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Message-ID: <93025cdb7c31bf413fb2be5a071340073a0679d1.1702158423.git.daniel@makrotopia.org>
Date: Sat, 9 Dec 2023 21:55:58 +0000
From: Daniel Golle <daniel@...rotopia.org>
To: Rob Herring <robh+dt@...nel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Michael Turquette <mturquette@...libre.com>,
	Stephen Boyd <sboyd@...nel.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Sabrina Dubroca <sd@...asysnail.net>,
	Daniel Golle <daniel@...rotopia.org>,
	Jianhui Zhao <zhaojh329@...il.com>,
	Chen-Yu Tsai <wenst@...omium.org>,
	"Garmin.Chang" <Garmin.Chang@...iatek.com>,
	Sam Shih <sam.shih@...iatek.com>,
	Markus Schneider-Pargmann <msp@...libre.com>,
	Alexandre Mergnat <amergnat@...libre.com>,
	Jiasheng Jiang <jiasheng@...as.ac.cn>,
	Uwe Kleine-König <u.kleine-koenig@...gutronix.de>,
	Frank Wunderlich <frank-w@...lic-files.de>,
	Geert Uytterhoeven <geert+renesas@...der.be>,
	Chanwoo Choi <cw00.choi@...sung.com>,
	Dan Carpenter <dan.carpenter@...aro.org>,
	James Liao <jamesjj.liao@...iatek.com>, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org, netdev@...r.kernel.org
Subject: [PATCH v4 2/4] dt-bindings: clock: mediatek: add clock controllers
 of MT7988

Add various clock controllers found in the MT7988 SoC to existing
bindings (if applicable) and add files for the new ethwarp, mcusys
and xfi-pll clock controllers not previously present in any SoC.

Signed-off-by: Daniel Golle <daniel@...rotopia.org>
---
v4:
 * add subnodes for controllers acting as MFD

v3:
 * move clock bindings to clock folder
 * drop ti,syscon-reset from bindings and example
 * merge mcusys with topckgen bindings

v2:
 * dropped unused labels
 * add 'type: object' declaration for reset-controller found in new
   ethwarp controller and represented as ti,syscon-reset
 * rebase on top of
   "dt-bindings: arm: mediatek: move ethsys controller & convert to DT schema"

 .../arm/mediatek/mediatek,infracfg.yaml       |  1 +
 .../bindings/clock/mediatek,apmixedsys.yaml   |  1 +
 .../bindings/clock/mediatek,ethsys.yaml       |  1 +
 .../clock/mediatek,mt7988-ethwarp.yaml        | 66 +++++++++++++++++++
 .../clock/mediatek,mt7988-xfi-pll.yaml        | 48 ++++++++++++++
 .../bindings/clock/mediatek,topckgen.yaml     |  2 +
 .../bindings/net/pcs/mediatek,sgmiisys.yaml   | 61 ++++++++++++++---
 7 files changed, 171 insertions(+), 9 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/clock/mediatek,mt7988-ethwarp.yaml
 create mode 100644 Documentation/devicetree/bindings/clock/mediatek,mt7988-xfi-pll.yaml

