| Message ID | 20240624173105.909554-2-jbrunet@baylibre.com (mailing list archive) |
|---|---|
| State | New |
| Headers | show |
| Series | iio: frequency: add iio support for Amlogic clock measure | expand |
On 24/06/2024 19:31, Jerome Brunet wrote: > Introduce new bindings for the clock measure IP found Amlogic SoCs. > These new bindings help bring IIO support to AML clock measure. > > Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> <form letter> Please use scripts/get_maintainers.pl to get a list of necessary people and lists to CC. It might happen, that command when run on an older kernel, gives you outdated entries. Therefore please be sure you base your patches on recent Linux kernel. Tools like b4 or scripts/get_maintainer.pl provide you proper list of people, so fix your workflow. Tools might also fail if you work on some ancient tree (don't, instead use mainline), work on fork of kernel (don't, instead use mainline) or you ignore some maintainers (really don't). Just use b4 and everything should be fine, although remember about `b4 prep --auto-to-cc` if you added new patches to the patchset. You missed at least devicetree list (maybe more), so this won't be tested by automated tooling. Please kindly resend and include all necessary To/Cc entries. </form letter> Best regards, Krzysztof
diff --git a/Documentation/devicetree/bindings/iio/frequency/amlogic,clk-msr-io.yaml b/Documentation/devicetree/bindings/iio/frequency/amlogic,clk-msr-io.yaml new file mode 100644 index 000000000000..eeb268b4a607 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/frequency/amlogic,clk-msr-io.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/iio/frequency/amlogic,clk-msr-io.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Amlogic System Clock Measurer + +description: + Internal clock rate sensor within Amlogic SoCs + +maintainers: + - Neil Armstrong <neil.armstrong@linaro.org> + +properties: + compatible: + enum: + - amlogic,meson8-clk-msr-io + - amlogic,gx-clk-msr-io + - amlogic,axg-clk-msr-io + - amlogic,g12a-clk-msr-io + - amlogic,sm1-clk-msr-io + + reg: + maxItems: 2 + + reg-names: + items: + - const: reg + - const: duty + + "#io-channel-cells": + const: 1 + +required: + - compatible + - reg + - reg-names + +unevaluatedProperties: false + +examples: + - | + clk_msr: rate-sensor@18000 { + compatible = "amlogic,axg-clk-msr-io"; + reg = <0x18004 0xc>, + <0x18000 0x4>; + reg-names = "reg", "duty"; + #io-channel-cells = <1>; + };
Introduce new bindings for the clock measure IP found Amlogic SoCs. These new bindings help bring IIO support to AML clock measure. Signed-off-by: Jerome Brunet <jbrunet@baylibre.com> --- NOTE: #1: Splitting the register space looks odd. This is done to help support future SoCs. From meson8 to sm1, duty register comes first, then the reg space. On s4 and c3, duty comes after the reg space. #2: 'reg' may look like a poor choice of name. This comes from the documentation. - MSR_CLK_REGx for the 'reg' space (x being a number) - MSR_CLK_DUTY for the 'duty' space .../iio/frequency/amlogic,clk-msr-io.yaml | 50 +++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 Documentation/devicetree/bindings/iio/frequency/amlogic,clk-msr-io.yaml