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Message-ID: <20210521075103.13917-1-a-govindraju@ti.com>
Date: Fri, 21 May 2021 13:21:01 +0530
From: Aswath Govindraju <a-govindraju@...com>
To: unlisted-recipients:; (no To-header on input)
CC: Vignesh Raghavendra <vigneshr@...com>,
Lokesh Vutla <lokeshvutla@...com>, Nishanth Menon <nm@...com>,
Kishon Vijay Abraham I <kishon@...com>,
Grygorii Strashko <grygorii.strashko@...com>,
Aswath Govindraju <a-govindraju@...com>,
Linus Walleij <linus.walleij@...aro.org>,
Bartosz Golaszewski <bgolaszewski@...libre.com>,
Rob Herring <robh+dt@...nel.org>, Keerthy <j-keerthy@...com>,
<linux-gpio@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-kernel@...r.kernel.org>
Subject: [PATCH v2] dt-bindings: gpio: gpio-davinci: Convert to json-schema
Convert gpio-davinci dt-binding documentation from txt to yaml format.
Signed-off-by: Aswath Govindraju <a-govindraju@...com>
---
changes since v1:
- combined the individual compatible properties into one enum
- added maxItems and minItems properties for gpio-line-names and
interrupts
- updated the description of interrupts property
- removed the description for properties that are general
- updated the pattern property for gpio hog to indicate any sort
node name based on its usage
- corrected the example wakeup gpio node name
.../devicetree/bindings/gpio/gpio-davinci.txt | 167 ---------------
.../bindings/gpio/gpio-davinci.yaml | 196 ++++++++++++++++++
MAINTAINERS | 2 +-
3 files changed, 197 insertions(+), 168 deletions(-)
delete mode 100644 Documentation/devicetree/bindings/gpio/gpio-davinci.txt
create mode 100644 Documentation/devicetree/bindings/gpio/gpio-davinci.yaml
diff --git a/Documentation/devicetree/bindings/gpio/gpio-davinci.txt b/Documentation/devicetree/bindings/gpio/gpio-davinci.txt
deleted file mode 100644
index 696ea46227d1..000000000000
--- a/Documentation/devicetree/bindings/gpio/gpio-davinci.txt
+++ /dev/null
@@ -1,167 +0,0 @@
-Davinci/Keystone GPIO controller bindings
-
-Required Properties:
-- compatible: should be "ti,dm6441-gpio": for Davinci da850 SoCs
- "ti,keystone-gpio": for Keystone 2 66AK2H/K, 66AK2L,
- 66AK2E SoCs
- "ti,k2g-gpio", "ti,keystone-gpio": for 66AK2G
- "ti,am654-gpio", "ti,keystone-gpio": for TI K3 AM654
- "ti,j721e-gpio", "ti,keystone-gpio": for J721E SoCs
- "ti,am64-gpio", "ti,keystone-gpio": for AM64 SoCs
-
-- reg: Physical base address of the controller and the size of memory mapped
- registers.
-
-- gpio-controller : Marks the device node as a gpio controller.
-
-- #gpio-cells : Should be two.
- - first cell is the pin number
- - second cell is used to specify optional parameters (unused)
-
-- interrupts: Array of GPIO interrupt number. Only banked or unbanked IRQs are
- supported at a time.
-
-- ti,ngpio: The number of GPIO pins supported.
-
-- ti,davinci-gpio-unbanked: The number of GPIOs that have an individual interrupt
- line to processor.
-
-- clocks: Should contain the device's input clock, and should be defined as per
- the appropriate clock bindings consumer usage in,
-
- Documentation/devicetree/bindings/clock/keystone-gate.txt
- for 66AK2HK/66AK2L/66AK2E SoCs or,
-
- Documentation/devicetree/bindings/clock/ti,sci-clk.txt
- for 66AK2G SoCs
-
-- clock-names: Name should be "gpio";
-
-Currently clock-names and clocks are needed for all keystone 2 platforms
-Davinci platforms do not have DT clocks as of now.
-
-The GPIO controller also acts as an interrupt controller. It uses the default
-two cells specifier as described in Documentation/devicetree/bindings/
-interrupt-controller/interrupts.txt.