diff --git a/Documentation/devicetree/bindings/arm/mediatek/mediatek,infracfg.yaml b/Documentation/devicetree/bindings/arm/mediatek/mediatek,infracfg.yaml
index ea98043c6ba3d..230b5188a88db 100644
--- a/Documentation/devicetree/bindings/arm/mediatek/mediatek,infracfg.yaml
+++ b/Documentation/devicetree/bindings/arm/mediatek/mediatek,infracfg.yaml
@@ -30,6 +30,7 @@ properties:
               - mediatek,mt7629-infracfg
               - mediatek,mt7981-infracfg
               - mediatek,mt7986-infracfg
+              - mediatek,mt7988-infracfg
               - mediatek,mt8135-infracfg
               - mediatek,mt8167-infracfg
               - mediatek,mt8173-infracfg
diff --git a/Documentation/devicetree/bindings/clock/mediatek,apmixedsys.yaml b/Documentation/devicetree/bindings/clock/mediatek,apmixedsys.yaml
index 372c1d744bc27..685535846cbb7 100644
--- a/Documentation/devicetree/bindings/clock/mediatek,apmixedsys.yaml
+++ b/Documentation/devicetree/bindings/clock/mediatek,apmixedsys.yaml
@@ -22,6 +22,7 @@ properties:
           - mediatek,mt7622-apmixedsys
           - mediatek,mt7981-apmixedsys
           - mediatek,mt7986-apmixedsys
+          - mediatek,mt7988-apmixedsys
           - mediatek,mt8135-apmixedsys
           - mediatek,mt8173-apmixedsys
           - mediatek,mt8516-apmixedsys
diff --git a/Documentation/devicetree/bindings/clock/mediatek,ethsys.yaml b/Documentation/devicetree/bindings/clock/mediatek,ethsys.yaml
index 94d42c8647777..f9cddacc2eae1 100644
--- a/Documentation/devicetree/bindings/clock/mediatek,ethsys.yaml
+++ b/Documentation/devicetree/bindings/clock/mediatek,ethsys.yaml
@@ -22,6 +22,7 @@ properties:
               - mediatek,mt7629-ethsys
               - mediatek,mt7981-ethsys
               - mediatek,mt7986-ethsys
+              - mediatek,mt7988-ethsys
           - const: syscon
       - items:
           - const: mediatek,mt7623-ethsys
diff --git a/Documentation/devicetree/bindings/clock/mediatek,mt7988-ethwarp.yaml b/Documentation/devicetree/bindings/clock/mediatek,mt7988-ethwarp.yaml
new file mode 100644
index 0000000000000..e126f3fe0856c
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/mediatek,mt7988-ethwarp.yaml
@@ -0,0 +1,66 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/mediatek,mt7988-ethwarp.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek MT7988 ethwarp Controller
+
+maintainers:
+  - Daniel Golle <daniel@...rotopia.org>
+
+description:
+  The Mediatek MT7988 ethwarp controller provides clocks and resets for the
+  Ethernet related subsystems found the MT7988 SoC.
+  The clock values can be found in <dt-bindings/clock/mt*-clk.h>.
+
+properties:
+  compatible:
+    items:
+      - const: mediatek,mt7988-ethwarp
+      - const: syscon
+      - const: simple-mfd
+
+  reg:
+    maxItems: 1
+
+  '#clock-cells':
+    const: 1
+
+  reset-controller:
+    type: object
+    properties:
+      compatible:
+        const: ti,syscon-reset
+
+    # TODO: Convert to DT schema
+    additionalProperties: true
+
+required:
+  - compatible
+  - reg
+  - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/reset/ti-syscon.h>
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+
+        clock-controller@...31000 {
+            compatible = "mediatek,mt7988-ethwarp", "syscon", "simple-mfd";
+            reg = <0 0x15031000 0 0x1000>;
+            #clock-cells = <1>;
+
+            reset-controller {
+                compatible = "ti,syscon-reset";
+                #reset-cells = <1>;
+                ti,reset-bits = <
+                  0x8 9 0x8 9 0 0 (ASSERT_SET | DEASSERT_CLEAR | STATUS_NONE)
+                >;
+            };
+        };
+    };
diff --git a/Documentation/devicetree/bindings/clock/mediatek,mt7988-xfi-pll.yaml b/Documentation/devicetree/bindings/clock/mediatek,mt7988-xfi-pll.yaml
new file mode 100644
index 0000000000000..fe5e3a70299fd
--- /dev/null
+++ b/Documentation/devicetree/bindings/clock/mediatek,mt7988-xfi-pll.yaml
@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/clock/mediatek,mt7988-xfi-pll.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek MT7988 XFI PLL Clock Controller
+
+maintainers:
+  - Daniel Golle <daniel@...rotopia.org>
+
+description:
+  The MediaTek XFI PLL controller provides the 156.25MHz clock for the
+  Ethernet SerDes PHY from the 40MHz top_xtal clock.
+
+properties:
+  compatible:
+    const: mediatek,mt7988-xfi-pll
+
+  reg:
+    maxItems: 1
+
+  resets:
+    maxItems: 1
+
+  '#clock-cells':
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - resets
+  - '#clock-cells'
+
+additionalProperties: false
+
+examples:
+  - |
+    soc {
+        #address-cells = <2>;
+        #size-cells = <2>;
+        clock-controller@...40000 {
+            compatible = "mediatek,mt7988-xfi-pll";
+            reg = <0 0x11f40000 0 0x1000>;
+            resets = <&watchdog 16>;
+            #clock-cells = <1>;
+        };
+    };
diff --git a/Documentation/devicetree/bindings/clock/mediatek,topckgen.yaml b/Documentation/devicetree/bindings/clock/mediatek,topckgen.yaml
index 6d087ded7437a..bdf3b55bd56fd 100644
--- a/Documentation/devicetree/bindings/clock/mediatek,topckgen.yaml
+++ b/Documentation/devicetree/bindings/clock/mediatek,topckgen.yaml
@@ -37,6 +37,8 @@ properties:
               - mediatek,mt7629-topckgen
               - mediatek,mt7981-topckgen
               - mediatek,mt7986-topckgen
+              - mediatek,mt7988-mcusys
+              - mediatek,mt7988-topckgen
               - mediatek,mt8167-topckgen
               - mediatek,mt8183-topckgen
           - const: syscon
diff --git a/Documentation/devicetree/bindings/net/pcs/mediatek,sgmiisys.yaml b/Documentation/devicetree/bindings/net/pcs/mediatek,sgmiisys.yaml
index 66a95191bd776..f5f1fd97c50eb 100644
--- a/Documentation/devicetree/bindings/net/pcs/mediatek,sgmiisys.yaml
+++ b/Documentation/devicetree/bindings/net/pcs/mediatek,sgmiisys.yaml
@@ -15,15 +15,22 @@ description:
 
