From patchwork Wed Aug  3 09:12:26 2022
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
X-Patchwork-Submitter: Bough Chen <haibo.chen@nxp.com>
X-Patchwork-Id: 595152
Return-Path: <devicetree-owner@kernel.org>
X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on
 aws-us-west-2-korg-lkml-1.web.codeaurora.org
Received: from vger.kernel.org (vger.kernel.org [23.128.96.18])
 by smtp.lore.kernel.org (Postfix) with ESMTP id B2F0CC19F28
 for <linux-devicetree@archiver.kernel.org>;
 Wed,  3 Aug 2022 09:29:20 +0000 (UTC)
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
 id S237468AbiHCJ3T (ORCPT
 <rfc822;linux-devicetree@archiver.kernel.org>);
 Wed, 3 Aug 2022 05:29:19 -0400
Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47154 "EHLO
 lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
 with ESMTP id S237460AbiHCJ3L (ORCPT
 <rfc822;devicetree@vger.kernel.org>); Wed, 3 Aug 2022 05:29:11 -0400
Received: from inva021.nxp.com (inva021.nxp.com [92.121.34.21])
 by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3DE425926C;
 Wed,  3 Aug 2022 02:29:10 -0700 (PDT)
Received: from inva021.nxp.com (localhost [127.0.0.1])
 by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 016A52008D0;
 Wed,  3 Aug 2022 11:29:09 +0200 (CEST)
Received: from aprdc01srsp001v.ap-rdc01.nxp.com
 (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16])
 by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id BDDEF200891;
 Wed,  3 Aug 2022 11:29:08 +0200 (CEST)
Received: from localhost.localdomain (shlinux2.ap.freescale.net
 [10.192.224.44])
 by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id
 3B7E11820F57; Wed,  3 Aug 2022 17:29:07 +0800 (+08)
From: haibo.chen@nxp.com
To: jic23@kernel.org, lars@metafoo.de, robh+dt@kernel.org,
 krzysztof.kozlowski+dt@linaro.org, shawnguo@kernel.org,
 s.hauer@pengutronix.de
Cc: kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com,
 linux-iio@vger.kernel.org, devicetree@vger.kernel.org, haibo.chen@nxp.com
Subject: [PATCH 2/3] dt-bindings: iio: adc: Add binding documentation for NXP
 IMX93 ADC
Date: Wed,  3 Aug 2022 17:12:26 +0800
Message-Id: <1659517947-11207-2-git-send-email-haibo.chen@nxp.com>
X-Mailer: git-send-email 2.7.4
In-Reply-To: <1659517947-11207-1-git-send-email-haibo.chen@nxp.com>
References: <1659517947-11207-1-git-send-email-haibo.chen@nxp.com>
X-Virus-Scanned: ClamAV using ClamSMTP
Precedence: bulk
List-ID: <devicetree.vger.kernel.org>
X-Mailing-List: devicetree@vger.kernel.org

From: Haibo Chen <haibo.chen@nxp.com>

The IMX93 SoC has a new ADC IP, so add binding documentation
for NXP IMX93 ADC.

Signed-off-by: Haibo Chen <haibo.chen@nxp.com>
---
 .../bindings/iio/adc/nxp,imx93-adc.yaml       | 65 +++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml

diff --git a/Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml b/Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml
new file mode 100644
index 000000000000..e0eac5aa81d7
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/adc/nxp,imx93-adc.yaml
@@ -0,0 +1,65 @@
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/iio/adc/nxp,imx93-adc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: NXP ADC found on the imx93 SoC
+
+maintainers:
+  - Haibo Chen <haibo.chen@nxp.com>
+
+properties:
+  compatible:
+    const: nxp,imx93-adc
+
+  reg:
+    maxItems: 1
+
+  interrupts:
+    maxItems: 4
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    const: ipg
+
+  vref-supply: true
+
+  "#io-channel-cells":
+    const: 1
+
+required:
+  - compatible
+  - reg
+  - interrupts
+  - clocks
+  - clock-names
+  - vref-supply
+  - "#io-channel-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/clock/imx93-clock.h>
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    soc {
+        #address-cells = <1>;
+        #size-cells = <1>;
+        adc@44530000 {
+            compatible = "nxp,imx93-adc";
+            reg = <0x44530000 0x10000>;
+            interrupts = <GIC_SPI 217 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 218 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 219 IRQ_TYPE_LEVEL_HIGH>,
+                         <GIC_SPI 268 IRQ_TYPE_LEVEL_HIGH>;
+            clocks = <&clk IMX93_CLK_ADC1_GATE>;
+            clock-names = "ipg";
+            vref-supply = <&reg_vref_1v8>;
+            status = "disabled";
+        };
+    };
+...