From: Jeff Chase <jnchase@google.com>
To: linux-media@vger.kernel.org
Cc: mchehab@kernel.org, hverkuil-cisco@xs4all.nl, robh+dt@kernel.org,
devicetree@vger.kernel.org, Jeff Chase <jnchase@google.com>
Subject: [PATCH v2 1/2] dt-bindings: Add ch7322 media i2c device
Date: Thu, 14 May 2020 22:51:58 -0400 [thread overview]
Message-ID: <20200515025159.101081-2-jnchase@google.com> (raw)
In-Reply-To: <20200515025159.101081-1-jnchase@google.com>
The ch7322 is a Chrontel CEC controller.
Signed-off-by: Jeff Chase <jnchase@google.com>
---
.../bindings/media/i2c/chrontel,ch7322.yaml | 65 +++++++++++++++++++
.../devicetree/bindings/vendor-prefixes.yaml | 2 +
MAINTAINERS | 7 ++
3 files changed, 74 insertions(+)
create mode 100644 Documentation/devicetree/bindings/media/i2c/chrontel,ch7322.yaml
diff --git a/Documentation/devicetree/bindings/media/i2c/chrontel,ch7322.yaml b/Documentation/devicetree/bindings/media/i2c/chrontel,ch7322.yaml
new file mode 100644
index 000000000000..d78e355e411a
--- /dev/null
+++ b/Documentation/devicetree/bindings/media/i2c/chrontel,ch7322.yaml
@@ -0,0 +1,65 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/media/i2c/ch7322.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Chrontel HDMI-CEC Controller
+
+maintainers:
+ - Jeff Chase <jnchase@google.com>
+
+description: |-
+ The Chrontel CH7322 is a discrete HDMI-CEC controller. It is
+ programmable through I2C and drives a single CEC line.
+
+properties:
+ compatible:
+ const: chrontel,ch7322
+
+ reg:
+ description: I2C device address
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+
+ interrupts:
+ maxItems: 1
+
+ reset-gpios:
+ description: |-
+ Reference to the GPIO connected to the RESET pin, if any. This
+ pin is active-low.
+
+ standby-gpios:
+ description: |-
+ Reference to the GPIO connected to the OE pin, if any. When low
+ the device will respond to power status requests with "standby"
+ if in auto mode.
+
+ # see ../cec.txt
+ hdmi-phandle:
+ description: phandle to the HDMI controller
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ ch7322@75 {
+ compatible = "chrontel,ch7322";
+ reg = <0x75>;
+ interrupts = <47 IRQ_TYPE_EDGE_RISING>;
+ standby-gpios = <&gpio 16 GPIO_ACTIVE_LOW>;
+ reset-gpios = <&gpio 15 GPIO_ACTIVE_LOW>;
+ hdmi-phandle = <&hdmi>;
+ };
+ };
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Documentation/devicetree/bindings/vendor-prefixes.yaml
index d3891386d671..7794ffccd325 100644
--- a/Documentation/devicetree/bindings/vendor-prefixes.yaml
+++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml
@@ -187,6 +187,8 @@ patternProperties:
description: ChipOne
"^chipspark,.*":
description: ChipSPARK
+ "^chrontel,.*":
+ description: Chrontel, Inc.
"^chrp,.*":
description: Common Hardware Reference Platform
"^chunghwa,.*":
diff --git a/MAINTAINERS b/MAINTAINERS
index d633a131dcd7..34c6d30e61e5 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4047,6 +4047,13 @@ F: drivers/power/supply/cros_usbpd-charger.c
N: cros_ec
N: cros-ec
+CHRONTEL CH7322 CEC DRIVER
+M: Jeff Chase <jnchase@google.com>
+L: linux-media@vger.kernel.org
+S: Maintained
+T: git git://linuxtv.org/media_tree.git
+F: Documentation/devicetree/bindings/media/i2c/chontel,ch7322.yaml
+
CIRRUS LOGIC AUDIO CODEC DRIVERS
M: James Schulman <james.schulman@cirrus.com>
M: David Rhodes <david.rhodes@cirrus.com>
--
2.26.2.761.g0e0b3e54be-goog
next prev parent reply other threads:[~2020-05-15 2:52 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-15 2:51 [PATCH v2 0/2] CH7322 CEC controller driver Jeff Chase
2020-05-15 2:51 ` Jeff Chase [this message]
2020-05-18 14:15 ` [PATCH v2 1/2] dt-bindings: Add ch7322 media i2c device Rob Herring
2020-05-15 2:51 ` [PATCH v2 2/2] media: cec: i2c: ch7322: Add ch7322 CEC controller driver Jeff Chase
2020-05-18 9:34 ` Hans Verkuil
2020-05-28 22:55 ` Jeff Chase
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