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Binbin Zhou a1e65a25c5 dt-bindings: interrupt-controller: loongson,pch-pic: Document address-cells 
The Loongson PCH interrupt controller can be referenced in interrupt-map
properties (e.g. in arch/loongarch/boot/dts/loongson-2k2000.dtsi), thus
the nodes should have address-cells property.

Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Link: https://patch.msgid.link/e531084ee65a695ec08d0f559caec067877fb9a5.1767505859.git.zhoubinbin@loongson.cn
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2026-08-24 14:17:19 +08:00
Binbin Zhou 44d5884d05 dt-bindings: interrupt-controller: loongson,eiointc: Document address-cells 
The Loongson Extend I/O interrupt controller can be referenced in
interrupt-map properties (e.g. in
arch/loongarch/boot/dts/loongson-2k0500.dtsi), thus the nodes should
have address-cells property.

Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Link: https://patch.msgid.link/3e903541d37432c88c27272094420b03418a607d.1767505859.git.zhoubinbin@loongson.cn
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2026-08-24 14:17:19 +08:00
Binbin Zhou b846085eed dt-bindings: interrupt-controller: loongson,liointc: Document address-cells 
The Loongson local I/O interrupt controller can be referenced in
interrupt-map properties (e.g. in
arch/loongarch/boot/dts/loongson-2k1000.dtsi), thus the nodes should
have address-cells property.

Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Link: https://patch.msgid.link/fb3811b6bc387aa23adfc0aaf9a0a31c2d468e79.1767505859.git.zhoubinbin@loongson.cn
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2026-08-24 14:17:19 +08:00
Binbin Zhou 5f88366873 dt-bindings: rtc: loongson: Document Loongson-2K0300 compatible 
Add "loongson,ls2k0300-rtc" dedicated compatible to represent the RTC
interface of the Loongson-2K0300 chip.

Its hardware design is similar to that of the Loongson-1B, but it does
not support the alarm feature.

Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/0c6a4fd221b5bf05f06cae9bb543a5bf7ea59f57.1768616276.git.zhoubinbin@loongson.cn
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2026-08-24 14:17:19 +08:00
Binbin Zhou d6ddf0dfe0 dt-bindings: rtc: loongson: Correct Loongson-1C interrupts property 
The `interrupts` property indicates an RTC alarm interrupt, which is
required for RTCs that support the alarm feature, which is not supported
by the Loongson-1C RTC. We exclude it for a more accurate description.

Changing the `allowed` property is ABI-breaking behavior, but
throughout the existing Loongson DTS{i}, the description of the RTC
nodes conforms to the modified bingding rules.

Thus, the existing Loongson DTS{i} will not be affected.

Fixes: 487ef32caebe ("dt-bindings: rtc: Split loongson,ls2x-rtc into SoC-based compatibles")
Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://patch.msgid.link/b6295c907410f6708115cba4df0959ee6629f8a5.1768616276.git.zhoubinbin@loongson.cn
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2026-08-24 14:17:18 +08:00
maoxiaochuan d9c34db496 dt-bindings: clock: loongson2: Add Loongson-2K0300 
compatible

Document the clock controller shipped in Loongson-2K0300 SoC, which
generates various clock signals for SoC peripherals. Differing from
previous generations of SoCs, LS2K0300 requires a 120MHz external clock
input.

Signed-off-by: Yao Zi <ziyao@disroot.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Yanteng Si <siyanteng@cqsoftware.com.cn>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
 2026-02-04 19:13:11 +08:00
Binbin Zhou 1188eb89cb dt-bindings: serial: 8250: Add Loongson uart compatible 
The Loongson family have a mostly NS16550A-compatible UART and
High-Speed UART hardware with the exception of custom frequency divider
latch settings register.

Co-developed-by: Haowei Zheng <zhenghaowei@loongson.cn>
Signed-off-by: Haowei Zheng <zhenghaowei@loongson.cn>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Link: https://patch.msgid.link/2d858e9303d95a3e4909aa9c1379d4abbdc52cc2.1760166651.git.zhoubinbin@loongson.cn
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2026-02-04 16:41:28 +08:00
Binbin Zhou a4673108f0 dt-bindings: watchdog: loongson,ls1x-wdt: Add ls2k0300-wdt compatible 
Add "loongson,ls2k0300-wdt" compatible to the dt-schema document, which
is similar to Loongson-1 watchdog, but with differences in some register
offsets and bit definitions.

Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
pw-bot: not-applicable
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2026-02-04 16:41:27 +08:00
maoxiaochuan 2816a1afc5 dt-bindings: mtd: loongson,ls1b-nand-controller: Document the Loongson-2K0500 NAND controller 
Add new compatible for the Loongson-2K NAND controller used for
Loongson-2K0500 SoC.

Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2026-02-04 16:41:12 +08:00
Yao Zi f149265740 dt-bindings: gpio: loongson: Document GPIO controller of LS2K0300 SoC 
Loongson-2K0300 ships a GPIO controller whose input/output control logic
is similar to previous generation of SoCs. Additionally, it acts as an
interrupt-controller supporting both level and edge interrupts and has a
distinct reset signal.

Describe its compatible in devicetree. We enlarge the maximum value of
ngpios to 128, since the controller technically supports at most 128
pins, although only 106 are routed out of the package. Properties for
interrupt-controllers and resets are introduced and limited as LS2K0300
only.

Signed-off-by: Yao Zi <ziyao@disroot.org>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20250904013438.2405-2-ziyao@disroot.org
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2026-02-04 16:41:10 +08:00
Keguang Zhang 179b80d983 dt-bindings: mips: loongson: Add LS1B-DEMO and CQ-T300B 
Document two Loongson-1 boards:
 - loongson,ls1b-demo: a board based on Loongson-1B
 - loongson,cq-t300b: a board based on Loongson-1C

Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Keguang Zhang <keguang.zhang@gmail.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2026-02-04 16:41:08 +08:00
Aaron Kling 70cf437038 dt-bindings: thermal: tegra: Document Tegra210B01 
Add the compatible string for Tegra210B01 SOC_THERM

Acked-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Aaron Kling <webgeek1234@gmail.com>
Link: https://lore.kernel.org/r/20250720-t210b01-v2-5-9cb209f1edfc@gmail.com
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2026-02-04 16:41:07 +08:00
Binbin Zhou f7c078c1a9 dt-bindings: mmc: loongson,ls2k0500-mmc: Add compatible for Loongson-2K2000 
Add the devicetree compatible for Loongson-2K2000 EMMC/SD/SDIO controller.

Acked-by: Conor Dooley <conor.dooley@microchip.com>
Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Link: https://lore.kernel.org/r/2274fcccd27d7c03bc026fd2a43727bdf5af1ef5.1750765495.git.zhoubinbin@loongson.cn
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2026-02-04 16:41:04 +08:00
Binbin Zhou 6fd17968ae dt-bindings: mmc: Add Loongson-2K SD/SDIO/eMMC controller binding 
Add the Loongson-2K SoC's SD/SDIO/eMMC controller binding with DT schema
format using json-schema.

Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Huacai Chen <chenhuacai@loongson.cn>
Link: https://lore.kernel.org/r/949c55be120a806ea3d74b47fa2cc96ced2905fc.1750765495.git.zhoubinbin@loongson.cn
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2025-08-19 11:29:16 +08:00
Keguang Zhang fa3fc71fe3 ASoC: dt-bindings: Add Realtek ALC203 Codec 
Add devicetree binding document for Realtek ALC203 codec.

Signed-off-by: Keguang Zhang <keguang.zhang@gmail.com>
Link: https://patch.msgid.link/20250409-loongson1-ac97-v2-2-65d5db96a046@gmail.com
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2025-05-30 15:52:36 +08:00
Keguang Zhang 87ae342df6 ASoC: dt-bindings: Add Loongson-1 AC97 Controller 
Add devicetree binding document for Loongson-1 AC97 controller.

Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Keguang Zhang <keguang.zhang@gmail.com>
Link: https://patch.msgid.link/20250409-loongson1-ac97-v2-1-65d5db96a046@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2025-05-30 15:52:36 +08:00
Binbin Zhou 347afc58d3 dt-bindings: pwm: Add Loongson PWM controller 
Add Loongson PWM controller binding with DT schema format using
json-schema.

Signed-off-by: Binbin Zhou <zhoubinbin@loongson.cn>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Huacai Chen <chenhuacai@loongson.cn>
Signed-off-by: maoxiaochuan <maoxiaochuan@loongson.cn>
 2025-02-13 14:30:09 +08:00
maoxiaochuan 8b074cffbf init src (linux-6.12.0) 2025-02-13 14:11:16 +08:00