MT6589 USB Driver (v6.16)

Documentation/devicetree/bindings/phy/mediatek,tphy.yaml

@@ -34,6 +34,10 @@ description: |
   u2 port2    0x1800    U2PHY_COM
               ...
 
+  Some V1 SoCs (e.g. MT6589) have the FMREG bank at a non-standard
+  offset (0x0f00 instead of 0x0100).  These use a separate reg entry
+  with name "legacy-fm".
+
   Version 2/3:
   port        offset    bank
   u2 port0    0x0000    MISC
@@ -95,14 +99,27 @@ properties:
         deprecated: true
       - const: mediatek,mt2712-u3phy
         deprecated: true
+      - const: mediatek,mt6589-tphy
       - const: mediatek,mt8173-u3phy
 
   reg:
     description:
       Register shared by multiple ports, exclude port's private register.
       It is needed for T-PHY V1, such as mt2701 and mt8173, but not for
       T-PHY V2/V3, such as mt2712.
-    maxItems: 1
+      Some V1 SoCs (e.g. MT6589) require a second register range for the
+      legacy frequency meter block.
+    minItems: 1
+    maxItems: 2
+
+  reg-names:
+    description:
+      Names for the shared register ranges.
+    minItems: 1
+    maxItems: 2
+    items:
+      - const: sif
+      - const: legacy-fm
 
   "#address-cells":
     enum: [1, 2]
@@ -330,4 +347,23 @@ examples:
         };
     };
 
-...
+  - |
+    #include <dt-bindings/phy/phy.h>
+    t-phy@11220000 {
+        compatible = "mediatek,mt6589-tphy", "mediatek,generic-tphy-v1";
+        reg = <0x11220000 0x0800>,
+              <0x11220f00 0x0100>;
+        reg-names = "sif", "legacy-fm";
+        mediatek,src-ref-clk-mhz = <48>;
+        mediatek,src-coef = <22>;
+        #address-cells = <1>;
+        #size-cells = <1>;
+        ranges;
+
+        u2port0: usb-phy@11220800 {
+            reg = <0x11220800 0x0100>;
+            clocks = <&topckgen CLK_TOP_UNIVPLL_D26>;
+            clock-names = "ref";
+            #phy-cells = <1>;
+        };
+    };

Documentation/devicetree/bindings/usb/mediatek,musb.yaml

@@ -19,6 +19,7 @@ properties:
       - enum:
           - mediatek,mt8516-musb
           - mediatek,mt2701-musb
+          - mediatek,mt6589-musb
           - mediatek,mt7623-musb
       - const: mediatek,mtk-musb
 
@@ -67,6 +68,9 @@ properties:
     description: Connector for dual role switch
     type: object
 
+  vusb-supply:
+    description: Regulator for USB 3.3V power
+
 dependencies:
   usb-role-switch: [ connector ]
   connector: [ usb-role-switch ]
@@ -103,6 +107,7 @@ examples:
                  <&pericfg CLK_PERI_USB_SLV>;
         clock-names = "main","mcu","univpll";
         power-domains = <&scpsys MT2701_POWER_DOMAIN_IFR_MSC>;
+        vusb-supply = <&usb_vusb>;
         usb-role-switch;
 
