linux-stable.git/Documentation/devicetree, branch linux-6.16.y Linux kernel stable tree dt-bindings: serial: 8250: move a constraint 2025-09-25T09:16:53+00:00 Alex Elder elder@riscstar.com 2025-09-17T11:57:46+00:00 941452199941d912b59a19f975d28d9c113bc7eb [ Upstream commit 387d00028cccee7575f6416953bef62f849d83e3 ] A block that required a "spacemit,k1-uart" compatible node to specify two clocks was placed in the wrong spot in the binding. Conor Dooley pointed out it belongs earlier in the file, as part of the initial "allOf". Fixes: 2c0594f9f0629 ("dt-bindings: serial: 8250: support an optional second clock") Cc: stable <stable@kernel.org> Reported-by: Conor Dooley <conor@kernel.org> Closes: https://lore.kernel.org/lkml/20250729-reshuffle-contented-e6def76b540b@spud/ Signed-off-by: Alex Elder <elder@riscstar.com> Acked-by: Conor Dooley <conor.dooley@microchip.com> Link: https://lore.kernel.org/r/20250813032151.2330616-1-elder@riscstar.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
[ Upstream commit 387d00028cccee7575f6416953bef62f849d83e3 ]

A block that required a "spacemit,k1-uart" compatible node to
specify two clocks was placed in the wrong spot in the binding.
Conor Dooley pointed out it belongs earlier in the file, as part
of the initial "allOf".

Fixes: 2c0594f9f0629 ("dt-bindings: serial: 8250: support an optional second clock")
Cc: stable <stable@kernel.org>
Reported-by: Conor Dooley <conor@kernel.org>
Closes: https://lore.kernel.org/lkml/20250729-reshuffle-contented-e6def76b540b@spud/
Signed-off-by: Alex Elder <elder@riscstar.com>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20250813032151.2330616-1-elder@riscstar.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dt-bindings: serial: 8250: spacemit: set clocks property as required 2025-09-25T09:16:53+00:00 Yixun Lan dlan@gentoo.org 2025-09-17T11:57:45+00:00 95c9489abfc4ad937d4fcc8caaf9be83061b7758 [ Upstream commit 48f9034e024a4c6e279b0d040e1f5589bb544806 ] In SpacemiT's K1 SoC, the clocks for UART are mandatory needed, so for DT, both clocks and clock-names property should be set as required. Fixes: 2c0594f9f062 ("dt-bindings: serial: 8250: support an optional second clock") Signed-off-by: Yixun Lan <dlan@gentoo.org> Acked-by: "Rob Herring (Arm)" <robh@kernel.org> Link: https://lore.kernel.org/r/20250718-01-k1-uart-binding-v1-1-a92e1e14c836@gentoo.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Stable-dep-of: 387d00028ccc ("dt-bindings: serial: 8250: move a constraint") Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
[ Upstream commit 48f9034e024a4c6e279b0d040e1f5589bb544806 ]

In SpacemiT's K1 SoC, the clocks for UART are mandatory needed, so
for DT, both clocks and clock-names property should be set as required.

Fixes: 2c0594f9f062 ("dt-bindings: serial: 8250: support an optional second clock")
Signed-off-by: Yixun Lan <dlan@gentoo.org>
Acked-by: "Rob Herring (Arm)" <robh@kernel.org>
Link: https://lore.kernel.org/r/20250718-01-k1-uart-binding-v1-1-a92e1e14c836@gentoo.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: 387d00028ccc ("dt-bindings: serial: 8250: move a constraint")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dt-bindings: serial: 8250: allow clock 'uartclk' and 'reg' for nxp,lpc1850-uart 2025-09-25T09:16:53+00:00 Frank Li Frank.Li@nxp.com 2025-09-17T11:57:44+00:00 ceee5585720abbb007d105dc6b63e3ff27eb06e6 [ Upstream commit d2db0d78154442fb89165edf8836bf2644c6c58d ] Allow clock 'uartclk' and 'reg' for nxp,lpc1850-uart to align existed driver and dts. It is really old platform. Keep the same restriction for others. Allow dmas and dma-names property, which allow maxItems 4 because very old platform (arch/arm/boot/dts/nxp/lpc/lpc18xx.dtsi) use duplicate "tx", "rx", "tx", "rx" as dma-names. Fix below CHECK_DTB warnings: arch/arm/boot/dts/nxp/lpc/lpc4337-ciaa.dtb: serial@40081000 (nxp,lpc1850-uart): clock-names: ['uartclk', 'reg'] is too long Signed-off-by: Frank Li <Frank.Li@nxp.com> Acked-by: "Rob Herring (Arm)" <robh@kernel.org> Link: https://lore.kernel.org/r/20250602142745.942568-1-Frank.Li@nxp.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Stable-dep-of: 387d00028ccc ("dt-bindings: serial: 8250: move a constraint") Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
[ Upstream commit d2db0d78154442fb89165edf8836bf2644c6c58d ]