-
-Example:
-
-gpio: gpio@...6000 {
- compatible = "ti,dm6441-gpio";
- gpio-controller;
- #gpio-cells = <2>;
- reg = <0x226000 0x1000>;
- interrupt-parent = <&intc>;
- interrupts = <42 IRQ_TYPE_EDGE_BOTH 43 IRQ_TYPE_EDGE_BOTH
- 44 IRQ_TYPE_EDGE_BOTH 45 IRQ_TYPE_EDGE_BOTH
- 46 IRQ_TYPE_EDGE_BOTH 47 IRQ_TYPE_EDGE_BOTH
- 48 IRQ_TYPE_EDGE_BOTH 49 IRQ_TYPE_EDGE_BOTH
- 50 IRQ_TYPE_EDGE_BOTH>;
- ti,ngpio = <144>;
- ti,davinci-gpio-unbanked = <0>;
- interrupt-controller;
- #interrupt-cells = <2>;
-};
-
-leds {
- compatible = "gpio-leds";
-
- led1 {
- label = "davinci:green:usr1";
- gpios = <&gpio 10 GPIO_ACTIVE_HIGH>;
- ...
- };
-
- led2 {
- label = "davinci:red:debug1";
- gpios = <&gpio 11 GPIO_ACTIVE_HIGH>;
- ...
- };
-};
-
-Example for 66AK2G:
-
-gpio0: gpio@...3000 {
- compatible = "ti,k2g-gpio", "ti,keystone-gpio";
- reg = <0x02603000 0x100>;
- gpio-controller;
- #gpio-cells = <2>;
- interrupts = <GIC_SPI 432 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 433 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 434 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 435 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 436 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 437 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 438 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 439 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 440 IRQ_TYPE_EDGE_RISING>;
- interrupt-controller;
- #interrupt-cells = <2>;
- ti,ngpio = <144>;
- ti,davinci-gpio-unbanked = <0>;
- clocks = <&k2g_clks 0x001b 0x0>;
- clock-names = "gpio";
-};
-
-Example for 66AK2HK/66AK2L/66AK2E:
-
-gpio0: gpio@...bf00 {
- compatible = "ti,keystone-gpio";
- reg = <0x0260bf00 0x100>;
- gpio-controller;
- #gpio-cells = <2>;
- /* HW Interrupts mapped to GPIO pins */
- interrupts = <GIC_SPI 120 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 121 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 122 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 123 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 124 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 125 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 126 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 127 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 128 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 129 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 130 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 131 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 132 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 133 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 134 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 135 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 136 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 137 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 138 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 139 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 140 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 141 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 142 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 143 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 144 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 145 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 146 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 147 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 148 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 149 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 150 IRQ_TYPE_EDGE_RISING>,
- <GIC_SPI 151 IRQ_TYPE_EDGE_RISING>;
- clocks = <&clkgpio>;
- clock-names = "gpio";
- ti,ngpio = <32>;
- ti,davinci-gpio-unbanked = <32>;
-};
-
-Example for K3 AM654:
-
-wkup_gpio0: wkup_gpio0@...10000 {
- compatible = "ti,am654-gpio", "ti,keystone-gpio";
- reg = <0x42110000 0x100>;
- gpio-controller;
- #gpio-cells = <2>;
- interrupt-parent = <&intr_wkup_gpio>;
- interrupts = <59 128>, <59 129>, <59 130>, <59 131>;
- interrupt-controller;
- #interrupt-cells = <2>;
- ti,ngpio = <56>;
- ti,davinci-gpio-unbanked = <0>;
- clocks = <&k3_clks 59 0>;
- clock-names = "gpio";
-};
diff --git a/Documentation/devicetree/bindings/gpio/gpio-davinci.yaml b/Documentation/devicetree/bindings/gpio/gpio-davinci.yaml
new file mode 100644
index 000000000000..28b924997be5
--- /dev/null
+++ b/Documentation/devicetree/bindings/gpio/gpio-davinci.yaml
@@ -0,0 +1,196 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/gpio/gpio-davinci.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: GPIO controller for Davinci and keystone devices
+
+maintainers:
+ - Keerthy <j-keerthy@...com>
+
+properties:
+ compatible:
+ oneOf:
+ - items:
+ - enum:
+ - ti,k2g-gpio
+ - ti,am654-gpio
+ - ti,j721e-gpio
+ - ti,am64-gpio
+ - const: ti,keystone-gpio
+
+ - items:
+ - enum:
+ - ti,dm6441-gpio
+ - ti,keystone-gpio
+
+ reg:
+ maxItems: 1
+
+ gpio-controller: true
+
+ gpio-ranges: true
+
+ gpio-line-names:
+ description: strings describing the names of each gpio line.
