From d7d0efaf528a613a5f553ed3df2db23bc5614d9e Mon Sep 17 00:00:00 2001 From: Anjelique Melendez Date: Thu, 21 Dec 2023 10:58:32 -0800 Subject: dt-bindings: leds: leds-qcom-lpg: Add support for LPG PPG Update leds-qcom-lpg binding to support LPG PPG. Signed-off-by: Anjelique Melendez Reviewed-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20231221185838.28440-3-quic_amelende@quicinc.com Signed-off-by: Lee Jones --- .../devicetree/bindings/leds/leds-qcom-lpg.yaml | 82 +++++++++++++++++++++- 1 file changed, 81 insertions(+), 1 deletion(-) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml b/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml index ea84ad426df18e..6649ca2ec80502 100644 --- a/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml +++ b/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml @@ -11,7 +11,7 @@ maintainers: description: > The Qualcomm Light Pulse Generator consists of three different hardware blocks; - a ramp generator with lookup table, the light pulse generator and a three + a ramp generator with lookup table (LUT), the light pulse generator and a three channel current sink. These blocks are found in a wide range of Qualcomm PMICs. properties: @@ -63,6 +63,29 @@ properties: - description: dtest line to attach - description: flags for the attachment + nvmem: + description: > + This property is required for PMICs that supports PPG, which is when a + PMIC stores LPG per-channel data and pattern LUT in SDAM modules instead + of in a LUT peripheral. For PMICs, such as PM8350C, per-channel data + and pattern LUT is separated into 2 SDAM modules. In that case, phandles + to both SDAM modules need to be specified. + minItems: 1 + maxItems: 2 + + nvmem-names: + minItems: 1 + items: + - const: lpg_chan_sdam + - const: lut_sdam + + qcom,pbs: + $ref: /schemas/types.yaml#/definitions/phandle + description: > + Phandle of the Qualcomm Programmable Boot Sequencer node (PBS). + PBS node is used to trigger LPG pattern sequences for PMICs that support + single SDAM PPG. + multi-led: type: object $ref: leds-class-multicolor.yaml# @@ -106,6 +129,32 @@ required: additionalProperties: false +allOf: + - if: + properties: + compatible: + contains: + const: qcom,pmi632-lpg + then: + properties: + nvmem: + maxItems: 1 + nvmem-names: + maxItems: 1 + - if: + properties: + compatible: + contains: + enum: + - qcom,pm8350c-pwm + - qcom,pm8550-pwm + then: + properties: + nvmem: + minItems: 2 + nvmem-names: + minItems: 2 + examples: - | #include @@ -191,4 +240,35 @@ examples: compatible = "qcom,pm8916-pwm"; #pwm-cells = <2>; }; + - | + #include + + led-controller { + compatible = "qcom,pmi632-lpg"; + #address-cells = <1>; + #size-cells = <0>; + #pwm-cells = <2>; + nvmem-names = "lpg_chan_sdam"; + nvmem = <&pmi632_sdam_7>; + qcom,pbs = <&pmi632_pbs_client3>; + + led@1 { + reg = <1>; + color = ; + label = "red"; + }; + + led@2 { + reg = <2>; + color = ; + label = "green"; + }; + + led@3 { + reg = <3>; + color = ; + label = "blue"; + }; + }; + ... -- cgit 1.2.3-korg From 5fe5e2a3d75d18d762b23c49e18ac91bd19a626e Mon Sep 17 00:00:00 2001 From: Christian Marangi Date: Thu, 11 Jan 2024 17:04:55 +0100 Subject: docs: ABI: sysfs-class-led-trigger-netdev: Document now hidable link_* MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Document now hidable link speed modes for the LED netdev trigger. Link speed modes are now showed only if the named network device supports them and are hidden if not. Signed-off-by: Christian Marangi Reviewed-by: Marek Behún Link: https://lore.kernel.org/r/20240111160501.1774-2-ansuelsmth@gmail.com Signed-off-by: Lee Jones --- Documentation/ABI/testing/sysfs-class-led-trigger-netdev | 12 ++++++++++++ 1 file changed, 12 insertions(+) (limited to 'Documentation') diff --git a/Documentation/ABI/testing/sysfs-class-led-trigger-netdev b/Documentation/ABI/testing/sysfs-class-led-trigger-netdev index a6c307c4befa09..ed46b37ab8a284 100644 --- a/Documentation/ABI/testing/sysfs-class-led-trigger-netdev +++ b/Documentation/ABI/testing/sysfs-class-led-trigger-netdev @@ -88,6 +88,8 @@ Description: speed of 10MBps of the named network device. Setting this value also immediately changes the LED state. + Present only if the named network device supports 10Mbps link speed. + What: /sys/class/leds//link_100 Date: Jun 2023 KernelVersion: 6.5 @@ -101,6 +103,8 @@ Description: speed of 100Mbps of the named network device. Setting this value also immediately