Allow clock 'uartclk' and 'reg' for nxp,lpc1850-uart to align existed
driver and dts. It is really old platform. Keep the same restriction for
others.

Allow dmas and dma-names property, which allow maxItems 4 because very old
platform (arch/arm/boot/dts/nxp/lpc/lpc18xx.dtsi) use duplicate "tx", "rx",
"tx", "rx" as dma-names.

Fix below CHECK_DTB warnings:
  arch/arm/boot/dts/nxp/lpc/lpc4337-ciaa.dtb: serial@40081000 (nxp,lpc1850-uart): clock-names: ['uartclk', 'reg'] is too long

Signed-off-by: Frank Li <Frank.Li@nxp.com>
Acked-by: "Rob Herring (Arm)" <robh@kernel.org>
Link: https://lore.kernel.org/r/20250602142745.942568-1-Frank.Li@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Stable-dep-of: 387d00028ccc ("dt-bindings: serial: 8250: move a constraint")
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dt-bindings: serial: brcm,bcm7271-uart: Constrain clocks 2025-09-19T14:37:35+00:00 Krzysztof Kozlowski krzysztof.kozlowski@linaro.org 2025-08-12T12:16:31+00:00 cd970dceda44badfdbad54effd7aacef66e7ada0 commit ee047e1d85d73496541c54bd4f432c9464e13e65 upstream. Lists should have fixed constraints, because binding must be specific in respect to hardware, thus add missing constraints to number of clocks. Cc: stable <stable@kernel.org> Fixes: 88a499cd70d4 ("dt-bindings: Add support for the Broadcom UART driver") Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20250812121630.67072-2-krzysztof.kozlowski@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit ee047e1d85d73496541c54bd4f432c9464e13e65 upstream.

Lists should have fixed constraints, because binding must be specific in
respect to hardware, thus add missing constraints to number of clocks.

Cc: stable <stable@kernel.org>
Fixes: 88a499cd70d4 ("dt-bindings: Add support for the Broadcom UART driver")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250812121630.67072-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dt-bindings: display/msm: qcom,mdp5: drop lut clock 2025-09-04T14:55:37+00:00 Dmitry Baryshkov dmitry.baryshkov@oss.qualcomm.com 2025-08-09T08:36:54+00:00 4437134c70418ed060d935e82ee68b330c12f69b [ Upstream commit 7ab3b7579a6d2660a3425b9ea93b9a140b07f49c ] None of MDP5 platforms have a LUT clock on the display-controller, it was added by the mistake. Drop it, fixing DT warnings on MSM8976 / MSM8956 platforms. Technically it's an ABI break, but no other platforms are affected. Fixes: 385c8ac763b3 ("dt-bindings: display/msm: convert MDP5 schema to YAML format") Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> Acked-by: Rob Herring (Arm) <robh@kernel.org> Patchwork: https://patchwork.freedesktop.org/patch/667822/ Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com> Signed-off-by: Sasha Levin <sashal@kernel.org> 
[ Upstream commit 7ab3b7579a6d2660a3425b9ea93b9a140b07f49c ]

None of MDP5 platforms have a LUT clock on the display-controller, it
was added by the mistake. Drop it, fixing DT warnings on MSM8976 /
MSM8956 platforms. Technically it's an ABI break, but no other platforms
are affected.