         connector {

arch/arm/boot/dts/mediatek/mt6320.dtsi

@@ -40,5 +40,250 @@
 				linux,keycodes = <KEY_HOME>;
 			};
 		};
+
+		mt6320regulator: mt6320regulator {
+			compatible = "mediatek,mt6320-regulator";
+
+			/* BUCK regulators */
+			mt6320_buck_vproc: buck_vproc {
+				regulator-name = "vproc";
+				regulator-min-microvolt = <700000>;
+				regulator-max-microvolt = <1493750>;
+				regulator-ramp-delay = <12500>;
+				regulator-always-on;
+			};
+
+			mt6320_buck_vsram: buck_vsram {
+				regulator-name = "vsram";
+				regulator-min-microvolt = <700000>;
+				regulator-max-microvolt = <1493750>;
+				regulator-ramp-delay = <12500>;
+				regulator-always-on;
+			};
+
+			mt6320_buck_vcore: buck_vcore {
+				regulator-name = "vcore";
+				regulator-min-microvolt = <700000>;
+				regulator-max-microvolt = <1493750>;
+				regulator-ramp-delay = <12500>;
+				regulator-always-on;
+			};
+
+			mt6320_buck_vm: buck_vm {
+				regulator-name = "vm";
+				regulator-min-microvolt = <700000>;
+				regulator-max-microvolt = <1493750>;
+				regulator-ramp-delay = <12500>;
+				regulator-always-on;
+			};
+
+			mt6320_buck_vio18: buck_vio18 {
+				regulator-name = "vio18";
+				regulator-min-microvolt = <1500000>;
+				regulator-max-microvolt = <2120000>;
+				regulator-ramp-delay = <25000>;
+				regulator-always-on;
+			};
+
+			mt6320_buck_vpa: buck_vpa {
+				regulator-name = "vpa";
+				regulator-min-microvolt = <500000>;
+				regulator-max-microvolt = <3650000>;
+			};
+
+			mt6320_buck_vrf18: buck_vrf18 {
+				regulator-name = "vrf18";
+				regulator-min-microvolt = <1050000>;
+				regulator-max-microvolt = <1825000>;
+				regulator-ramp-delay = <25000>;
+			};
+
+			/* TODO: add GPU OD */
+			mt6320_buck_vrf18_2: buck_vrf18_2 {
+				regulator-name = "vrf18_2";
+				regulator-min-microvolt = <1050000>;
+				regulator-max-microvolt = <1825000>;
+				regulator-ramp-delay = <25000>;
+			};
+
+			/* Analog LDOs */
+			mt6320_ldo_vrf28: ldo_vrf28 {
+				regulator-name = "vrf28";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <2850000>;
+				regulator-enable-ramp-delay = <100>;
+			};
+
+			mt6320_ldo_vtcxo: ldo_vtcxo {
+				regulator-name = "vtcxo";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-enable-ramp-delay = <90>;
+				regulator-always-on;
+			};
+
+			mt6320_ldo_va: ldo_va {
+				regulator-name = "va";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <2500000>;
+				regulator-enable-ramp-delay = <216>;
+				regulator-always-on;
+			};
+
+			mt6320_ldo_va28: ldo_va28 {
+				regulator-name = "va28";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-enable-ramp-delay = <216>;
+				regulator-always-on;
+			};
+
+			mt6320_ldo_vcama: ldo_vcama {
+				regulator-name = "vcama";
+				regulator-min-microvolt = <1500000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-enable-ramp-delay = <216>;
+			};
+
+			mt6320_ldo_vrf28_2: ldo_vrf28_2 {
+				regulator-name = "vrf28_2";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <2850000>;
+				regulator-enable-ramp-delay = <100>;
+			};
+
+			mt6320_ldo_vtcxo_2: ldo_vtcxo_2 {
+				regulator-name = "vtcxo_2";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <2850000>;
+				regulator-enable-ramp-delay = <90>;
+			};
+
+			/* Digital LDOs */
+			mt6320_ldo_vio28: ldo_vio28 {
+				regulator-name = "vio28";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-enable-ramp-delay = <216>;
+				regulator-always-on;
+			};
+
+			mt6320_ldo_vusb: ldo_vusb {
+				regulator-name = "vusb";
+				regulator-min-microvolt = <3300000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <216>;
+				regulator-boot-on;
+			};
+
+			mt6320_ldo_vmc1: ldo_vmc1 {
+				regulator-name = "vmc1";
+				regulator-min-microvolt = <1800000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <36>;
+				regulator-boot-on;
+			};
+
+			mt6320_ldo_vmch1: ldo_vmch1 {
+				regulator-name = "vmch1";
+				regulator-min-microvolt = <3000000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <36>;
+				regulator-boot-on;
+			};
+
+			mt6320_ldo_vemc_3v3: ldo_vemc_3v3 {
+				regulator-name = "vemc_3v3";
+				regulator-min-microvolt = <3000000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <36>;
+				regulator-boot-on;
+			};
+
+			mt6320_ldo_vemc_1v8: ldo_vemc_1v8 {
+				regulator-name = "vemc_1v8";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <36>;
+				regulator-boot-on;
+			};
+
+			mt6320_ldo_vgp1: ldo_vgp1 {
+				regulator-name = "vgp1";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <216>;
+			};
+
+			mt6320_ldo_vgp2: ldo_vgp2 {
+				regulator-name = "vgp2";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <216>;
+			};
+
+			mt6320_ldo_vgp3: ldo_vgp3 {
+				regulator-name = "vgp3";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <216>;
+			};
+
+			mt6320_ldo_vgp4: ldo_vgp4 {
+				regulator-name = "vgp4";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <216>;
+			};
+
+			mt6320_ldo_vgp5: ldo_vgp5 {
+				regulator-name = "vgp5";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <216>;
+			};
+
+			mt6320_ldo_vgp6: ldo_vgp6 {
+				regulator-name = "vgp6";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <216>;
+			};
+
+			mt6320_ldo_vsim1: ldo_vsim1 {
+				regulator-name = "vsim1";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <216>;
+			};
+
+			mt6320_ldo_vsim2: ldo_vsim2 {
+				regulator-name = "vsim2";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <216>;
+			};
+
+			mt6320_ldo_vibr: ldo_vibr {
+				regulator-name = "vibr";
+				regulator-min-microvolt = <1200000>;
+				regulator-max-microvolt = <3300000>;
+				regulator-enable-ramp-delay = <36>;
+			};
+
+			mt6320_ldo_vrtc: ldo_vrtc {
+				regulator-name = "vrtc";
+				regulator-min-microvolt = <2800000>;
+				regulator-max-microvolt = <2800000>;
+				regulator-always-on;
+			};
+
+			mt6320_ldo_vast: ldo_vast {
+				regulator-name = "vast";
+				regulator-min-microvolt = <900000>;
+				regulator-max-microvolt = <1200000>;
+				regulator-enable-ramp-delay = <216>;
+			};
+		};
 	};
 };