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bh=eAdIcXOpcOR3wLEK4yruXkVpo6EckNrG1lSlt64OUZI=; b=M6WnT3VuQGlC00gGZgk0dAkPJlM7vTK+q6d83QM/vvAf6fp3sbaqVLR58wmyk0ukRy F66RhDcBiCVZctBNIVqQnOwHQWcWb4XzTmbuWKbyr1MFm3agRuCk/UCvIhVf3c5ylrCE 2Yz7mfal3q3cU+16p4xECH9HfPkVYvKbA2/RsHDsqkMGl0IhjOOobvkD3OM2vdk9We/F Ruycth4NEwG4wo7+H8Hs4ilGNPc3+/umIFmsTh3J0GATTBUmbxPX2E9yV2Tk4hgLsqz0 qu3fYPJVVJ4XhQTHE/rOACym4USA3wnc71ERTJ/+gwA3JW6PTZs7tTlMEI1JrS9irik6 GEjg== X-Gm-Message-State: APjAAAWx/bDh7AB5ymEFnAG1LTKcCaUvHnfJ6JLHpAHgIk7w8GdI2Z7v 88so83lDw8ZqNcUK8ipJ3HNOzxpwbxo= X-Google-Smtp-Source: APXvYqx6PDtUYK1QEqYly0pizPEw5ZfEhXv7OAmY9NV/TFotUocn/4vIvwVyax2nNAujPSdtMxpjkg== X-Received: by 2002:a63:e801:: with SMTP id s1mr30451014pgh.378.1553113546379; Wed, 20 Mar 2019 13:25:46 -0700 (PDT) Received: from localhost.localdomain ([2601:1c2:680:1319:4e72:b9ff:fe99:466a]) by smtp.gmail.com with ESMTPSA id u187sm866338pfu.113.2019.03.20.13.25.44 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 20 Mar 2019 13:25:45 -0700 (PDT) From: John Stultz To: lkml Cc: John Stultz , Tanglei Han , Zhuangluan Su , Ryan Grachek , Manivannan Sadhasivam , Wei Xu , Rob Herring , Mark Rutland , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org Subject: [PATCH 1/3] arm64: dts: hi3660: Add dma to uart nodes Date: Wed, 20 Mar 2019 13:25:38 -0700 Message-Id: <1553113540-28726-2-git-send-email-john.stultz@linaro.org> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1553113540-28726-1-git-send-email-john.stultz@linaro.org> References: <1553113540-28726-1-git-send-email-john.stultz@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Try to add DMA support to the uart nodes following the assignments made in the dts from the victoria vendor kernel here: https://consumer.huawei.com/en/opensource/detail/?siteCode=worldwide&keywords=p10&fileType=openSourceSoftware&pageSize=10&curPage=1 Cc: Tanglei Han Cc: Zhuangluan Su Cc: Ryan Grachek Cc: Manivannan Sadhasivam Cc: Wei Xu Cc: Rob Herring Cc: Mark Rutland Cc: linux-arm-kernel@lists.infradead.org Cc: devicetree@vger.kernel.org Acked-by: Manivannan Sadhasivam Signed-off-by: John Stultz --- v3: * Remove dma enablment on uart0 which would use reserved channel 0 --- arch/arm64/boot/dts/hisilicon/hi3660.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi index 2f19e0e..a3eeab1 100644 --- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi +++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi @@ -478,6 +478,8 @@ compatible = "arm,pl011", "arm,primecell"; reg = <0x0 0xfdf00000 0x0 0x1000>; interrupts = ; + dma-names = "rx", "tx"; + dmas = <&dma0 2 &dma0 3>; clocks = <&crg_ctrl HI3660_CLK_GATE_UART1>, <&crg_ctrl HI3660_CLK_GATE_UART1>; clock-names = "uartclk", "apb_pclk"; @@ -490,6 +492,8 @@ compatible = "arm,pl011", "arm,primecell"; reg = <0x0 0xfdf03000 0x0 0x1000>; interrupts = ; + dma-names = "rx", "tx"; + dmas = <&dma0 4 &dma0 5>; clocks = <&crg_ctrl HI3660_CLK_GATE_UART2>, <&crg_ctrl HI3660_PCLK>; clock-names = "uartclk", "apb_pclk"; @@ -514,6 +518,8 @@ compatible = "arm,pl011", "arm,primecell"; reg = <0x0 0xfdf01000 0x0 0x1000>; interrupts = ; + dma-names = "rx", "tx"; + dmas = <&dma0 6 &dma0 7>; clocks = <&crg_ctrl HI3660_CLK_GATE_UART4>, <&crg_ctrl HI3660_CLK_GATE_UART4>; clock-names = "uartclk", "apb_pclk"; @@ -526,6 +532,8 @@ compatible = "arm,pl011", "arm,primecell"; reg = <0x0 0xfdf05000 0x0 0x1000>; interrupts = ; + dma-names = "rx", "tx"; + dmas = <&dma0 8 &dma0 9>; clocks = <&crg_ctrl HI3660_CLK_GATE_UART5>, <&crg_ctrl HI3660_CLK_GATE_UART5>; clock-names = "uartclk", "apb_pclk"; -- 2.7.4