From nobody Wed Oct 8 23:42:15 2025 Received: from cstnet.cn (smtp21.cstnet.cn [159.226.251.21]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 7652D23BD1A; Mon, 23 Jun 2025 10:04:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.21 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750673087; cv=none; b=csxW2N2V27XyKtltBv+DSj5mSGyrkD/HR2YmMTrxvXAKYss6a0LG4yeujAG3GrxJVw/r0TAxWAgBb7O4EmQAcKFaDD86mu3WJ4Mt5S2XdIeUel7oarj0nJIT67ESBjOvMvsdWJNAORYWyjlfnWVMvgLn7txv8gLOUVGxGD3500E= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750673087; c=relaxed/simple; bh=1e6X1Y97u+9LYEaGy4t4Tu9uuXbMaIC4xIFW5/A2uYs=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=P5oyC18mC7PzFkZBM63VMPwwfECkAjekCvz3CasbIeAo1G8HKWT3qCPXzOoTTMAr1r8Vb7cSElm9jecEpi/0OMJZkZikp9lGyclngIA0wguer3XnMhh5oIAXHrHGXgR+Yv3a9Bpi7ppHM0J0HarREtl0s8jvshI/XHDBvmOhfwY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from [127.0.0.2] (unknown [210.73.43.2]) by APP-01 (Coremail) with SMTP id qwCowAD3ptWtJlloxg+rCA--.29805S3; Mon, 23 Jun 2025 18:04:30 +0800 (CST) From: Vivian Wang Date: Mon, 23 Jun 2025 18:04:16 +0800 Subject: [PATCH 1/3] riscv: dts: spacemit: Add DMA translation buses for K1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250623-k1-dma-buses-rfc-wip-v1-1-c0144082061f@iscas.ac.cn> References: <20250623-k1-dma-buses-rfc-wip-v1-0-c0144082061f@iscas.ac.cn> In-Reply-To: <20250623-k1-dma-buses-rfc-wip-v1-0-c0144082061f@iscas.ac.cn> To: Yixun Lan , Guodong Xu , Ze Huang , Alex Elder , spacemit@lists.linux.dev, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: Vivian Wang , devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Vivian Wang X-Mailer: b4 0.14.2 X-CM-TRANSID: qwCowAD3ptWtJlloxg+rCA--.29805S3 X-Coremail-Antispam: 1UD129KBjvJXoW7Kr13KFWxuF13Kw18uF15Jwb_yoW8KryUpr WDArs5GrW8tF47Aw43ArW2qw15JF40kF4kGr12yry5ArnYqr4Utr4Ut34fGFyUJF4UXwnF qFsrAr1UKF1DJw7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUmE14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_Jr4l82xGYIkIc2 x26xkF7I0E14v26r4j6ryUM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr1UM2 8EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s0DM2AI xVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20x vE14v26r106r15McIj6I8E87Iv67AKxVW8Jr0_Cr1UMcvjeVCFs4IE7xkEbVWUJVW8JwAC jcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2Y2ka0x kIwI1lc7CjxVAaw2AFwI0_GFv_Wrylc2xSY4AK67AK6r4DMxAIw28IcxkI7VAKI48JMxC2 0s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI 0_JrI_JrWlx4CE17CEb7AF67AKxVW8ZVWrXwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE 14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw20EY4v20x vaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxVW8 JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7sRExwI7UUUUU== X-CM-SenderInfo: pzdqw2pxlnt03j6l2u1dvotugofq/ The SpacemiT K1 has various static translations of DMA accesses. Add these as simple-bus nodes with dma-ranges. Devices actually using these translations will be added to or moved inside the bus nodes in later patches. The bus names are assigned according to consensus with SpacemiT [1]. Link: https://lore.kernel.org/r/CAH1PCMaC+imcMZCFYtRdmH6ge=3DdPgnANn_GqVfsG= RS=3D+YhyJCw@mail.gmail.com [1] Signed-off-by: Vivian Wang