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Message-Id: <20190415180510.6044-4-krzk@kernel.org> Date: Mon, 15 Apr 2019 20:05:10 +0200 From: Krzysztof Kozlowski <krzk@...nel.org> To: Rob Herring <robh+dt@...nel.org>, Mark Rutland <mark.rutland@....com>, Kukjin Kim <kgene@...nel.org>, Krzysztof Kozlowski <krzk@...nel.org>, Marek Szyprowski <m.szyprowski@...sung.com>, Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>, Sylwester Nawrocki <s.nawrocki@...sung.com>, Chanwoo Choi <cw00.choi@...sung.com>, Andrzej Hajda <a.hajda@...sung.com>, devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [RFT 4/4] ARM: dts: exynos: Properly override node to use MDMA0 on Universal C210 The Universal C210 (Exynos4210) uses the secure interface of MDMA0, instead of regular one - non-secure MDMA1. DTS was overriding MDMA1 node address which caused DTC W=1 warning: arch/arm/boot/dts/exynos4.dtsi:707.25-716.6: Warning (simple_bus_reg): /soc/amba/mdma@...50000: simple-bus unit address format error, expected "12840000" Signed-off-by: Krzysztof Kozlowski <krzk@...nel.org> --- arch/arm/boot/dts/exynos4.dtsi | 2 +- arch/arm/boot/dts/exynos4210-universal_c210.dts | 17 ++++++++++++++++- 2 files changed, 17 insertions(+), 2 deletions(-) diff --git a/arch/arm/boot/dts/exynos4.dtsi b/arch/arm/boot/dts/exynos4.dtsi index 1c21627e3c3c..36ccf227434d 100644 --- a/arch/arm/boot/dts/exynos4.dtsi +++ b/arch/arm/boot/dts/exynos4.dtsi @@ -675,7 +675,7 @@ status = "disabled"; }; - amba { + amba: amba { #address-cells = <1>; #size-cells = <1>; compatible = "simple-bus"; diff --git a/arch/arm/boot/dts/exynos4210-universal_c210.dts b/arch/arm/boot/dts/exynos4210-universal_c210.dts index 07d64a8f82e3..bf092e97e14f 100644 --- a/arch/arm/boot/dts/exynos4210-universal_c210.dts +++ b/arch/arm/boot/dts/exynos4210-universal_c210.dts @@ -177,6 +177,20 @@ }; }; +&amba { + mdma0: mdma@...40000 { + compatible = "arm,pl330", "arm,primecell"; + reg = <0x12840000 0x1000>; + interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clock CLK_MDMA>; + clock-names = "apb_pclk"; + #dma-cells = <1>; + #dma-channels = <8>; + #dma-requests = <1>; + power-domains = <&pd_lcd0>; + }; +}; + &camera { status = "okay"; @@ -491,7 +505,8 @@ }; &mdma1 { - reg = <0x12840000 0x1000>; + /* Use the secure mdma0 */ + status = "disabled"; }; &mixer { -- 2.17.1
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