_intr>, > > + <&pciephy_tx_ln0_pmos>, > > + <&pciephy_tx_ln0_nmos>, > > + <&pciephy_rx_ln0>, > > + <&pciephy_tx_ln1_pmos>, > > + <&pciephy_tx_ln1_nmos>, > > + <&pciephy_rx_ln1>; > > + nvmem-cell-names = "glb_intr", "tx_ln0_pmos", > > + "tx_ln0_nmos", "rx_ln0", > > + "tx_ln1_pmos", "tx_ln1_nmos", > > + "rx_ln1"; > > + power-domains = <&spm 2>; > > + }; > >
diff --git a/Documentation/devicetree/bindings/phy/mediatek,pcie-phy.yaml b/Documentation/devicetree/bindings/phy/mediatek,pcie-phy.yaml new file mode 100644 index 000000000000..422750cc4121 --- /dev/null +++ b/Documentation/devicetree/bindings/phy/mediatek,pcie-phy.yaml @@ -0,0 +1,75 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/phy/mediatek,pcie-phy.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: MediaTek PCIe PHY + +maintainers: + - Jianjun Wang <jianjun.wang@mediatek.com> + +description: | + The PCIe PHY supports physical layer functionality for PCIe Gen3 port. + +properties: + compatible: + const: mediatek,mt8195-pcie-phy + + reg: + maxItems: 1 + + reg-names: + items: + - const: sif + + "#phy-cells": + const: 0 + + nvmem-cells: + maxItems: 7 + description: + Phandles to nvmem cell that contains the efuse data, if unspecified, + default value is used. + + nvmem-cell-names: + items: + - const: glb_intr + - const: tx_ln0_pmos + - const: tx_ln0_nmos + - const: rx_ln0 + - const: tx_ln1_pmos + - const: tx_ln1_nmos + - const: rx_ln1 + + power-domains: + maxItems: 1 + +required: + - compatible + - reg + - reg-names + - "#phy-cells" + +additionalProperties: false + +examples: + - | + phy@11e80000 { + compatible = "mediatek,mt8195-pcie-phy"; + #phy-cells = <0>; + reg = <0x11e80000 0x10000>; + reg-names = "sif"; + nvmem-cells = <&pciephy_glb_intr>, + <&pciephy_tx_ln0_pmos>, + <&pciephy_tx_ln0_nmos>, + <&pciephy_rx_ln0>, + <&pciephy_tx_ln1_pmos>, + <&pciephy_tx_ln1_nmos>, + <&pciephy_rx_ln1>; + nvmem-cell-names = "glb_intr", "tx_ln0_pmos", + "tx_ln0_nmos", "rx_ln0", + "tx_ln1_pmos", "tx_ln1_nmos", + "rx_ln1"; + power-domains = <&spm 2>; + };