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Sat, 07 Nov 2020 03:58:25 -0800 (PST) Received: from aford-IdeaCentre-A730.lan ([2601:448:8400:9e8:5d9e:32b:1062:f8cd]) by smtp.gmail.com with ESMTPSA id n1sm2920671ile.86.2020.11.07.03.58.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 07 Nov 2020 03:58:25 -0800 (PST) From: Adam Ford To: linux-arm-kernel@lists.infradead.org Subject: [PATCH V4 2/5] arm64: dts: imx8mn: Enable Asynchronous Sample Rate Converter Date: Sat, 7 Nov 2020 05:58:05 -0600 Message-Id: <20201107115809.1866131-2-aford173@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20201107115809.1866131-1-aford173@gmail.com> References: <20201107115809.1866131-1-aford173@gmail.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201107_065828_340329_AAA6C586 X-CRM114-Status: GOOD ( 13.41 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Fabio Estevam , Adam Ford , Sascha Hauer , aford@beaconembedded.com, linux-kernel@vger.kernel.org, Rob Herring , NXP Linux Team , Pengutronix Kernel Team , Shawn Guo Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The driver exists for the Enhanced Asynchronous Sample Rate Converter (EASRC) Controller, but there isn't a device tree entry for it. On the vendor kernel, they put this on a spba-bus for SDMA support. Add the node for the spba-bus with the easrc node inside. Signed-off-by: Adam Ford --- V4: No change V3: Change spba-bus@30000000 to spba: bus@30000000 V2: Make the DT node more in-line with the dt binding and remove vendor customizations that are not applicable. arch/arm64/boot/dts/freescale/imx8mn.dtsi | 28 +++++++++++++++++++++++ 1 file changed, 28 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8mn.dtsi b/arch/arm64/boot/dts/freescale/imx8mn.dtsi index a06d2a6268e6..61560c083300 100644 --- a/arch/arm64/boot/dts/freescale/imx8mn.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8mn.dtsi @@ -253,6 +253,34 @@ aips1: bus@30000000 { #size-cells = <1>; ranges; + spba: bus@30000000 { + compatible = "fsl,spba-bus", "simple-bus"; + #address-cells = <1>; + #size-cells = <1>; + reg = <0x30000000 0x100000>; + ranges; + + easrc: easrc@300c0000 { + compatible = "fsl,imx8mn-easrc"; + reg = <0x300c0000 0x10000>; + interrupts = ; + clocks = <&clk IMX8MN_CLK_ASRC_ROOT>; + clock-names = "mem"; + dmas = <&sdma2 16 23 0> , <&sdma2 17 23 0>, + <&sdma2 18 23 0> , <&sdma2 19 23 0>, + <&sdma2 20 23 0> , <&sdma2 21 23 0>, + <&sdma2 22 23 0> , <&sdma2 23 23 0>; + dma-names = "ctx0_rx", "ctx0_tx", + "ctx1_rx", "ctx1_tx", + "ctx2_rx", "ctx2_tx", + "ctx3_rx", "ctx3_tx"; + firmware-name = "imx/easrc/easrc-imx8mn.bin"; + fsl,asrc-rate = <8000>; + fsl,asrc-format = <2>; + status = "disabled"; + }; + }; + gpio1: gpio@30200000 { compatible = "fsl,imx8mn-gpio", "fsl,imx35-gpio"; reg = <0x30200000 0x10000>;