Fixes: 385c8ac763b3 ("dt-bindings: display/msm: convert MDP5 schema to YAML format")
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Acked-by: Rob Herring (Arm) <robh@kernel.org>
Patchwork: https://patchwork.freedesktop.org/patch/667822/
Signed-off-by: Rob Clark <robin.clark@oss.qualcomm.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
scsi: dt-bindings: mediatek,ufs: Add ufs-disable-mcq flag for UFS host 2025-08-28T14:34:17+00:00 Macpaul Lin macpaul.lin@mediatek.com 2025-07-22T08:57:18+00:00 88c0aacaf5f043247b3f3fd1cdab3849a9a9b23d commit 794ff7a0a6e76af93c5ec09a49b86fe73373ca59 upstream. Add the 'mediatek,ufs-disable-mcq' property to the UFS device-tree bindings. This flag corresponds to the UFS_MTK_CAP_DISABLE_MCQ host capability recently introduced in the UFS host driver, allowing it to disable the Multiple Circular Queue (MCQ) feature when present. The binding schema has also been updated to resolve DTBS check errors. Cc: stable@vger.kernel.org Fixes: 46bd3e31d74b ("scsi: ufs: mediatek: Add UFS_MTK_CAP_DISABLE_MCQ") Signed-off-by: Macpaul Lin <macpaul.lin@mediatek.com> Link: https://lore.kernel.org/r/20250722085721.2062657-2-macpaul.lin@mediatek.com Reviewed-by: Rob Herring (Arm) <robh@kernel.org> Reviewed-by: Peter Wang <peter.wang@mediatek.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 794ff7a0a6e76af93c5ec09a49b86fe73373ca59 upstream.

Add the 'mediatek,ufs-disable-mcq' property to the UFS device-tree
bindings. This flag corresponds to the UFS_MTK_CAP_DISABLE_MCQ host
capability recently introduced in the UFS host driver, allowing it to
disable the Multiple Circular Queue (MCQ) feature when present.  The
binding schema has also been updated to resolve DTBS check errors.

Cc: stable@vger.kernel.org
Fixes: 46bd3e31d74b ("scsi: ufs: mediatek: Add UFS_MTK_CAP_DISABLE_MCQ")
Signed-off-by: Macpaul Lin <macpaul.lin@mediatek.com>
Link: https://lore.kernel.org/r/20250722085721.2062657-2-macpaul.lin@mediatek.com
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dt-bindings: display: vop2: Add optional PLL clock property for rk3576 2025-08-28T14:34:17+00:00 Cristian Ciocaltea cristian.ciocaltea@collabora.com 2025-06-11T21:47:47+00:00 ffd43c23c09d88f727f0873a91785a0cbe4bab3a commit 3832dc42aed9b047ccecebf5917d008bd2dac940 upstream. As with the RK3588 SoC, RK3576 also allows the use of HDMI PHY PLL as an alternative and more accurate pixel clock source for VOP2. Document the optional PLL clock property. Moreover, given that this is part of a series intended to address some recent display problems, provide the appropriate tags to facilitate backporting. Fixes: c3b7c5a4d7c1 ("dt-bindings: display: vop2: Add rk3576 support") Cc: stable@vger.kernel.org Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com> Reviewed-by: "Rob Herring (Arm)" <robh@kernel.org> Tested-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com> Signed-off-by: Heiko Stuebner <heiko@sntech.de> Link: https://lore.kernel.org/r/20250612-rk3576-hdmitx-fix-v1-1-4b11007d8675@collabora.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 3832dc42aed9b047ccecebf5917d008bd2dac940 upstream.

As with the RK3588 SoC, RK3576 also allows the use of HDMI PHY PLL as an
alternative and more accurate pixel clock source for VOP2.

Document the optional PLL clock property.

Moreover, given that this is part of a series intended to address some
recent display problems, provide the appropriate tags to facilitate
backporting.

