On 18/10/2024 12:17, Suzuki K Poulose wrote: > On 24/07/2024 20:13, Krzysztof Kozlowski wrote: >> On 03/07/2024 14:23, Mao Jinlong wrote: >>> Current name of coresight component's folder consists of prefix of >>> the device and the id in the device list. When run 'ls' command, >>> we can get the register address of the device. Take CTI for example, >>> if we want to set the config for modem CTI, but we can't know which >>> CTI is modem CTI from all current information. >>> >>> cti_sys0 -> ../../../devices/platform/soc@0/138f0000.cti/cti_sys0 >>> cti_sys1 -> ../../../devices/platform/soc@0/13900000.cti/cti_sys1 >>> >>> Add device-name in device tree which can provide a better description >>> of the coresight device. It can provide the info like the system or >>> HW it belongs to. >>> >>> Signed-off-by: Mao Jinlong <quic_jinlmao@xxxxxxxxxxx> >>> --- >>> .../devicetree/bindings/arm/arm,coresight-cti.yaml | 6 ++++++ >>> .../devicetree/bindings/arm/arm,coresight-dummy-source.yaml | 6 ++++++ >>> .../devicetree/bindings/arm/arm,coresight-stm.yaml | 6 ++++++ >>> .../devicetree/bindings/arm/qcom,coresight-tpdm.yaml | 6 ++++++ >>> 4 files changed, 24 insertions(+) >>> >>> diff --git a/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml b/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml >>> index 2d5545a2b49c..6a73eaa66a42 100644 >>> --- a/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml >>> +++ b/Documentation/devicetree/bindings/arm/arm,coresight-cti.yaml >>> @@ -98,6 +98,12 @@ properties: >>> power-domains: >>> maxItems: 1 >>> >>> + arm,cs-dev-name: >>> + $ref: /schemas/types.yaml#/definitions/string >>> + description: >>> + Define the name which can describe what kind of HW or system the >>> + coresight device belongs to. >> >> Don't we use already label for such cases? Power domains, input, leds, >> panels, IIO, hwmon and more. > > We do and if we can get hold of them, that would be ideal. but do we get > them in the binary DT blob ? At least I couldn't see them on my Juno > dtb. I meant "label" property (a string). See above bindings. Best regards, Krzysztof
