linux-kernel - [PATCH 1/2] dt-bindings: iio: adc: ep93xx: Add cirrus,ep9301-adc description

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Message-Id: <20221214222024.951984-1-alexander.sverdlin@gmail.com>
Date:   Wed, 14 Dec 2022 23:20:23 +0100
From:   Alexander Sverdlin <alexander.sverdlin@...il.com>
To:     linux-iio@...r.kernel.org
Cc:     Alexander Sverdlin <alexander.sverdlin@...il.com>,
        Hartley Sweeten <hsweeten@...ionengravers.com>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] dt-bindings: iio: adc: ep93xx: Add cirrus,ep9301-adc description

Add device tree bindings for Cirrus Logic EP9301/EP9302 internal SoCs' ADC
block.

Signed-off-by: Alexander Sverdlin <alexander.sverdlin@...il.com>
---
 .../bindings/iio/adc/cirrus,ep9301-adc.yaml   | 58 +++++++++++++++++++
 MAINTAINERS                                   |  2 +
 2 files changed, 60 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/cirrus,ep9301-adc.yaml

diff --git a/Documentation/devicetree/bindings/iio/adc/cirrus,ep9301-adc.yaml b/Documentation/devicetree/bindings/iio/adc/cirrus,ep9301-adc.yaml
new file mode 100644
index 000000000000..d0fd24d1be04
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/cirrus,ep9301-adc.yaml
@@ -0,0 +1,58 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/cirrus,ep9301-adc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cirrus Logic EP930x internal ADC
+
+description: |
+  Cirrus Logic EP9301/EP9302 SoCs' internal ADC block.
+
+  User's manual:
+  https://cdn.embeddedts.com/resource-attachments/ts-7000_ep9301-ug.pdf
+
+maintainers:
+  - Alexander Sverdlin <alexander.sverdlin@...il.com>
+
+properties:
+  compatible:
+    const: cirrus,ep9301-adc
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    const: ep93xx-adc
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/cirrus,ep93xx-clock.h>
+    soc {
+        #address-cells = <1>;
+        #size-cells = <1>;
+
+        adc: adc@...00000 {
+            compatible = "cirrus,ep9301-adc";
+            reg = <0x80900000 0x28>;
+            clocks = <&syscon EP93XX_CLK_ADC>;
+            clock-names = "ep93xx-adc";
+            interrupt-parent = <&vic1>;
+            interrupts = <30>;
+        };
+    };
+...
diff --git a/MAINTAINERS b/MAINTAINERS
index 69565ac0c224..4a914d5bc2e6 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2027,8 +2027,10 @@ M:	Hartley Sweeten <hsweeten@...ionengravers.com>
 M:	Alexander Sverdlin <alexander.sverdlin@...il.com>
 L:	linux-arm-kernel@...ts.infradead.org (moderated for non-subscribers)
 S:	Maintained
+F:	Documentation/devicetree/bindings/iio/adc/cirrus,ep9301-adc.yaml
 F:	arch/arm/mach-ep93xx/
 F:	arch/arm/mach-ep93xx/include/mach/
+F:	drivers/iio/adc/ep93xx_adc.c
 
 ARM/CLKDEV SUPPORT
 M:	Russell King <linux@...linux.org.uk>
-- 
2.37.3