lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]
Message-Id: <20240417170054.140587-5-alisa.roman@analog.com>
Date: Wed, 17 Apr 2024 20:00:53 +0300
From: Alisa-Dariana Roman <alisadariana@...il.com>
To: michael.hennerich@...log.com,
	linux-iio@...r.kernel.org,
	devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org
Cc: alexandru.tachici@...log.com,
	lars@...afoo.de,
	Michael.Hennerich@...log.com,
	jic23@...nel.org,
	robh@...nel.org,
	krzysztof.kozlowski+dt@...aro.org,
	conor+dt@...nel.org,
	lgirdwood@...il.com,
	broonie@...nel.org,
	andy@...nel.org,
	nuno.sa@...log.com,
	marcelo.schmitt@...log.com,
	bigunclemax@...il.com,
	dlechner@...libre.com,
	okan.sahin@...log.com,
	fr0st61te@...il.com,
	alisa.roman@...log.com,
	marcus.folkesson@...il.com,
	schnelle@...ux.ibm.com,
	liambeguin@...il.com
Subject: [PATCH v6 4/5] dt-bindings: iio: adc: ad7192: Add AD7194 support

Unlike the other AD719Xs, AD7194 has configurable differential
channels. The user can dynamically configure them in the devicetree.

Also add an example for AD7194 devicetree.

Signed-off-by: Alisa-Dariana Roman <alisa.roman@...log.com>
---
 .../bindings/iio/adc/adi,ad7192.yaml          | 77 +++++++++++++++++++
 1 file changed, 77 insertions(+)

diff --git a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
index cf5c568f140a..7e4e15e4e648 100644
--- a/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
+++ b/Documentation/devicetree/bindings/iio/adc/adi,ad7192.yaml
@@ -21,8 +21,15 @@ properties:
       - adi,ad7190
       - adi,ad7192
       - adi,ad7193
+      - adi,ad7194
       - adi,ad7195
 
+  "#address-cells":
+    const: 1
+
+  "#size-cells":
+    const: 0
+
   reg:
     maxItems: 1
 
@@ -89,6 +96,30 @@ properties:
     description: see Documentation/devicetree/bindings/iio/adc/adc.yaml
     type: boolean
 
+patternProperties:
+  "^channel@[0-9a-z]+$":
+    type: object
+    $ref: adc.yaml
+    unevaluatedProperties: false
+
+    properties:
+      reg:
+        description: The channel index.
+        minimum: 1
+        maximum: 256
+
+      diff-channels:
+        description: |
+          Both inputs can be connected to pins AIN1 to AIN16 by choosing the
+          appropriate value from 1 to 16.
+        items:
+          minimum: 1
+          maximum: 16
+
+    required:
+      - reg
+      - diff-channels
+
 required:
   - compatible
   - reg
@@ -103,6 +134,17 @@ required:
 
 allOf:
   - $ref: /schemas/spi/spi-peripheral-props.yaml#
+  - if:
+      properties:
+        compatible:
+          enum:
+            - adi,ad7190
+            - adi,ad7192
+            - adi,ad7193
+            - adi,ad7195
+    then:
+      patternProperties:
+        "^channel@[0-9a-z]+$": false
 
 unevaluatedProperties: false
 
@@ -133,3 +175,38 @@ examples:
             adi,burnout-currents-enable;
         };
     };
+  - |
+    spi {
+        #address-cells = <1>;
+        #size-cells = <0>;
+
+        adc@0 {
+            compatible = "adi,ad7194";
+            reg = <0>;
+
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            spi-max-frequency = <1000000>;
+            spi-cpol;
+            spi-cpha;
+            clocks = <&ad7192_mclk>;
+            clock-names = "mclk";
+            interrupts = <25 0x2>;
+            interrupt-parent = <&gpio>;
+            aincom-supply = <&aincom>;
+            dvdd-supply = <&dvdd>;
+            avdd-supply = <&avdd>;
+            vref-supply = <&vref>;
+
+            channel@1 {
+                reg = <1>;
+                diff-channels = <1 6>;
+            };
+
+            channel@2 {
+                reg = <2>;
+                diff-channels = <16 5>;
+            };
+        };
+    };
-- 
2.34.1


Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