Fixes: c3b7c5a4d7c1 ("dt-bindings: display: vop2: Add rk3576 support")
Cc: stable@vger.kernel.org
Signed-off-by: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>
Reviewed-by: "Rob Herring (Arm)" <robh@kernel.org>
Tested-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20250612-rk3576-hdmitx-fix-v1-1-4b11007d8675@collabora.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dt-bindings: display: sprd,sharkl3-dsi-host: Fix missing clocks constraints 2025-08-28T14:34:17+00:00 Krzysztof Kozlowski krzysztof.kozlowski@linaro.org 2025-07-20T12:30:05+00:00 c6b1871ada1bf988b67c68e2e698476501fe31bf commit 2558df8c13ae3bd6c303b28f240ceb0189519c91 upstream. 'minItems' alone does not impose upper bound, unlike 'maxItems' which implies lower bound. Add missing clock constraint so the list will have exact number of items (clocks). Fixes: 2295bbd35edb ("dt-bindings: display: add Unisoc's mipi dsi controller bindings") Cc: stable@vger.kernel.org Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20250720123003.37662-4-krzysztof.kozlowski@linaro.org Signed-off-by: Rob Herring (Arm) <robh@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 2558df8c13ae3bd6c303b28f240ceb0189519c91 upstream.

'minItems' alone does not impose upper bound, unlike 'maxItems' which
implies lower bound.  Add missing clock constraint so the list will have
exact number of items (clocks).

Fixes: 2295bbd35edb ("dt-bindings: display: add Unisoc's mipi dsi controller bindings")
Cc: stable@vger.kernel.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250720123003.37662-4-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
dt-bindings: display: sprd,sharkl3-dpu: Fix missing clocks constraints 2025-08-28T14:34:16+00:00 Krzysztof Kozlowski krzysztof.kozlowski@linaro.org 2025-07-20T12:30:04+00:00 fa2bb2cadee19adfb8595cb6124d1e94301e48d2 commit 934da599e694d476f493d3927a30414e98a81561 upstream. 'minItems' alone does not impose upper bound, unlike 'maxItems' which implies lower bound. Add missing clock constraint so the list will have exact number of items (clocks). Fixes: 8cae15c60cf0 ("dt-bindings: display: add Unisoc's dpu bindings") Cc: stable@vger.kernel.org Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Link: https://lore.kernel.org/r/20250720123003.37662-3-krzysztof.kozlowski@linaro.org Signed-off-by: Rob Herring (Arm) <robh@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 
commit 934da599e694d476f493d3927a30414e98a81561 upstream.

'minItems' alone does not impose upper bound, unlike 'maxItems' which
implies lower bound.  Add missing clock constraint so the list will have
exact number of items (clocks).

Fixes: 8cae15c60cf0 ("dt-bindings: display: add Unisoc's dpu bindings")
Cc: stable@vger.kernel.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20250720123003.37662-3-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Merge tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux 2025-07-26T20:26:33+00:00 Linus Torvalds torvalds@linux-foundation.org 2025-07-26T20:26:33+00:00 874885990b18073213ff1797774c401df29676af Pull clk fixes from Stephen Boyd: "A few Allwinner clk driver fixes: - Mark Allwinner A523 MBUS clock as critical to avoid system stalls - Fix names of CSI related clocks on Allwinner V3s. This includes changes to the driver, DT bindings and DT files. - Fix parents of TCON clock on Allwinner V3s" * tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux: clk: sunxi-ng: v3s: Fix TCON clock parents clk: sunxi-ng: v3s: Fix CSI1 MCLK clock name clk: sunxi-ng: v3s: Fix CSI SCLK clock name clk: sunxi-ng: a523: Mark MBUS clock as critical 
Pull clk fixes from Stephen Boyd:
 "A few Allwinner clk driver fixes:

   - Mark Allwinner A523 MBUS clock as critical to avoid
     system stalls

   - Fix names of CSI related clocks on Allwinner V3s. This
     includes changes to the driver, DT bindings and DT files.

   - Fix parents of TCON clock on Allwinner V3s"

* tag 'clk-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/clk/linux:
  clk: sunxi-ng: v3s: Fix TCON clock parents
  clk: sunxi-ng: v3s: Fix CSI1 MCLK clock name
  clk: sunxi-ng: v3s: Fix CSI SCLK clock name
  clk: sunxi-ng: a523: Mark MBUS clock as critical