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Message-Id: <f3f33f75c8911697f2c1dbde626f01187199bdc2.1621518686.git.geert+renesas@glider.be>
Date: Thu, 20 May 2021 15:58:39 +0200
From: Geert Uytterhoeven <geert+renesas@...der.be>
To: Rob Herring <robh+dt@...nel.org>, Shawn Guo <shawnguo@...nel.org>,
Linus Walleij <linus.walleij@...aro.org>,
Andy Gross <agross@...nel.org>,
Bjorn Andersson <bjorn.andersson@...aro.org>,
Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
"David S . Miller" <davem@...emloft.net>,
Jakub Kicinski <kuba@...nel.org>
Cc: devicetree@...r.kernel.org, netdev@...r.kernel.org,
linux-arm-msm@...r.kernel.org, linux-mips@...r.kernel.org,
linux-kernel@...r.kernel.org,
Geert Uytterhoeven <geert+renesas@...der.be>
Subject: [PATCH 5/5] dt-bindings: net: sms911x: Convert to json-schema
Convert the Smart Mixed-Signal Connectivity (SMSC) LAN911x/912x
Controller Device Tree binding documentation to json-schema.
Document missing properties.
Make "phy-mode" not required, as many DTS files do not have it, and the
Linux drivers falls back to PHY_INTERFACE_MODE_NA.
Correct nodename in example.
Signed-off-by: Geert Uytterhoeven <geert+renesas@...der.be>
---
I have listed Shawn as the maintainer, as he wrote the original
bindings. Shawn: Please scream if this is inappropriate ;-)
I left "additionalProperties: true", as there are lots of bus-specific
properties ("qcom,*", "samsung,*", "fsl,*", "gpmc,*", ...) to be found,
that actually depend on the compatible value of the parent node.
---
.../devicetree/bindings/net/gpmc-eth.txt | 2 +-
.../devicetree/bindings/net/smsc,lan9115.yaml | 107 ++++++++++++++++++
.../devicetree/bindings/net/smsc911x.txt | 43 -------
3 files changed, 108 insertions(+), 44 deletions(-)
create mode 100644 Documentation/devicetree/bindings/net/smsc,lan9115.yaml
delete mode 100644 Documentation/devicetree/bindings/net/smsc911x.txt
diff --git a/Documentation/devicetree/bindings/net/gpmc-eth.txt b/Documentation/devicetree/bindings/net/gpmc-eth.txt
index f7da3d73ca1b2e15..32821066a85b0078 100644
--- a/Documentation/devicetree/bindings/net/gpmc-eth.txt
+++ b/Documentation/devicetree/bindings/net/gpmc-eth.txt
@@ -13,7 +13,7 @@ Documentation/devicetree/bindings/memory-controllers/omap-gpmc.txt
For the properties relevant to the ethernet controller connected to the GPMC
refer to the binding documentation of the device. For example, the documentation
-for the SMSC 911x is Documentation/devicetree/bindings/net/smsc911x.txt
+for the SMSC 911x is Documentation/devicetree/bindings/net/smsc,lan9115.yaml
Child nodes need to specify the GPMC bus address width using the "bank-width"
property but is possible that an ethernet controller also has a property to
diff --git a/Documentation/devicetree/bindings/net/smsc,lan9115.yaml b/Documentation/devicetree/bindings/net/smsc,lan9115.yaml
new file mode 100644
index 0000000000000000..294fa3edf966695a
--- /dev/null
+++ b/Documentation/devicetree/bindings/net/smsc,lan9115.yaml
@@ -0,0 +1,107 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/net/smsc,lan9115.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Smart Mixed-Signal Connectivity (SMSC) LAN911x/912x Controller
+
+maintainers:
+ - Shawn Guo <shawnguo@...nel.org>
+
+allOf:
+ - $ref: ethernet-controller.yaml#
+
+properties:
+ compatible:
+ oneOf:
+ - const: smsc,lan9115
+ - items:
+ - enum:
+ - "smsc,lan89218"
+ - "smsc,lan9117"
+ - "smsc,lan9118"
+ - "smsc,lan9220"
+ - "smsc,lan9221"
+ - const: smsc,lan9115
+
+ reg:
+ maxItems: 1
+
+ reg-shift: true
+
+ reg-io-width:
+ enum: [ 2, 4 ]
+ default: 2
+
+ interrupts:
+ minItems: 1
+ items:
+ - description:
+ LAN interrupt line
+ - description:
+ Optional PME (power management event) interrupt that is able to wake
+ up the host system with a 50ms pulse on network activity
+
+ clocks:
+ maxItems: 1
+
+ phy-mode: true
+
+ smsc,irq-active-high:
+ type: boolean
+ description: Indicates the IRQ polarity is active-high
+
+ smsc,irq-push-pull:
+ type: boolean
+ description: Indicates the IRQ type is push-pull
+
+ smsc,force-internal-phy:
+ type: boolean
+ description: Forces SMSC LAN controller to use internal PHY
+
+ smsc,force-external-phy:
+ type: boolean
+ description: Forces SMSC LAN controller to use external PHY
+
+ smsc,save-mac-address:
+ type: boolean
+ description:
+ Indicates that MAC address needs to be saved before resetting the
+ controller
+
+ reset-gpios:
+ maxItems: 1
+ description:
+ A GPIO line connected to the RESET (active low) signal of the device.