 properties:
   compatible:
-    items:
-      - enum:
-          - mediatek,mt7622-sgmiisys
-          - mediatek,mt7629-sgmiisys
-          - mediatek,mt7981-sgmiisys_0
-          - mediatek,mt7981-sgmiisys_1
-          - mediatek,mt7986-sgmiisys_0
-          - mediatek,mt7986-sgmiisys_1
-      - const: syscon
+    oneOf:
+      - items:
+          - enum:
+              - mediatek,mt7622-sgmiisys
+              - mediatek,mt7629-sgmiisys
+              - mediatek,mt7981-sgmiisys_0
+              - mediatek,mt7981-sgmiisys_1
+              - mediatek,mt7986-sgmiisys_0
+              - mediatek,mt7986-sgmiisys_1
+          - const: syscon
+      - items:
+          - enum:
+              - mediatek,mt7988-sgmiisys_0
+              - mediatek,mt7988-sgmiisys_1
+          - const: simple-mfd
+          - const: syscon
 
   reg:
     maxItems: 1
@@ -35,11 +42,47 @@ properties:
     description: Invert polarity of the SGMII data lanes
     type: boolean
 
+  pcs:
+    type: object
+    description: HSGMII PCS logic
+    properties:
+      compatible:
+        const: mediatek,mt7988-sgmii
+
+      clocks:
+        maxItems: 3
+        minItems: 3
+
+      clock-names:
+        items:
+          - const: sgmii_sel
+          - const: sgmii_tx
+          - const: sgmii_rx
+
+    required:
+      - compatible
+      - clocks
+      - clock-names
+
+    additionalProperties: false
+
 required:
   - compatible
   - reg
   - '#clock-cells'
 
+if:
+  properties:
+    compatible:
+      contains:
+        enum:
+          - mediatek,mt7988-sgmiisys_0
+          - mediatek,mt7988-sgmiisys_1
+
+then:
+  required:
+    - pcs
+
 additionalProperties: false
 
 examples:
-- 
2.43.0

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