diff options
| author | Lubomir Rintel <lkundrak@v3.sk> | 2020-07-19 00:12:44 +0300 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2020-07-24 00:08:21 +0300 |
| commit | 0386e81d26d4677a067107b2fdb49993443e01c5 (patch) | |
| tree | a24ff34d45f7a3376e98986308c34cbec2eaf286 /Documentation/devicetree/bindings/misc | |
| parent | 0e77639e826891bf78583973d544751139567677 (diff) | |
| download | linux-0386e81d26d4677a067107b2fdb49993443e01c5.tar.xz | |
dt-bindings: misc: Convert olpc,xo1.75-ec to json-schema
Convert the OLPC XO-1.75 Embedded Controller binding to DT schema format
using json-schema.
Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
Link: https://lore.kernel.org/r/20200718211244.187938-1-lkundrak@v3.sk
Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/misc')
| -rw-r--r-- | Documentation/devicetree/bindings/misc/olpc,xo1.75-ec.txt | 23 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/misc/olpc,xo1.75-ec.yaml | 52 |
2 files changed, 52 insertions, 23 deletions
diff --git a/Documentation/devicetree/bindings/misc/olpc,xo1.75-ec.txt b/Documentation/devicetree/bindings/misc/olpc,xo1.75-ec.txt deleted file mode 100644 index 2d7cdf19a0d0..000000000000 --- a/Documentation/devicetree/bindings/misc/olpc,xo1.75-ec.txt +++ /dev/null @@ -1,23 +0,0 @@ -OLPC XO-1.75 Embedded Controller - -Required properties: -- compatible: Should be "olpc,xo1.75-ec". -- cmd-gpios: gpio specifier of the CMD pin - -The embedded controller requires the SPI controller driver to signal readiness -to receive a transfer (that is, when TX FIFO contains the response data) by -strobing the ACK pin with the ready signal. See the "ready-gpios" property of the -SSP binding as documented in: -<Documentation/devicetree/bindings/spi/marvell,mmp2-ssp.yaml>. - -Example: - &ssp3 { - spi-slave; - ready-gpios = <&gpio 125 GPIO_ACTIVE_HIGH>; - - slave { - compatible = "olpc,xo1.75-ec"; - spi-cpha; - cmd-gpios = <&gpio 155 GPIO_ACTIVE_HIGH>; - }; - }; diff --git a/Documentation/devicetree/bindings/misc/olpc,xo1.75-ec.yaml b/Documentation/devicetree/bindings/misc/olpc,xo1.75-ec.yaml new file mode 100644 index 000000000000..e75d77beec6a --- /dev/null +++ b/Documentation/devicetree/bindings/misc/olpc,xo1.75-ec.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +# Copyright (C) 2019,2020 Lubomir Rintel <lkundrak@v3.sk> +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/misc/olpc,xo1.75-ec.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: OLPC XO-1.75 Embedded Controller bindings + +description: | + This binding describes the Embedded Controller acting as a SPI bus master + on a OLPC XO-1.75 laptop computer. + + The embedded controller requires the SPI controller driver to signal + readiness to receive a transfer (that is, when TX FIFO contains the + response data) by strobing the ACK pin with the ready signal. See the + "ready-gpios" property of the SSP binding as documented in: + <Documentation/devicetree/bindings/spi/marvell,mmp2-ssp.yaml>. + +maintainers: + - Lubomir Rintel <lkundrak@v3.sk> + +properties: + compatible: + const: olpc,xo1.75-ec + + cmd-gpios: + description: GPIO uspecifier of the CMD pin + maxItems: 1 + +required: + - compatible + - cmd-gpios + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/gpio/gpio.h> + + spi { + spi-slave; + ready-gpios = <&gpio 125 GPIO_ACTIVE_HIGH>; + + slave { + compatible = "olpc,xo1.75-ec"; + spi-cpha; + cmd-gpios = <&gpio 155 GPIO_ACTIVE_HIGH>; + }; + }; + +... |