Devicetree
 help / color / mirror / Atom feed
From: Mukesh Kumar Savaliya <quic_msavaliy@quicinc.com>
To: alexandre.belloni@bootlin.com, robh@kernel.org,
	krzk+dt@kernel.org, conor+dt@kernel.org,
	jarkko.nikula@linux.intel.com, linux-i3c@lists.infradead.org,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Cc: andersson@kernel.org, konradybcio@kernel.org,
	Mukesh Kumar Savaliya <quic_msavaliy@quicinc.com>
Subject: [PATCH v3 1/3] dt-bindings: i3c: Add support for Qualcomm I3C controller
Date: Thu,  3 Apr 2025 19:16:42 +0530	[thread overview]
Message-ID: <20250403134644.3935983-2-quic_msavaliy@quicinc.com> (raw)
In-Reply-To: <20250403134644.3935983-1-quic_msavaliy@quicinc.com>

Add device tree bindings for the Qualcomm I3C controller. This includes
the necessary documentation and properties required to describe the
hardware in the device tree.

Signed-off-by: Mukesh Kumar Savaliya <quic_msavaliy@quicinc.com>
---
 .../bindings/i3c/qcom,geni-i3c.yaml           | 63 +++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/i3c/qcom,geni-i3c.yaml

diff --git a/Documentation/devicetree/bindings/i3c/qcom,geni-i3c.yaml b/Documentation/devicetree/bindings/i3c/qcom,geni-i3c.yaml
new file mode 100644
index 000000000000..25f0d92204d9
--- /dev/null
+++ b/Documentation/devicetree/bindings/i3c/qcom,geni-i3c.yaml
@@ -0,0 +1,63 @@
+# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/i3c/qcom,geni-i3c.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Geni based QUP I3C Controller
+
+maintainers:
+  - Mukesh Kumar Savaliya <quic_msavaliy@quicinc.com>
+
+description:
+  I3C in master mode supports up to 12.5MHz, SDR mode data transfer in mixed
+  bus mode (I2C and I3C target devices on same i3c bus). It also supports
+  hotjoin, IBI mechanism.
+
+  I3C Controller nodes must be child of GENI based Qualcomm Universal
+  Peripharal. Please refer GENI based QUP wrapper controller node bindings
+  described in Documentation/devicetree/bindings/soc/qcom/qcom,geni-se.yaml.
+
+allOf:
+  - $ref: i3c.yaml#
+
+properties:
+  compatible:
+    - qcom,geni-i3c
+
+  reg:
+    maxItems: 1
+
+  clocks:
+    maxItems: 1
+
+  clock-names:
+    const: se
+
+  interrupts:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+  - clocks
+  - clock-names
+  - interrupts
+
+unevaluatedProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    #include <dt-bindings/clock/qcom,sm8550-gcc.h>
+
+    i3c@884000 {
+        compatible = "qcom,geni-i3c";
+        reg = <0x00884000 0x4000>;
+        clocks = <&gcc GCC_QUPV3_WRAP2_S1_CLK>;
+        clock-names = "se";
+        interrupts = <GIC_SPI 583 IRQ_TYPE_LEVEL_HIGH>;
+        #address-cells = <3>;
+        #size-cells = <0>;
+    };
+...
-- 
2.25.1


  reply	other threads:[~2025-04-03 13:47 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-04-03 13:46 [PATCH v3 0/3] Add Qualcomm i3c controller driver support Mukesh Kumar Savaliya
2025-04-03 13:46 ` Mukesh Kumar Savaliya [this message]
2025-04-03 15:29   ` [PATCH v3 1/3] dt-bindings: i3c: Add support for Qualcomm I3C controller Rob Herring (Arm)
2025-04-03 17:39   ` Mukesh Kumar Savaliya
2025-04-04 10:26   ` Krzysztof Kozlowski
2025-04-08 13:22     ` Mukesh Kumar Savaliya
2025-04-03 13:46 ` [PATCH v3 2/3] i3c: master: Add Qualcomm I3C controller driver Mukesh Kumar Savaliya
2025-04-04 10:32   ` Krzysztof Kozlowski
2025-04-08 13:23     ` Mukesh Kumar Savaliya
2025-04-08 18:41       ` Krzysztof Kozlowski
2025-04-09  5:48         ` Mukesh Kumar Savaliya
2025-04-09  6:10           ` Krzysztof Kozlowski
2025-04-09  6:44             ` Mukesh Kumar Savaliya
2025-04-04 13:13   ` Frank Li
2025-04-08 13:24     ` Mukesh Kumar Savaliya
2025-04-03 13:46 ` [PATCH v3 3/3] MAINTAINERS: Add maintainer for Qualcomm's " Mukesh Kumar Savaliya

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20250403134644.3935983-2-quic_msavaliy@quicinc.com \
    --to=quic_msavaliy@quicinc.com \
    --cc=alexandre.belloni@bootlin.com \
    --cc=andersson@kernel.org \
    --cc=conor+dt@kernel.org \
    --cc=devicetree@vger.kernel.org \
    --cc=jarkko.nikula@linux.intel.com \
    --cc=konradybcio@kernel.org \
    --cc=krzk+dt@kernel.org \
    --cc=linux-arm-msm@vger.kernel.org \
    --cc=linux-i3c@lists.infradead.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=robh@kernel.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox