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Message-Id: <20240325-hsi-dt-binding-v1-2-88e8e97c3aae@collabora.com>
Date: Mon, 25 Mar 2024 22:45:28 +0100
From: Sebastian Reichel <sebastian.reichel@...labora.com>
To: Rob Herring <robh@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley <conor+dt@...nel.org>, Sebastian Reichel <sre@...nel.org>
Cc: Tony Lindgren <tony@...mide.com>, devicetree@...r.kernel.org,
linux-omap@...r.kernel.org, linux-kernel@...r.kernel.org,
Sebastian Reichel <sebastian.reichel@...labora.com>
Subject: [PATCH 2/3] dt-bindings: hsi: nokia-modem: convert to YAML
Convert the legacy txt binding to modern YAML.
No semantic change.
Signed-off-by: Sebastian Reichel <sebastian.reichel@...labora.com>
---
.../devicetree/bindings/hsi/nokia-modem.txt | 59 ------------
.../devicetree/bindings/hsi/nokia-modem.yaml | 101 +++++++++++++++++++++
2 files changed, 101 insertions(+), 59 deletions(-)
diff --git a/Documentation/devicetree/bindings/hsi/nokia-modem.txt b/Documentation/devicetree/bindings/hsi/nokia-modem.txt
deleted file mode 100644
index 53de1d9d0b95..000000000000
--- a/Documentation/devicetree/bindings/hsi/nokia-modem.txt
+++ /dev/null
@@ -1,59 +0,0 @@
-Nokia modem client bindings
-
-The Nokia modem HSI client follows the common HSI client binding
-and inherits all required properties. The following additional
-properties are needed by the Nokia modem HSI client:
-
-Required properties:
-- compatible: Should be one of
- "nokia,n900-modem"
- "nokia,n950-modem"
- "nokia,n9-modem"
-- hsi-channel-names: Should contain the following strings
- "mcsaab-control"
- "speech-control"
- "speech-data"
- "mcsaab-data"
-- gpios: Should provide a GPIO handler for each GPIO listed in
- gpio-names
-- gpio-names: Should contain the following strings
- "cmt_apeslpx" (for n900, n950, n9)
- "cmt_rst_rq" (for n900, n950, n9)
- "cmt_en" (for n900, n950, n9)
- "cmt_rst" (for n900)
- "cmt_bsi" (for n900)
-- interrupts: Should be IRQ handle for modem's reset indication
-
-Example:
-
-&ssi_port {
- modem: hsi-client {
- compatible = "nokia,n900-modem";
-
- pinctrl-names = "default";
- pinctrl-0 = <&modem_pins>;
-
- hsi-channel-ids = <0>, <1>, <2>, <3>;
- hsi-channel-names = "mcsaab-control",
- "speech-control",
- "speech-data",
- "mcsaab-data";
- hsi-speed-kbps = <55000>;
- hsi-mode = "frame";
- hsi-flow = "synchronized";
- hsi-arb-mode = "round-robin";
-
- interrupts-extended = <&gpio3 8 IRQ_TYPE_EDGE_FALLING>; /* 72 */
-
- gpios = <&gpio3 6 GPIO_ACTIVE_HIGH>, /* 70 */
- <&gpio3 9 GPIO_ACTIVE_HIGH>, /* 73 */
- <&gpio3 10 GPIO_ACTIVE_HIGH>, /* 74 */
- <&gpio3 11 GPIO_ACTIVE_HIGH>, /* 75 */
- <&gpio5 29 GPIO_ACTIVE_HIGH>; /* 157 */
- gpio-names = "cmt_apeslpx",
- "cmt_rst_rq",
- "cmt_en",
- "cmt_rst",
- "cmt_bsi";
- };
-};
diff --git a/Documentation/devicetree/bindings/hsi/nokia-modem.yaml b/Documentation/devicetree/bindings/hsi/nokia-modem.yaml
new file mode 100644
index 000000000000..c57cbcc7b722
--- /dev/null
+++ b/Documentation/devicetree/bindings/hsi/nokia-modem.yaml
@@ -0,0 +1,101 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/hsi/nokia-modem.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Nokia modem
+
+maintainers:
+ - Sebastian Reichel <sre@...nel.org>
+
+properties:
+ compatible:
+ enum:
+ - nokia,n900-modem
+ - nokia,n950-modem
+ - nokia,n9-modem
+
+ hsi-channel-names:
+ items:
+ - const: mcsaab-control
+ - const: speech-control
+ - const: speech-data
+ - const: mcsaab-data
+
+ interrupts:
+ items:
+ - description: modem reset indication
+
+ gpios:
+ minItems: 3
+ maxItems: 5
+
+ gpio-names:
+ items:
+ - const: cmt_apeslpx
+ - const: cmt_rst_rq
+ - const: cmt_en
+ - const: cmt_rst
+ - const: cmt_bsi
+ minItems: 3
+
+required:
+ - gpios
+ - gpio-names
+ - interrupts
+
+allOf:
+ - $ref: hsi-client.yaml#
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - nokia,n950-modem
+ - nokia,n9-modem
+ then:
+ properties:
+ gpios:
+ maxItems: 3
+ gpio-names:
+ maxItems: 3
+ else:
+ properties:
+ gpios:
+ minItems: 5
+ gpio-names:
+ minItems: 5
+
+unevaluatedProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+ #include <dt-bindings/interrupt-controller/irq.h>
+ hsi-client {
+ compatible = "nokia,n900-modem";
+
+ hsi-channel-ids = <0>, <1>, <2>, <3>;
+ hsi-channel-names = "mcsaab-control",
+ "speech-control",
+ "speech-data",
+ "mcsaab-data";
+ hsi-speed-kbps = <55000>;
+ hsi-mode = "frame";
+ hsi-flow = "synchronized";
+ hsi-arb-mode = "round-robin";
+
+ interrupts-extended = <&gpio3 8 IRQ_TYPE_EDGE_FALLING>;
+
+ gpios = <&gpio3 6 GPIO_ACTIVE_HIGH>,
+ <&gpio3 9 GPIO_ACTIVE_HIGH>,
+ <&gpio3 10 GPIO_ACTIVE_HIGH>,
+ <&gpio3 11 GPIO_ACTIVE_HIGH>,
+ <&gpio5 29 GPIO_ACTIVE_HIGH>;
+ gpio-names = "cmt_apeslpx",
+ "cmt_rst_rq",
+ "cmt_en",
+ "cmt_rst",
+ "cmt_bsi";
+ };
--
2.43.0
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