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([2a01:e0a:106d:1080:8290:9fd8:8af0:67dc]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4891f98728dsm11193695e9.23.2026.04.20.01.47.40 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 20 Apr 2026 01:47:40 -0700 (PDT) Message-ID: Date: Mon, 20 Apr 2026 10:47:40 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird From: Neil Armstrong Reply-To: Neil Armstrong Subject: Re: [PATCH v2 2/3] arm64: dts: amlogic: t7: Add UART controllers nodes To: Ronald Claveau , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Rob Herring , Krzysztof Kozlowski , Conor Dooley Cc: linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260416-add-bluetooth-t7-vim4-v2-0-9a57098fd055@aliel.fr> <20260416-add-bluetooth-t7-vim4-v2-2-9a57098fd055@aliel.fr> Content-Language: en-US, fr Autocrypt: addr=neil.armstrong@linaro.org; keydata= xsBNBE1ZBs8BCAD78xVLsXPwV/2qQx2FaO/7mhWL0Qodw8UcQJnkrWmgTFRobtTWxuRx8WWP GTjuhvbleoQ5Cxjr+v+1ARGCH46MxFP5DwauzPekwJUD5QKZlaw/bURTLmS2id5wWi3lqVH4 BVF2WzvGyyeV1o4RTCYDnZ9VLLylJ9bneEaIs/7cjCEbipGGFlfIML3sfqnIvMAxIMZrvcl9 qPV2k+KQ7q+aXavU5W+yLNn7QtXUB530Zlk/d2ETgzQ5FLYYnUDAaRl+8JUTjc0CNOTpCeik 80TZcE6f8M76Xa6yU8VcNko94Ck7iB4vj70q76P/J7kt98hklrr85/3NU3oti3nrIHmHABEB AAHNKk5laWwgQXJtc3Ryb25nIDxuZWlsLmFybXN0cm9uZ0BsaW5hcm8ub3JnPsLAkQQTAQoA OwIbIwULCQgHAwUVCgkICwUWAgMBAAIeAQIXgBYhBInsPQWERiF0UPIoSBaat7Gkz/iuBQJk Q5wSAhkBAAoJEBaat7Gkz/iuyhMIANiD94qDtUTJRfEW6GwXmtKWwl/mvqQtaTtZID2dos04 YqBbshiJbejgVJjy+HODcNUIKBB3PSLaln4ltdsV73SBcwUNdzebfKspAQunCM22Mn6FBIxQ GizsMLcP/0FX4en9NaKGfK6ZdKK6kN1GR9YffMJd2P08EO8mHowmSRe/ExAODhAs9W7XXExw UNCY4pVJyRPpEhv373vvff60bHxc1k/FF9WaPscMt7hlkbFLUs85kHtQAmr8pV5Hy9ezsSRa GzJmiVclkPc2BY592IGBXRDQ38urXeM4nfhhvqA50b/nAEXc6FzqgXqDkEIwR66/Gbp0t3+r yQzpKRyQif3OwE0ETVkGzwEIALyKDN/OGURaHBVzwjgYq+ZtifvekdrSNl8TIDH8g1xicBYp QTbPn6bbSZbdvfeQPNCcD4/EhXZuhQXMcoJsQQQnO4vwVULmPGgtGf8PVc7dxKOeta+qUh6+ SRh3vIcAUFHDT3f/Zdspz+e2E0hPV2hiSvICLk11qO6cyJE13zeNFoeY3ggrKY+IzbFomIZY 4yG6xI99NIPEVE9lNBXBKIlewIyVlkOaYvJWSV+p5gdJXOvScNN1epm5YHmf9aE2ZjnqZGoM Mtsyw18YoX9BqMFInxqYQQ3j/HpVgTSvmo5ea5qQDDUaCsaTf8UeDcwYOtgI8iL4oHcsGtUX oUk33HEAEQEAAcLAXwQYAQIACQUCTVkGzwIbDAAKCRAWmrexpM/4rrXiB/sGbkQ6itMrAIfn M7IbRuiSZS1unlySUVYu3SD6YBYnNi3G5EpbwfBNuT3H8//rVvtOFK4OD8cRYkxXRQmTvqa3 3eDIHu/zr1HMKErm+2SD6PO9umRef8V82o2oaCLvf4WeIssFjwB0b6a12opuRP7yo3E3gTCS KmbUuLv1CtxKQF+fUV1cVaTPMyT25Od+RC1K+iOR0F54oUJvJeq7fUzbn/KdlhA8XPGzwGRy 4zcsPWvwnXgfe5tk680fEKZVwOZKIEuJC3v+/yZpQzDvGYJvbyix0lHnrCzq43WefRHI5XTT QbM0WUIBIcGmq38+OgUsMYu4NzLu7uZFAcmp6h8g Organization: Linaro In-Reply-To: <20260416-add-bluetooth-t7-vim4-v2-2-9a57098fd055@aliel.fr> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 4/16/26 10:54, Ronald Claveau wrote: > Add device tree nodes for UART B through F (serial@7a000 to > serial@82000), completing the UART controller description for the T7 > SoC. Each node includes the peripheral clock. > > While at it, move the uart_a node to its correct position in the > bus address order (0x78000) to comply with the DT requirement