+ minItems: 1
+ maxItems: 100
+
+ "#gpio-cells":
+ const: 2
+ description:
+ first cell is the pin number and second cell is used to specify optional parameters (unused).
+
+ interrupts:
+ description:
+ The interrupts are specified as per the interrupt parent. Only banked
+ or unbanked IRQs are supported at a time. If the interrupts are
+ banked then provide list of interrupts corresponding to each bank, else
+ provide the list of interrupts for each gpio.
+ minItems: 1
+ maxItems: 100
+
+ ti,ngpio:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: The number of GPIO pins supported consecutively.
+ minimum: 1
+
+ ti,davinci-gpio-unbanked:
+ $ref: /schemas/types.yaml#/definitions/uint32
+ description: The number of GPIOs that have an individual interrupt line to processor.
+ minimum: 0
+
+ clocks:
+ maxItems: 1
+
+ clock-names:
+ const: gpio
+
+ interrupt-controller: true
+
+ power-domains:
+ maxItems: 1
+
+ "#interrupt-cells":
+ const: 2
+
+patternProperties:
+ "^.*$":
+ if:
+ type: object
+ then:
+ properties:
+ gpios: true
+ gpio-hog: true
+ input: true
+ output-high: true
+ output-low: true
+ line-name: true
+
+ required:
+ - gpio-hog
+ - gpios
+
+required:
+ - compatible
+ - reg
+ - gpio-controller
+ - "#gpio-cells"
+ - interrupts
+ - ti,ngpio
+ - ti,davinci-gpio-unbanked
+ - clocks
+ - clock-names
+
+additionalProperties: false
+
+examples:
+ - |
+ #include<dt-bindings/interrupt-controller/arm-gic.h>
+
+ gpio0: gpio@...3000 {
+ compatible = "ti,k2g-gpio", "ti,keystone-gpio";
+ reg = <0x02603000 0x100>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupts = <GIC_SPI 432 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 433 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 434 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 435 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 436 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 437 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 438 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 439 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 440 IRQ_TYPE_EDGE_RISING>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ ti,ngpio = <144>;
+ ti,davinci-gpio-unbanked = <0>;
+ clocks = <&k2g_clks 0x001b 0x0>;
+ clock-names = "gpio";
+ };
+
+ - |
+ #include<dt-bindings/interrupt-controller/arm-gic.h>
+
+ gpio1: gpio@...bf00 {
+ compatible = "ti,keystone-gpio";
+ reg = <0x0260bf00 0x100>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ /* HW Interrupts mapped to GPIO pins */
+ interrupts = <GIC_SPI 120 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 121 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 122 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 123 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 124 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 125 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 126 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 127 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 128 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 129 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 130 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 131 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 132 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 133 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 134 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 135 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 136 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 137 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 138 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 139 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 140 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 141 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 142 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 143 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 144 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 145 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 146 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 147 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 148 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 149 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 150 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 151 IRQ_TYPE_EDGE_RISING>;
+ clocks = <&clkgpio>;
+ clock-names = "gpio";
+ ti,ngpio = <32>;
+ ti,davinci-gpio-unbanked = <32>;
+ };
+
+ - |
+ wkup_gpio0: gpio0@...10000 {
+ compatible = "ti,am654-gpio", "ti,keystone-gpio";
+ reg = <0x42110000 0x100>;
+ gpio-controller;
+ #gpio-cells = <2>;
+ interrupt-parent = <&intr_wkup_gpio>;
+ interrupts = <60>, <61>, <62>, <63>;
+ interrupt-controller;
+ #interrupt-cells = <2>;
+ ti,ngpio = <56>;
+ ti,davinci-gpio-unbanked = <0>;
+ clocks = <&k3_clks 59 0>;
+ clock-names = "gpio";
+ };
+
diff --git a/MAINTAINERS b/MAINTAINERS
index a2f94f095832..b0a185c7016a 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -18304,7 +18304,7 @@ TI DAVINCI SERIES GPIO DRIVER
M: Keerthy <j-keerthy@...com>
L: linux-gpio@...r.kernel.org
S: Maintained
-F: Documentation/devicetree/bindings/gpio/gpio-davinci.txt
+F: Documentation/devicetree/bindings/gpio/gpio-davinci.yaml
F: drivers/gpio/gpio-davinci.c
TI DAVINCI SERIES MEDIA DRIVER
--
2.17.1
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