Reviewed-by: Guodong Xu --- arch/riscv/boot/dts/spacemit/k1.dtsi | 53 ++++++++++++++++++++++++++++++++= ++++ 1 file changed, 53 insertions(+) diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spa= cemit/k1.dtsi index 14097f1f6f447bd33ff3aaa07382d27ca8e59a48..99c76997b367f733c9dda2c30dd= 85817294ef9b7 100644 --- a/arch/riscv/boot/dts/spacemit/k1.dtsi +++ b/arch/riscv/boot/dts/spacemit/k1.dtsi @@ -571,5 +571,58 @@ sec_uart1: serial@f0612000 { reg-io-width =3D <4>; status =3D "reserved"; /* for TEE usage */ }; + + camera-bus { + compatible =3D "simple-bus"; + ranges; + #address-cells =3D <2>; + #size-cells =3D <2>; + dma-ranges =3D <0x0 0x00000000 0x0 0x00000000 0x0 0x80000000>, + <0x0 0x80000000 0x1 0x00000000 0x1 0x80000000>; + }; + + dma-bus { + compatible =3D "simple-bus"; + ranges; + #address-cells =3D <2>; + #size-cells =3D <2>; + dma-ranges =3D <0x0 0x00000000 0x0 0x00000000 0x0 0x80000000>, + <0x1 0x00000000 0x1 0x80000000 0x3 0x00000000>; + }; + + multimedia-bus { + compatible =3D "simple-bus"; + ranges; + #address-cells =3D <2>; + #size-cells =3D <2>; + dma-ranges =3D <0x0 0x00000000 0x0 0x00000000 0x0 0x80000000>, + <0x0 0x80000000 0x1 0x00000000 0x3 0x80000000>; + }; + + network-bus { + compatible =3D "simple-bus"; + ranges; + #address-cells =3D <2>; + #size-cells =3D <2>; + dma-ranges =3D <0x0 0x00000000 0x0 0x00000000 0x0 0x80000000>, + <0x0 0x80000000 0x1 0x00000000 0x0 0x80000000>; + }; + + pcie-bus { + compatible =3D "simple-bus"; + ranges; + #address-cells =3D <2>; + #size-cells =3D <2>; + dma-ranges =3D <0x0 0x00000000 0x0 0x00000000 0x0 0x80000000>, + <0x0 0xb8000000 0x1 0x38000000 0x3 0x48000000>; + }; + + storage-bus { + compatible =3D "simple-bus"; + ranges; + #address-cells =3D <2>; + #size-cells =3D <2>; + dma-ranges =3D <0x0 0x00000000 0x0 0x00000000 0x0 0x80000000>; + }; }; }; --=20 2.49.0 From nobody Wed Oct 8 23:42:15 2025 Received: from cstnet.cn (smtp21.cstnet.cn [159.226.251.21]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 0044322FE17; 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dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from [127.0.0.2] (unknown [210.73.43.2]) by APP-01 (Coremail) with SMTP id qwCowAD3ptWtJlloxg+rCA--.29805S4; Mon, 23 Jun 2025 18:04:30 +0800 (CST) From: Vivian Wang Date: Mon, 23 Jun 2025 18:04:17 +0800 Subject: [PATCH 2/3] riscv: dts: spacemit: Move UARTs under dma-bus for K1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250623-k1-dma-buses-rfc-wip-v1-2-c0144082061f@iscas.ac.cn> References: <20250623-k1-dma-buses-rfc-wip-v1-0-c0144082061f@iscas.ac.cn> In-Reply-To: <20250623-k1-dma-buses-rfc-wip-v1-0-c0144082061f@iscas.ac.cn> To: Yixun Lan , Guodong Xu , Ze Huang , Alex Elder , spacemit@lists.linux.dev, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: Vivian Wang , devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Vivian Wang X-Mailer: b4 0.14.2 X-CM-TRANSID: qwCowAD3ptWtJlloxg+rCA--.29805S4 X-Coremail-Antispam: 1UD129KBjvJXoWxtF4rGF43XrWkXrWfJw48tFb_yoW3GF1Up3 yxCFZ3CrWvqF1Yvwn0qFZrKrWkGFW8Ka93WwnFyw1fJF9agFWqvF4xJFyxtF1UX34DZw45 tF95Arykta10qw7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUQj14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_Jryl82xGYIkIc2 