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Convert the Samsung Exynos SoC G-Scaler bindings to DT schema.
Changes done during conversion:
1. A typical (already used) properties like clocks, iommus and
power-domains.
2. Require clocks, because they are essential for the block to operate.
3. Describe the differences in clocks between the Exynos5250/5420 and
the Exynos5433 G-Scalers. This includes the fifth Exynos5433 clock
"gsd" (GSCL Smart Deck) which was added to the DTS, but not to the
bindings and Linux driver. Similarly to Exynos5433 DECON change [1],
the clock should be used.
[1] https://lore.kernel.org/all/6270db2d-667d-8d6f-9289-be92da486c25@samsung.com/
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220830180927.16686-1-krzysztof.kozlowski@linaro.org
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Fix up inconsistent usage of upper and lowercase letters in "Exynos"
name.
"EXYNOS" is not an abbreviation but a regular trademarked name.
Therefore it should be written with lowercase letters starting with
capital letter.
The lowercase "Exynos" name is promoted by its manufacturer Samsung
Electronics Co., Ltd., in advertisement materials and on website.
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Rob Herring <robh@kernel.org>
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Improve the binding example by removing all the leading 0x to fix the
following dtc warnings:
Warning (unit_address_format): Node /XXX unit name should not have leading "0x"
Converted using the following command:
find Documentation/devicetree/bindings -name "*.txt" -exec sed -i -e 's/([^ ])\@0x([0-9a-f])/$1\@$2/g' {} +
This is a follow up to commit 48c926cd3414
Signed-off-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Rob Herring <robh@kernel.org>
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Exynos 5250 and 5420 have different hardware rotation limits.
Since we have to distinguish between these two, we add different
compatible: samsung,exynos5250-gsc and samsung,exynos5420-gsc.
Signed-off-by: Hoegeun Kwon <hoegeun.kwon@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
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This patch adds support for Exynos5433 specific version of the GScaler
module. The main difference between Exynos 5433 and earlier is addition
of new clocks that have to be controlled.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Javier Martinez Canillas <javier@osg.samsung.com>
Tested-by: Javier Martinez Canillas <javier@osg.samsung.com>
Acked-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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This patch adds device tree support for exynos_drm_gsc. This patch
also fixed build issue on non-Exynos platforms, thus dependency on
!ARCH_MULTIPLATFORM can be now removed. The driver cannot be used
simultaneously with V4L2 Mem2Mem GScaller driver thought.
Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Acked-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
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This patch adds,
- 4 G-Scaler devices to the DT device list
- G-Scaler specific entries to the machine file
- binding documentation for G-Scaler entries
Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Signed-off-by: Leela Krishna Amudala <l.krishna@samsung.com>
Signed-off-by: Shaik Ameer Basha <shaik.ameer@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
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