diff options
author | Duje Mihanović <duje.mihanovic@skole.hr> | 2024-01-07 14:46:59 +0300 |
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committer | Uwe Kleine-König <u.kleine-koenig@pengutronix.de> | 2024-02-15 14:28:02 +0300 |
commit | bdc585f987a0e18be9399abc609d564c83f74c2b (patch) | |
tree | ae872a85c89df070010c737e775a02828b4b1973 /Documentation/devicetree | |
parent | e92ce0e8f9c985815800975f6d76e1fedb58076a (diff) | |
download | linux-bdc585f987a0e18be9399abc609d564c83f74c2b.tar.xz |
dt-bindings: pxa-pwm: Convert to YAML
Convert the PXA PWM binding file from TXT to YAML.
The original binding does not mention any clocks, but the PWM controller
will not probe without a clock.
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Duje Mihanović <duje.mihanovic@skole.hr>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20240107-pxa-pwm-yaml-v3-1-92ac90911c3f@skole.hr
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Diffstat (limited to 'Documentation/devicetree')
-rw-r--r-- | Documentation/devicetree/bindings/pwm/marvell,pxa-pwm.yaml | 51 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/pwm/pxa-pwm.txt | 30 |
2 files changed, 51 insertions, 30 deletions
diff --git a/Documentation/devicetree/bindings/pwm/marvell,pxa-pwm.yaml b/Documentation/devicetree/bindings/pwm/marvell,pxa-pwm.yaml new file mode 100644 index 000000000000..ba6325575ea0 --- /dev/null +++ b/Documentation/devicetree/bindings/pwm/marvell,pxa-pwm.yaml @@ -0,0 +1,51 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/pwm/marvell,pxa-pwm.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Marvell PXA PWM + +maintainers: + - Duje Mihanović <duje.mihanovic@skole.hr> + +allOf: + - $ref: pwm.yaml# + +properties: + compatible: + enum: + - marvell,pxa250-pwm + - marvell,pxa270-pwm + - marvell,pxa168-pwm + - marvell,pxa910-pwm + + reg: + # Length should be 0x10 + maxItems: 1 + + "#pwm-cells": + # Used for specifying the period length in nanoseconds + const: 1 + + clocks: + maxItems: 1 + +required: + - compatible + - reg + - "#pwm-cells" + - clocks + +additionalProperties: false + +examples: + - | + #include <dt-bindings/clock/pxa-clock.h> + + pwm0: pwm@40b00000 { + compatible = "marvell,pxa250-pwm"; + reg = <0x40b00000 0x10>; + #pwm-cells = <1>; + clocks = <&clks CLK_PWM0>; + }; diff --git a/Documentation/devicetree/bindings/pwm/pxa-pwm.txt b/Documentation/devicetree/bindings/pwm/pxa-pwm.txt deleted file mode 100644 index 5ae9f1e3c338..000000000000 --- a/Documentation/devicetree/bindings/pwm/pxa-pwm.txt +++ /dev/null @@ -1,30 +0,0 @@ -Marvell PWM controller - -Required properties: -- compatible: should be one or more of: - - "marvell,pxa250-pwm" - - "marvell,pxa270-pwm" - - "marvell,pxa168-pwm" - - "marvell,pxa910-pwm" -- reg: Physical base address and length of the registers used by the PWM channel - Note that one device instance must be created for each PWM that is used, so the - length covers only the register window for one PWM output, not that of the - entire PWM controller. Currently length is 0x10 for all supported devices. -- #pwm-cells: Should be 1. This cell is used to specify the period in - nanoseconds. - -Example PWM device node: - -pwm0: pwm@40b00000 { - compatible = "marvell,pxa250-pwm"; - reg = <0x40b00000 0x10>; - #pwm-cells = <1>; -}; - -Example PWM client node: - -backlight { - compatible = "pwm-backlight"; - pwms = <&pwm0 5000000>; - ... -} |