x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr1UM2 8EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s0DM2AI xVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20x vE14v26r106r15McIj6I8E87Iv67AKxVW8Jr0_Cr1UMcvjeVCFs4IE7xkEbVWUJVW8JwAC jcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2Y2ka0x kIwI1lc7CjxVAaw2AFwI0_GFv_Wrylc2xSY4AK67AK6r4DMxAIw28IcxkI7VAKI48JMxC2 0s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI 0_JrI_JrWlx4CE17CEb7AF67AKxVW8ZVWrXwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE 14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWxJVW8Jr1lIxAIcVCF04k26cxKx2 IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_ Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0JUbYFAUUUUU= X-CM-SenderInfo: pzdqw2pxlnt03j6l2u1dvotugofq/ UART devices in Spacemit K1 use dma-bus DMA translations. Move these nodes under dma-bus to reflect this fact. Signed-off-by: Vivian Wang Reviewed-by: Guodong Xu --- arch/riscv/boot/dts/spacemit/k1.dtsi | 246 ++++++++++++++++++-------------= ---- 1 file changed, 128 insertions(+), 118 deletions(-) diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spa= cemit/k1.dtsi index 99c76997b367f733c9dda2c30dd85817294ef9b7..0d41694699851e672a833601b62= c2b2ad3daae79 100644 --- a/arch/riscv/boot/dts/spacemit/k1.dtsi +++ b/arch/riscv/boot/dts/spacemit/k1.dtsi @@ -357,114 +357,6 @@ syscon_apbc: system-controller@d4015000 { #reset-cells =3D <1>; }; =20 - uart0: serial@d4017000 { - compatible =3D "spacemit,k1-uart", "intel,xscale-uart"; - reg =3D <0x0 0xd4017000 0x0 0x100>; - clocks =3D <&syscon_apbc CLK_UART0>, - <&syscon_apbc CLK_UART0_BUS>; - clock-names =3D "core", "bus"; - interrupts =3D <42>; - reg-shift =3D <2>; - reg-io-width =3D <4>; - status =3D "disabled"; - }; - - uart2: serial@d4017100 { - compatible =3D "spacemit,k1-uart", "intel,xscale-uart"; - reg =3D <0x0 0xd4017100 0x0 0x100>; - clocks =3D <&syscon_apbc CLK_UART2>, - <&syscon_apbc CLK_UART2_BUS>; - clock-names =3D "core", "bus"; - interrupts =3D <44>; - reg-shift =3D <2>; - reg-io-width =3D <4>; - status =3D "disabled"; - }; - - uart3: serial@d4017200 { - compatible =3D "spacemit,k1-uart", "intel,xscale-uart"; - reg =3D <0x0 0xd4017200 0x0 0x100>; - clocks =3D <&syscon_apbc CLK_UART3>, - <&syscon_apbc CLK_UART3_BUS>; - clock-names =3D "core", "bus"; - interrupts =3D <45>; - reg-shift =3D <2>; - reg-io-width =3D <4>; - status =3D "disabled"; - }; - - uart4: serial@d4017300 { - compatible =3D "spacemit,k1-uart", "intel,xscale-uart"; - reg =3D <0x0 0xd4017300 0x0 0x100>; - clocks =3D <&syscon_apbc CLK_UART4>, - <&syscon_apbc CLK_UART4_BUS>; - clock-names =3D "core", "bus"; - interrupts =3D <46>; - reg-shift =3D <2>; - reg-io-width =3D <4>; - status =3D "disabled"; - }; - - uart5: serial@d4017400 { - compatible =3D "spacemit,k1-uart", "intel,xscale-uart"; - reg =3D <0x0 0xd4017400 0x0 0x100>; - clocks =3D <&syscon_apbc CLK_UART5>, - <&syscon_apbc CLK_UART5_BUS>; - clock-names =3D "core", "bus"; - interrupts =3D <47>; - reg-shift =3D <2>; - reg-io-width =3D <4>; - status =3D "disabled"; - }; - - uart6: serial@d4017500 { - compatible =3D "spacemit,k1-uart", "intel,xscale-uart"; - reg =3D <0x0 0xd4017500 0x0 0x100>; - clocks =3D <&syscon_apbc