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From:   Abdel Alkuor <alkuor@gmail.com>
To:     heikki.krogerus@linux.intel.com, krzysztof.kozlowski+dt@linaro.org,
        bryan.odonoghue@linaro.org
Cc:     gregkh@linuxfoundation.org, robh+dt@kernel.org,
        linux-usb@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org, conor+dt@kernel.org,
        ryan.eleceng@gmail.com, Abdel Alkuor <abdelalkuor@geotab.com>
Subject: [PATCH v6 01/14] dt-bindings: usb: tps6598x: Add tps25750
Date:   Sat, 23 Sep 2023 03:39:46 -0400
Message-Id: <20230923073959.86660-2-alkuor@gmail.com>
In-Reply-To: <20230923073959.86660-1-alkuor@gmail.com>
References: <20230923073959.86660-1-alkuor@gmail.com>
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From: Abdel Alkuor <abdelalkuor@geotab.com>

TPS25750 is USB TypeC PD controller which is a subset of TPS6598x.

Signed-off-by: Abdel Alkuor <abdelalkuor@geotab.com>
---
Changes in v6:
  - Use reg property for patch address
Changes in v5:
  - Add tps25750 bindings

 .../devicetree/bindings/usb/ti,tps6598x.yaml  | 80 ++++++++++++++++++-
 1 file changed, 78 insertions(+), 2 deletions(-)

diff --git a/Documentation/devicetree/bindings/usb/ti,tps6598x.yaml b/Documentation/devicetree/bindings/usb/ti,tps6598x.yaml
index 5497a60cddbc..da299a2bb19e 100644
--- a/Documentation/devicetree/bindings/usb/ti,tps6598x.yaml
+++ b/Documentation/devicetree/bindings/usb/ti,tps6598x.yaml
@@ -20,8 +20,7 @@ properties:
     enum:
       - ti,tps6598x
       - apple,cd321x
-  reg:
-    maxItems: 1
+      - ti,tps25750
 
   wakeup-source: true
 
@@ -32,10 +31,55 @@ properties:
     items:
       - const: irq
 
+  firmware-name:
+    description: |
+      Should contain the name of the default patch binary
+      file located on the firmware search path which is
+      used to switch the controller into APP mode.
+      This is used when tps25750 doesn't have an EEPROM
+      connected to it.
+    maxItems: 1
+
 required:
   - compatible
   - reg
 
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: ti,tps25750
+    then:
+      properties:
+        reg:
+          maxItems: 2
+
+        reg-names:
+          description: |
+            The first reg is PD device address and the second
+            reg is I2C slave address field in PBMs input data
+            which is used as the device address when writing the
+            patch for TPS25750.
+            The patch address can be any value except 0x00, 0x20,
+            0x21, 0x22, and 0x23
+          items:
+            - const: main
+            - const: patch-address
+
+        connector:
+          required:
+            - data-role
+
+      required:
+        - connector
+        - reg-names
+    else:
+      properties:
+        reg:
+          maxItems: 1
+
+
 additionalProperties: true
 
 examples:
@@ -68,4 +112,36 @@ examples:
             };
         };
     };
+
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    i2c {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        typec@21 {
+            compatible = "ti,tps25750";
+            reg = <0x21>, <0x0f>;
+            reg-names = "main", "patch-address";
+
+            interrupt-parent = <&msmgpio>;
+            interrupts = <100 IRQ_TYPE_LEVEL_LOW>;
+            interrupt-names = "irq";
+            firmware-name = "tps25750.bin";
+
+            pinctrl-names = "default";
+            pinctrl-0 = <&typec_pins>;
+
+            typec_con0: connector {
+                compatible = "usb-c-connector";
+                label = "USB-C";
+                data-role = "dual";
+                port {
+                    typec_ep0: endpoint {
+                        remote-endpoint = <&otg_ep>;
+                    };
+                };
+            };
+        };
+    };
 ...
-- 
2.34.1