+ On many systems this is wired high so the device goes out of reset at
+ power-on, but if it is under program control, this optional GPIO can
+ wake up in response to it.
+
+ vdd33a-supply:
+ description: 3.3V analog power supply
+
+ vddvario-supply:
+ description: IO logic power supply
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+additionalProperties: true
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ ethernet@...00000 {
+ compatible = "smsc,lan9220", "smsc,lan9115";
+ reg = <0xf4000000 0x2000000>;
+ phy-mode = "mii";
+ interrupt-parent = <&gpio1>;
+ interrupts = <31>, <32>;
+ reset-gpios = <&gpio1 30 GPIO_ACTIVE_LOW>;
+ reg-io-width = <4>;
+ smsc,irq-push-pull;
+ };
diff --git a/Documentation/devicetree/bindings/net/smsc911x.txt b/Documentation/devicetree/bindings/net/smsc911x.txt
deleted file mode 100644
index acfafc8e143c4c85..0000000000000000
--- a/Documentation/devicetree/bindings/net/smsc911x.txt
+++ /dev/null
@@ -1,43 +0,0 @@
-* Smart Mixed-Signal Connectivity (SMSC) LAN911x/912x Controller
-
-Required properties:
-- compatible : Should be "smsc,lan<model>", "smsc,lan9115"
-- reg : Address and length of the io space for SMSC LAN
-- interrupts : one or two interrupt specifiers
- - The first interrupt is the SMSC LAN interrupt line
- - The second interrupt (if present) is the PME (power
- management event) interrupt that is able to wake up the host
- system with a 50ms pulse on network activity
-- phy-mode : See ethernet.txt file in the same directory
-
-Optional properties:
-- reg-shift : Specify the quantity to shift the register offsets by
-- reg-io-width : Specify the size (in bytes) of the IO accesses that
- should be performed on the device. Valid value for SMSC LAN is
- 2 or 4. If it's omitted or invalid, the size would be 2.
-- smsc,irq-active-high : Indicates the IRQ polarity is active-high
-- smsc,irq-push-pull : Indicates the IRQ type is push-pull
-- smsc,force-internal-phy : Forces SMSC LAN controller to use
- internal PHY
-- smsc,force-external-phy : Forces SMSC LAN controller to use
- external PHY
-- smsc,save-mac-address : Indicates that mac address needs to be saved
- before resetting the controller
-- reset-gpios : a GPIO line connected to the RESET (active low) signal
- of the device. On many systems this is wired high so the device goes
- out of reset at power-on, but if it is under program control, this
- optional GPIO can wake up in response to it.
-- vdd33a-supply, vddvario-supply : 3.3V analog and IO logic power supplies
-
-Examples:
-
-lan9220@...00000 {
- compatible = "smsc,lan9220", "smsc,lan9115";
- reg = <0xf4000000 0x2000000>;
- phy-mode = "mii";
- interrupt-parent = <&gpio1>;
- interrupts = <31>, <32>;
- reset-gpios = <&gpio1 30 GPIO_ACTIVE_LOW>;
- reg-io-width = <4>;
- smsc,irq-push-pull;
-};
--
2.25.1
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