linux-kernel - [PATCH 17/17] Add ti,cc33xx.yaml

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Date: Tue, 21 May 2024 20:18:41 +0300
From: <michael.nemanov@...com>
To: Kalle Valo <kvalo@...nel.org>, Johannes Berg <johannes.berg@...el.com>,
        Breno Leitao <leitao@...ian.org>,
        Justin Stitt <justinstitt@...gle.com>,
        Kees
 Cook <keescook@...omium.org>, <linux-wireless@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC: Sabeeh Khan <sabeeh-khan@...com>, Michael Nemanov <michael.nemanov@...com>
Subject: [PATCH 17/17] Add ti,cc33xx.yaml

From: Michael Nemanov <michael.nemanov@...com>

Signed-off-by: Michael Nemanov <michael.nemanov@...com>
---
 .../bindings/net/wireless/ti,cc33xx.yaml      | 60 +++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/net/wireless/ti,cc33xx.yaml

diff --git a/Documentation/devicetree/bindings/net/wireless/ti,cc33xx.yaml b/Documentation/devicetree/bindings/net/wireless/ti,cc33xx.yaml
new file mode 100644
index 000000000000..342e4e59d4cf
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/wireless/ti,cc33xx.yaml
@@ -0,0 +1,60 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/wireless/ti,cc33xx.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Texas Instruments CC33xx Wireless LAN Controller
+
+maintainers:
+  - Michael Nemanov <michael.nemanov@...com> 
+
+description: 
+  These are dt entries for the IEEE 802.11ax chips CC33xx from Texas Instruments. 
+  Currently, these chips must be connected via SDIO.
+
+properties:
+  compatible:
+    enum: 
+      - ti,cc3300
+      - ti,cc3301
+      - ti,cc3350
+      - ti,cc3351
+
+  reg: 
+    description: 
+      For WLAN communication, <reg> must be set to 2. 
+    maxItems: 1
+  
+  interrupts:
+    description: The interrupt line. Can be IRQ_TYPE_EDGE_RISING or IRQ_TYPE_LEVEL_HIGH. 
+      When SDIO is used, the "in-band" interrupt provided by the SDIO bus is used 
+      unless an interrupt is defined in the Device Tree.
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+
+    // SDIO example:
+    mmc3 {
+        vmmc-supply = <&wlan_en_reg>;
+        bus-width = <4>;
+        cap-power-off-card;
+        keep-power-in-suspend;
+
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        cc33xx: cc33xx@0 {
+            compatible = "ti,cc3300";
+            reg = <2>;
+            interrupts = <19 IRQ_TYPE_EDGE_RISING>;
+        };
+    };
-- 
2.25.1