changes the LED state. + Present only if the named network device supports 100Mbps link speed. + What: /sys/class/leds//link_1000 Date: Jun 2023 KernelVersion: 6.5 @@ -114,6 +118,8 @@ Description: speed of 1000Mbps of the named network device. Setting this value also immediately changes the LED state. + Present only if the named network device supports 1000Mbps link speed. + What: /sys/class/leds//link_2500 Date: Nov 2023 KernelVersion: 6.8 @@ -127,6 +133,8 @@ Description: speed of 2500Mbps of the named network device. Setting this value also immediately changes the LED state. + Present only if the named network device supports 2500Mbps link speed. + What: /sys/class/leds//link_5000 Date: Nov 2023 KernelVersion: 6.8 @@ -140,6 +148,8 @@ Description: speed of 5000Mbps of the named network device. Setting this value also immediately changes the LED state. + Present only if the named network device supports 5000Mbps link speed. + What: /sys/class/leds//link_10000 Date: Nov 2023 KernelVersion: 6.8 @@ -153,6 +163,8 @@ Description: speed of 10000Mbps of the named network device. Setting this value also immediately changes the LED state. + Present only if the named network device supports 10000Mbps link speed. + What: /sys/class/leds//half_duplex Date: Jun 2023 KernelVersion: 6.5 -- cgit 1.2.3-korg From 96d947d4abb35dffe0d7fd02c735b88632819b6e Mon Sep 17 00:00:00 2001 From: Florian Eckert Date: Wed, 10 Jan 2024 14:34:10 +0100 Subject: Documentation: leds: Update led-trigger-tty ABI description The 'led-trigger-tty' uses the same naming in the ABI documentation as the 'led-trigger-netdev'. Which leads to the following warning when building the documentation. Warning: /sys/class/leds//rx is defined 2 times: Documentation/ABI/testing/sysfs-class-led-trigger-tty:7 Documentation/ABI/testing/sysfs-class-led-trigger-netdev:49 Warning: /sys/class/leds//tx is defined 2 times: Documentation/ABI/testing/sysfs-class-led-trigger-tty:15 Documentation/ABI/testing/sysfs-class-led-trigger-netdev:34 Renaming the 'What' path by prefixing it with 'tty_' solves this problem. Fixes: 6dec659896b4 ("leds: ledtrig-tty: Add additional line state evaluation") Reported-by: Stephen Rothwell Signed-off-by: Florian Eckert Link: https://lore.kernel.org/r/20240110133410.81645-1-fe@dev.tdt.de Signed-off-by: Lee Jones (cherry picked from commit ea411a8422c1d7f8193d726fb76ba09534b6a5fe) Signed-off-by: Lee Jones --- Documentation/ABI/testing/sysfs-class-led-trigger-tty | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'Documentation') diff --git a/Documentation/ABI/testing/sysfs-class-led-trigger-tty b/Documentation/ABI/testing/sysfs-class-led-trigger-tty index 30cef9ac0f493a..308fbc3627cd1a 100644 --- a/Documentation/ABI/testing/sysfs-class-led-trigger-tty +++ b/Documentation/ABI/testing/sysfs-class-led-trigger-tty @@ -1,11 +1,11 @@ -What: /sys/class/leds//ttyname +What: /sys/class/leds//ttyname Date: Dec 2020 KernelVersion: 5.10 Contact: linux-leds@vger.kernel.org Description: Specifies the tty device name of the triggering tty -What: /sys/class/leds//rx +What: /sys/class/leds//rx Date: February 2024 KernelVersion: 6.8 Description: @@ -13,7 +13,7 @@ Description: If set to 0, the LED will not blink on reception. If set to 1 (default), the LED will blink on reception. -What: /sys/class/leds//tx +What: /sys/class/leds//tx Date: February 2024 KernelVersion: 6.8 Description: @@ -21,7 +21,7 @@ Description: If set to 0, the LED will not blink on transmission. If set to 1 (default), the LED will blink on transmission. -What: /sys/class/leds//cts +What: /sys/class/leds//cts Date: February 2024 KernelVersion: 6.8 Description: @@ -31,7 +31,7 @@ Description: If set to 0 (default), the LED will not evaluate CTS. If set to 1, the LED will evaluate CTS. -What: /sys/class/leds//dsr +What: /sys/class/leds//dsr Date: February 2024 KernelVersion: 6.8 Description: @@ -41,7 +41,7 @@ Description: If set to 0 (default), the LED will not evaluate DSR. If set to 1, the LED will evaluate DSR. -What: /sys/class/leds//dcd +What: /sys/class/leds//dcd Date: February 2024 KernelVersion: 6.8 Description: @@ -51,7 +51,7 @@ Description: If set to 0 (default), the LED will not evaluate CAR (DCD). If set to 1, the LED will evaluate CAR (DCD). -What: /sys/class/leds//rng +What: /sys/class/leds//rng Date: February 2024 KernelVersion: 6.8 Description: -- cgit 1.2.3-korg From 615d49f55262fa1d140a5c9b7ebf52c1f00d2a90 Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Mon, 26 Feb 2024 08:37:12 +0100 Subject: dt-bindings: leds: qcom-lpg: Drop redundant qcom,pm8550-pwm in if:then: "qcom,pm8550-pwm" is compatible with "qcom,pm8350c-pwm" (latter used as fallback), thus it is enough for the "if:then:" clause to check for the presence of the fallback "qcom,pm8350c-pwm". Signed-off-by: Krzysztof Kozlowski Acked-by: Rob Herring Link: https://lore.kernel.org/r/20240226073713.19045-1-krzysztof.kozlowski@linaro.org Signed-off-by: Lee Jones --- Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml b/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml index 6649ca2ec80502..699db7995dd526 100644 --- a/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml +++ b/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml @@ -141,13 +141,13 @@ allOf: maxItems: 1 nvmem-names: maxItems: 1 + - if: properties: compatible: contains: enum: - qcom,pm8350c-pwm - - qcom,pm8550-pwm then: properties: nvmem: -- cgit 1.2.3-korg From 6c27bf4c6d3073caff0acc7abb5f6a5332f3319d Mon Sep 17 00:00:00 2001 From: Krzysztof Kozlowski Date: Mon, 26 Feb 2024 08:37:13 +0100 Subject: dt-bindings: leds: qcom-lpg: Narrow nvmem for other variants Only few variants support PPG and store LPG per-channel data and pattern in SDAM modules. Disallow the nvmem for other variants to make the binding precise. Signed-off-by: Krzysztof Kozlowski Acked-by: Rob Herring Link: https://lore.kernel.org/r/20240226073713.19045-2-krzysztof.kozlowski@linaro.org Signed-off-by: Lee Jones --- .../devicetree/bindings/leds/leds-qcom-lpg.yaml | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml b/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml index 699db7995dd526..54a428d3d46ffe 100644 --- a/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml +++ b/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml @@ -130,6 +130,26 @@ required: additionalProperties: false allOf: + - if: + properties: + compatible: + contains: + enum: + - qcom,pm660l-lpg + - qcom,pm8150b-lpg + - qcom,pm8150l-lpg + - qcom,pm8916-pwm + - qcom,pm8941-lpg + - qcom,pm8994-lpg + - qcom,pmc8180c-lpg + - qcom,pmi8994-lpg + - qcom,pmi8998-lpg + - qcom,pmk8550-pwm + then: + properties: + nvmem: false + nvmem-names: false + - if: properties: compatible: -- cgit 1.2.3-korg From 2c7c70f54f791ece44541a9254c1a73790fd4595 Mon Sep 17 00:00:00 2001 From: Abdel Alkuor Date: Mon, 4 Mar 2024 23:20:28 -0500 Subject: dt-bindings: leds: Add NCP5623 multi-LED Controller NCP5623 is DC-DC multi-LED controller which can be used for RGB illumination or backlight LCD display. Signed-off-by: Abdel Alkuor Reviewed-by: Krzysztof Kozlowski Link: https://lore.kernel.org/r/20240305042049.1533279-1-alkuor@gmail.com Signed-off-by: Lee Jones --- .../devicetree/bindings/leds/onnn,ncp5623.yaml | 96 ++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/onnn,ncp5623.yaml (limited to 'Documentation') diff --git a/Documentation/devicetree/bindings/leds/onnn,ncp5623.yaml b/Documentation/devicetree/bindings/leds/onnn,ncp5623.yaml new file mode 100644 index 00000000000000..9c9f3a682ba209 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/onnn,ncp5623.yaml @@ -0,0 +1,96 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/onnn,ncp5623.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: ON Semiconductor NCP5623 multi-LED Driver + +maintainers: + - Abdel Alkuor + +description: + NCP5623 Triple Output I2C Controlled LED Driver. + https://www.onsemi.com/pdf/datasheet/ncp5623-d.pdf + +properties: + compatible: + enum: + - onnn,ncp5623 + + reg: + const: 0x38 + + multi-led: + type: object + $ref: leds-class-multicolor.yaml# + unevaluatedProperties: false + + properties: + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + patternProperties: + "^led@[0-2]$": + type: object + $ref: common.yaml# + unevaluatedProperties: false + + properties: + reg: + minimum: 0 + maximum: 2 + + required: + - reg + - color + + required: + - "#address-cells" + - "#size-cells" + +required: + - compatible + - reg + - multi-led + +additionalProperties: false + +examples: + - | + #include + + i2c { + #address-cells = <1>; + #size-cells = <0>; + + led-controller@38 { + compatible = "onnn,ncp5623"; + reg = <0x38>; + + multi-led { + color = ; + + #address-cells = <1>; + #size-cells = <0>; + + led@0 { + reg = <0>; + color = ; + }; + + led@1 { + reg = <1>; + color = ; + }; + + led@2 { + reg = <2>; + color = ; + }; + }; + }; + }; -- cgit 1.2.3-korg