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([178.197.223.104]) by smtp.gmail.com with ESMTPSA id f18-20020a7bc8d2000000b003fc01189b0dsm5242365wml.42.2023.07.22.04.56.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 22 Jul 2023 04:56:26 -0700 (PDT) From: Krzysztof Kozlowski To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Alim Akhtar , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Krzysztof Kozlowski Subject: [PATCH 1/2] ARM: dts: samsung: exynos4x12: replace duplicate pmu node with phandle Date: Sat, 22 Jul 2023 13:56:17 +0200 Message-Id: <20230722115618.140002-1-krzysztof.kozlowski@linaro.org> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,RCVD_IN_DNSWL_BLOCKED, SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1772123906035143007 X-GMAIL-MSGID: 1772123906035143007 Devicetree for the FIMC IS camera included duplicated PMU node as its child. This is not a correct representation of the hardware. Mapping the PMU (Power Management Unit) IO memory should be via syscon-like phandle (samsung,pmu-syscon, already used for other drivers), not by duplicating "pmu" Devicetree node inside the FIMC IS. The change is not compatible with older Linux kernel, which does not parse samsung,pmu-syscon property. Signed-off-by: Krzysztof Kozlowski --- Depends on: https://lore.kernel.org/linux-devicetree/20230722115441.139628-1-krzysztof.kozlowski@linaro.org/T/#t --- arch/arm/boot/dts/samsung/exynos4x12.dtsi | 5 +---- 1 file changed, 1 insertion(+), 4 deletions(-) diff --git a/arch/arm/boot/dts/samsung/exynos4x12.dtsi b/arch/arm/boot/dts/samsung/exynos4x12.dtsi index 84c1db221c98..4524c1e6bb2f 100644 --- a/arch/arm/boot/dts/samsung/exynos4x12.dtsi +++ b/arch/arm/boot/dts/samsung/exynos4x12.dtsi @@ -516,15 +516,12 @@ fimc_is: fimc-is@12000000 { iommus = <&sysmmu_fimc_isp>, <&sysmmu_fimc_drc>, <&sysmmu_fimc_fd>, <&sysmmu_fimc_mcuctl>; iommu-names = "isp", "drc", "fd", "mcuctl"; + samsung,pmu-syscon = <&pmu_system_controller>; #address-cells = <1>; #size-cells = <1>; ranges; status = "disabled"; - pmu@10020000 { - reg = <0x10020000 0x3000>; - }; - i2c1_isp: i2c-isp@12140000 { compatible = "samsung,exynos4212-i2c-isp"; reg = <0x12140000 0x100>;