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Fri, 19 Jan 2024 17:29:53 -0800 (PST) Received: from localhost ([136.62.192.75]) by smtp.gmail.com with ESMTPSA id n15-20020a0568301e8f00b006dc6fbde692sm763928otr.23.2024.01.19.17.29.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 19 Jan 2024 17:29:53 -0800 (PST) From: Sam Protsenko To: Krzysztof Kozlowski , Andi Shyti , Mark Brown , Rob Herring , Conor Dooley Cc: Alim Akhtar , Sylwester Nawrocki , Tomasz Figa , Chanwoo Choi , linux-spi@vger.kernel.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org Subject: [PATCH 6/7] arm64: dts: exynos: Add PDMA node for Exynos850 Date: Fri, 19 Jan 2024 19:29:47 -0600 Message-Id: <20240120012948.8836-7-semen.protsenko@linaro.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240120012948.8836-1-semen.protsenko@linaro.org> References: <20240120012948.8836-1-semen.protsenko@linaro.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Enable PDMA node. It's needed for multiple peripheral modules, like SPI. Use "arm,pl330-broken-no-flushp" quirk, as otherwise SPI transfers in DMA mode often fail with error like this: I/O Error: rx-1 tx-1 rx-f tx-f len-786 dma-1 res-(-5) Signed-off-by: Sam Protsenko --- arch/arm64/boot/dts/exynos/exynos850.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm64/boot/dts/exynos/exynos850.dtsi b/arch/arm64/boot/dts/exynos/exynos850.dtsi index da3f4a791e68..cd0a452cd6b4 100644 --- a/arch/arm64/boot/dts/exynos/exynos850.dtsi +++ b/arch/arm64/boot/dts/exynos/exynos850.dtsi @@ -197,6 +197,16 @@ gic: interrupt-controller@12a01000 { IRQ_TYPE_LEVEL_HIGH)>; }; + pdma0: dma-controller@120c0000 { + compatible = "arm,pl330", "arm,primecell"; + reg = <0x120c0000 0x1000>; + interrupts = ; + clocks = <&cmu_core CLK_GOUT_PDMA_CORE_ACLK>; + clock-names = "apb_pclk"; + arm,pl330-broken-no-flushp; + #dma-cells = <1>; + }; + pmu_system_controller: system-controller@11860000 { compatible = "samsung,exynos850-pmu", "syscon"; reg = <0x11860000 0x10000>; -- 2.39.2