51a21e0e7b
Fix all the warnings in the DT binding schema examples when built with 'W=1'. This is in preparation to make that the default for examples. Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Acked-by: Stephen Boyd <sboyd@kernel.org> Acked-by: Sam Ravnborg <sam@ravnborg.org> Acked-by: Vinod Koul <vkoul@kernel.org> Acked-by: Lee Jones <lee.jones@linaro.org> Acked-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Acked-by: Mark Brown <broonie@kernel.org> Acked-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> Cc: Daniel Lezcano <daniel.lezcano@linaro.org> Cc: Kishon Vijay Abraham I <kishon@ti.com> Cc: Ulf Hansson <ulf.hansson@linaro.org> Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com> Cc: Krzysztof Kozlowski <krzk@kernel.org> Cc: Kukjin Kim <kgene@kernel.org> Cc: Jonathan Cameron <jic23@kernel.org> Cc: Thierry Reding <thierry.reding@gmail.com> Cc: Chen-Yu Tsai <wens@csie.org> Cc: Maxime Ripard <mripard@kernel.org> Cc: Alexandre Torgue <alexandre.torgue@st.com> Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com> Signed-off-by: Rob Herring <robh@kernel.org>
107 lines
2.6 KiB
YAML
107 lines
2.6 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/nvmem/nvmem.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: NVMEM (Non Volatile Memory) Device Tree Bindings
|
|
|
|
maintainers:
|
|
- Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
|
|
|
|
description: |
|
|
This binding is intended to represent the location of hardware
|
|
configuration data stored in NVMEMs like eeprom, efuses and so on.
|
|
|
|
On a significant proportion of boards, the manufacturer has stored
|
|
some data on NVMEM, for the OS to be able to retrieve these
|
|
information and act upon it. Obviously, the OS has to know about
|
|
where to retrieve these data from, and where they are stored on the
|
|
storage device.
|
|
|
|
properties:
|
|
$nodename:
|
|
pattern: "^(eeprom|efuse|nvram)(@.*|-[0-9a-f])*$"
|
|
|
|
"#address-cells":
|
|
const: 1
|
|
|
|
"#size-cells":
|
|
const: 1
|
|
|
|
read-only:
|
|
$ref: /schemas/types.yaml#/definitions/flag
|
|
description:
|
|
Mark the provider as read only.
|
|
|
|
wp-gpios:
|
|
description:
|
|
GPIO to which the write-protect pin of the chip is connected.
|
|
The write-protect GPIO is asserted, when it's driven high
|
|
(logical '1') to block the write operation. It's deasserted,
|
|
when it's driven low (logical '0') to allow writing.
|
|
maxItems: 1
|
|
|
|
patternProperties:
|
|
"^.*@[0-9a-f]+$":
|
|
type: object
|
|
|
|
properties:
|
|
reg:
|
|
maxItems: 1
|
|
description:
|
|
Offset and size in bytes within the storage device.
|
|
|
|
bits:
|
|
maxItems: 1
|
|
items:
|
|
items:
|
|
- minimum: 0
|
|
maximum: 7
|
|
description:
|
|
Offset in bit within the address range specified by reg.
|
|
- minimum: 1
|
|
description:
|
|
Size in bit within the address range specified by reg.
|
|
|
|
required:
|
|
- reg
|
|
|
|
additionalProperties: false
|
|
|
|
examples:
|
|
- |
|
|
#include <dt-bindings/gpio/gpio.h>
|
|
|
|
qfprom: eeprom@700000 {
|
|
#address-cells = <1>;
|
|
#size-cells = <1>;
|
|
reg = <0x00700000 0x100000>;
|
|
|
|
wp-gpios = <&gpio1 3 GPIO_ACTIVE_HIGH>;
|
|
|
|
/* ... */
|
|
|
|
/* Data cells */
|
|
tsens_calibration: calib@404 {
|
|
reg = <0x404 0x10>;
|
|
};
|
|
|
|
tsens_calibration_bckp: calib_bckp@504 {
|
|
reg = <0x504 0x11>;
|
|
bits = <6 128>;
|
|
};
|
|
|
|
pvs_version: pvs-version@6 {
|
|
reg = <0x6 0x2>;
|
|
bits = <7 2>;
|
|
};
|
|
|
|
speed_bin: speed-bin@c{
|
|
reg = <0xc 0x1>;
|
|
bits = <2 3>;
|
|
};
|
|
};
|
|
|
|
...
|