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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-phy" Errors-To: linux-phy-bounces+linux-phy=archiver.kernel.org@lists.infradead.org On Thu, 2026-07-30 at 11:48 +0200, Louis-Alexis Eyraud wrote: > From: Nicolas Frattaroli > > The MediaTek MT8196 SoC's UFS controller uses a different set of > supplies. > It is therefore not compatible with the MT8195. > > While it does have a AVDD09_UFS_1 pin in addition to the AVDD09_UFS > pin, > it appears that these two pins are commoned together, as the board > schematic I have access to uses the same supply for both, and the > downstream driver does not distinguish between the two supplies > either. > > Add a compatible for it, and modify the binding correspondingly. > > Signed-off-by: Nicolas Frattaroli > Signed-off-by: Louis-Alexis Eyraud Reviewed-by: Chaotian Jing > --- > .../devicetree/bindings/ufs/mediatek,ufs.yaml | 45 > ++++++++++++++++++++++ > 1 file changed, 45 insertions(+) > > diff --git a/Documentation/devicetree/bindings/ufs/mediatek,ufs.yaml > b/Documentation/devicetree/bindings/ufs/mediatek,ufs.yaml > index e7e360c59ba5..70164e4e54c5 100644 > --- a/Documentation/devicetree/bindings/ufs/mediatek,ufs.yaml > +++ b/Documentation/devicetree/bindings/ufs/mediatek,ufs.yaml > @@ -16,6 +16,7 @@ properties: > - mediatek,mt8183-ufshci > - mediatek,mt8192-ufshci > - mediatek,mt8195-ufshci > + - mediatek,mt8196-ufshci > > clocks: > minItems: 1 > @@ -131,6 +132,20 @@ allOf: > clock-names: > minItems: 10 > avdd09-supply: false > + - if: > + properties: > + compatible: > + contains: > + const: mediatek,mt8196-ufshci > + then: > + properties: > + clocks: > + minItems: 10 > + clock-names: > + minItems: 10 > + avdd18-supply: false > + required: > + - operating-points-v2 > > examples: > - | > @@ -177,3 +192,33 @@ examples: > > mediatek,ufs-disable-mcq; > }; > + - | > + #include > + #include > + > + ufshci@16810000 { > + compatible = "mediatek,mt8196-ufshci"; > + reg = <0x16810000 0x2a00>; > + interrupts = ; > + > + clocks = <&ufs_ao_clk 6>, <&ufs_ao_clk 7>, <&clk26m>, > <&ufs_ao_clk 3>, > + <&clk26m>, <&ufs_ao_clk 4>, <&ufs_ao_clk 0>, > + <&topckgen 7>, <&ufs_ao_clk 1>, <&ufs_ao_clk 2>; > + clock-names = "main", "aes", "tick", "unipro_sysclk", > + "unipro_tick", "unipro_mp_bclk", "tx_symbol", > + "mem_sub", "rx_symbol0", "rx_symbol1"; > + > + operating-points-v2 = <&ufs_opp_table>; > + > + phys = <&ufsphy>; > + > + avdd09-supply = <&mt6363_vsram_modem>; > + vcc-supply = <&mt6363_vemc>; > + vccq-supply = <&mt6363_vufs12>; > + > + resets = <&ufs_ao_clk MT8196_UFSAO_RST1_UFS_UNIPRO>, > + <&ufs_ao_clk MT8196_UFSAO_RST1_UFS_CRYPTO>, > + <&ufs_ao_clk MT8196_UFSAO_RST1_UFSHCI>; > + reset-names = "unipro", "crypto", "hci"; > + mediatek,ufs-disable-mcq; > + }; > -- linux-phy mailing list linux-phy@lists.infradead.org https://lists.infradead.org/mailman/listinfo/linux-phy