that > nodes be sorted by their reg address. Complete the > uart_a node with its peripheral clock (CLKID_SYS_UART_A) and the > associated clock-names, matching the vendor default clock assignment, > consistent with the other UART nodes. > > Signed-off-by: Ronald Claveau > --- > arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi | 61 +++++++++++++++++++++++++---- > 1 file changed, 54 insertions(+), 7 deletions(-) > > diff --git a/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi b/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi > index 4a55d9641bc9b..81c26b1e3e7a4 100644 > --- a/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi > +++ b/arch/arm64/boot/dts/amlogic/amlogic-t7.dtsi > @@ -577,13 +577,6 @@ gpio_intc: interrupt-controller@4080 { > <10 11 12 13 14 15 16 17 18 19 20 21>; > }; > > - uart_a: serial@78000 { > - compatible = "amlogic,t7-uart", "amlogic,meson-s4-uart"; > - reg = <0x0 0x78000 0x0 0x18>; > - interrupts = ; > - status = "disabled"; > - }; > - > gp0: clock-controller@8080 { > compatible = "amlogic,t7-gp0-pll"; > reg = <0x0 0x8080 0x0 0x20>; > @@ -713,6 +706,60 @@ pwm_ao_cd: pwm@60000 { > status = "disabled"; > }; > > + uart_a: serial@78000 { > + compatible = "amlogic,t7-uart", "amlogic,meson-s4-uart"; > + reg = <0x0 0x78000 0x0 0x18>; > + interrupts = ; > + clocks = <&xtal>, <&clkc_periphs CLKID_SYS_UART_A>, <&xtal>; > + clock-names = "xtal", "pclk", "baud"; > + status = "disabled"; > + }; > + > + uart_b: serial@7a000 { > + compatible = "amlogic,t7-uart", "amlogic,meson-s4-uart"; > + reg = <0x0 0x7a000 0x0 0x18>; > + interrupts = ; > + clocks = <&xtal>, <&clkc_periphs CLKID_SYS_UART_B>, <&xtal>; > + clock-names = "xtal", "pclk", "baud"; > + status = "disabled"; > + }; > + > + uart_c: serial@7c000 { > + compatible = "amlogic,t7-uart", "amlogic,meson-s4-uart"; > + reg = <0x0 0x7c000 0x0 0x18>; > + interrupts = ; > + clocks = <&xtal>, <&clkc_periphs CLKID_SYS_UART_C>, <&xtal>; > + clock-names = "xtal", "pclk", "baud"; > + status = "disabled"; > + }; > + > + uart_d: serial@7e000 { > + compatible = "amlogic,t7-uart", "amlogic,meson-s4-uart"; > + reg = <0x0 0x7e000 0x0 0x18>; > + interrupts = ; > + clocks = <&xtal>, <&clkc_periphs CLKID_SYS_UART_D>, <&xtal>; > + clock-names = "xtal", "pclk", "baud"; > + status = "disabled"; > + }; > + > + uart_e: serial@80000 { > + compatible = "amlogic,t7-uart", "amlogic,meson-s4-uart"; > + reg = <0x0 0x80000 0x0 0x18>; > + interrupts = ; > + clocks = <&xtal>, <&clkc_periphs CLKID_SYS_UART_E>, <&xtal>; > + clock-names = "xtal", "pclk", "baud"; > + status = "disabled"; > + }; > + > + uart_f: serial@82000 { > + compatible = "amlogic,t7-uart", "amlogic,meson-s4-uart"; > + reg = <0x0 0x82000 0x0 0x18>; > + interrupts = ; > + clocks = <&xtal>, <&clkc_periphs CLKID_SYS_UART_F>, <&xtal>; > + clock-names = "xtal", "pclk", "baud"; > + status = "disabled"; > + }; > + > sd_emmc_a: mmc@88000 { > compatible = "amlogic,t7-mmc", "amlogic,meson-axg-mmc"; > reg = <0x0 0x88000 0x0 0x800>; > Reviewed-by: Neil Armstrong Thanks, Neil