CLK_UART6>, - <&syscon_apbc CLK_UART6_BUS>; - clock-names =3D "core", "bus"; - interrupts =3D <48>; - reg-shift =3D <2>; - reg-io-width =3D <4>; - status =3D "disabled"; - }; - - uart7: serial@d4017600 { - compatible =3D "spacemit,k1-uart", "intel,xscale-uart"; - reg =3D <0x0 0xd4017600 0x0 0x100>; - clocks =3D <&syscon_apbc CLK_UART7>, - <&syscon_apbc CLK_UART7_BUS>; - clock-names =3D "core", "bus"; - interrupts =3D <49>; - reg-shift =3D <2>; - reg-io-width =3D <4>; - status =3D "disabled"; - }; - - uart8: serial@d4017700 { - compatible =3D "spacemit,k1-uart", "intel,xscale-uart"; - reg =3D <0x0 0xd4017700 0x0 0x100>; - clocks =3D <&syscon_apbc CLK_UART8>, - <&syscon_apbc CLK_UART8_BUS>; - clock-names =3D "core", "bus"; - interrupts =3D <50>; - reg-shift =3D <2>; - reg-io-width =3D <4>; - status =3D "disabled"; - }; - - uart9: serial@d4017800 { - compatible =3D "spacemit,k1-uart", "intel,xscale-uart"; - reg =3D <0x0 0xd4017800 0x0 0x100>; - clocks =3D <&syscon_apbc CLK_UART9>, - <&syscon_apbc CLK_UART9_BUS>; - clock-names =3D "core", "bus"; - interrupts =3D <51>; - reg-shift =3D <2>; - reg-io-width =3D <4>; - status =3D "disabled"; - }; - gpio: gpio@d4019000 { compatible =3D "spacemit,k1-gpio"; reg =3D <0x0 0xd4019000 0x0 0x100>; @@ -562,16 +454,6 @@ clint: timer@e4000000 { <&cpu7_intc 3>, <&cpu7_intc 7>; }; =20 - sec_uart1: serial@f0612000 { - compatible =3D "spacemit,k1-uart", "intel,xscale-uart"; - reg =3D <0x0 0xf0612000 0x0 0x100>; - interrupts =3D <43>; - clock-frequency =3D <14857000>; - reg-shift =3D <2>; - reg-io-width =3D <4>; - status =3D "reserved"; /* for TEE usage */ - }; - camera-bus { compatible =3D "simple-bus"; ranges; @@ -588,6 +470,134 @@ dma-bus { #size-cells =3D <2>; dma-ranges =3D <0x0 0x00000000 0x0 0x00000000 0x0 0x80000000>, <0x1 0x00000000 0x1 0x80000000 0x3 0x00000000>; + + uart0: serial@d4017000 { + compatible =3D "spacemit,k1-uart", + "intel,xscale-uart"; + reg =3D <0x0 0xd4017000 0x0 0x100>; + clocks =3D <&syscon_apbc CLK_UART0>, + <&syscon_apbc CLK_UART0_BUS>; + clock-names =3D "core", "bus"; + interrupts =3D <42>; + reg-shift =3D <2>; + reg-io-width =3D <4>; + status =3D "disabled"; + }; + + uart2: serial@d4017100 { + compatible =3D "spacemit,k1-uart", + "intel,xscale-uart"; + reg =3D <0x0 0xd4017100 0x0 0x100>; + clocks =3D <&syscon_apbc CLK_UART2>, + <&syscon_apbc CLK_UART2_BUS>; + clock-names =3D "core", "bus"; + interrupts =3D <44>; + reg-shift =3D <2>; + reg-io-width =3D <4>; + status =3D "disabled"; + }; + + uart3: serial@d4017200 { + compatible =3D "spacemit,k1-uart", + "intel,xscale-uart"; + reg =3D <0x0 0xd4017200 0x0 0x100>; + clocks =3D <&syscon_apbc CLK_UART3>, + <&syscon_apbc CLK_UART3_BUS>; + clock-names =3D "core", "bus"; + interrupts =3D <45>; + reg-shift =3D <2>; + reg-io-width =3D <4>; + status =3D "disabled"; + }; + + uart4: serial@d4017300 { + compatible =3D "spacemit,k1-uart", + "intel,xscale-uart"; + reg =3D <0x0 0xd4017300 0x0 0x100>; + clocks =3D <&syscon_apbc CLK_UART4>, + <&syscon_apbc CLK_UART4_BUS>; + clock-names =3D "core", "bus"; + interrupts =3D <46>; + reg-shift =3D <2>; + reg-io-width =3D <4>; + status =3D "disabled"; + }; + + uart5: serial@d4017400 { + compatible =3D "spacemit,k1-uart", + "intel,xscale-uart"; + reg =3D <0x0 0xd4017400 0x0 0x100>; + clocks =3D <&syscon_apbc CLK_UART5>, + <&syscon_apbc CLK_UART5_BUS>; + clock-names =3D "core", "bus"; + interrupts =3D <47>; + reg-shift =3D <2>; + reg-io-width =3D <4>; + status =3D "disabled"; + }; + + uart6: serial@d4017500 { + compatible =3D "spacemit,k1-uart", + "intel,xscale-uart"; + reg =3D <0x0 0xd4017500 0x0 0x100>; + clocks =3D <&syscon_apbc CLK_UART6>, + <&syscon_apbc CLK_UART6_BUS>; + clock-names =3D "core", "bus"; + interrupts =3D <48>; + reg-shift =3D <2>; + reg-io-width =3D <4>; + status =3D "disabled"; + }; + + uart7: serial@d4017600 { + compatible =3D "spacemit,k1-uart", + "intel,xscale-uart"; + reg =3D <0x0 0xd4017600 0x0 0x100>; + clocks =3D <&syscon_apbc CLK_UART7>, + <&syscon_apbc CLK_UART7_BUS>; + clock-names =3D "core", "bus"; + interrupts =3D <49>; + reg-shift =3D <2>; + reg-io-width =3D <4>; + status =3D "disabled"; + }; + + uart8: serial@d4017700 { + compatible =3D "spacemit,k1-uart", + "intel,xscale-uart"; + reg =3D <0x0 0xd4017700 0x0 0x100>; + clocks =3D <&syscon_apbc CLK_UART8>, + <&syscon_apbc CLK_UART8_BUS>; + clock-names =3D "core", "bus"; + interrupts =3D <50>; + reg-shift =3D <2>; + reg-io-width =3D <4>; + status =3D "disabled"; + }; + + uart9: serial@d4017800 { + compatible =3D "spacemit,k1-uart", + "intel,xscale-uart"; + reg =3D <0x0 0xd4017800 0x0 0x100>; + clocks =3D <&syscon_apbc CLK_UART9>, + <&syscon_apbc CLK_UART9_BUS>; + clock-names =3D "core", "bus"; + interrupts =3D <51>; + reg-shift =3D <2>; + reg-io-width =3D <4>; + status =3D "disabled"; + }; + + sec_uart1: serial@f0612000 { + compatible =3D "spacemit,k1-uart", + "intel,xscale-uart"; + reg =3D <0x0 0xf0612000 0x0 0x100>; + interrupts =3D <43>; + clock-frequency =3D <14857000>; + reg-shift =3D <2>; + reg-io-width =3D <4>; + status =3D "reserved"; /* for TEE usage */ + }; }; =20 multimedia-bus { --=20 2.49.0 From nobody Wed Oct 8 23:42:15 2025 Received: from cstnet.cn (smtp21.cstnet.cn [159.226.251.21]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 29F6D23BD0F; Mon, 23 Jun 2025 10:04:45 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.21 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750673088; cv=none; b=ESGm7539JSKzNxSr4DGmmglPOPK2UHK3LbrXjQgwk2f372H4w9IdI+0oBLV/EiEufBfCm6OTGK43wp9AfGoLddf+GlFUe/U0D9eZlrJ3KzS6RpTrPfolG5jgadkKqzBBIwmUvSSeGiQdaOIAwY5ZKZ2CIaabXdrCzu/kAW5jSCI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750673088; c=relaxed/simple; bh=bXmCnr9T6aBc3USTUb76kIZUoHlN7k9TMoPzlD9mi3c=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=cBWJr3xkTHtaJNhyLx96twHfNAHAOyO7txDEquZL1EmaEzon9JU309gK1ysgPIx/OvT6x16BdFBDkP7hWAXXHGHCR93SSWNq4A3DnuRjwamvlJezskSumhZLz9NMnfS66JHMKE6j0YEg6zxqYpILIA90wRAt4MZSxpTnFJV2l00= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from [127.0.0.2] (unknown [210.73.43.2]) by APP-01 (Coremail) with SMTP id qwCowAD3ptWtJlloxg+rCA--.29805S5; Mon, 23 Jun 2025 18:04:30 +0800 (CST) From: Vivian Wang Date: Mon, 23 Jun 2025 18:04:18 +0800 Subject: [PATCH 3/3] riscv: dts: spacemit: Move eMMC under storage-bus for K1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250623-k1-dma-buses-rfc-wip-v1-3-c0144082061f@iscas.ac.cn> References: <20250623-k1-dma-buses-rfc-wip-v1-0-c0144082061f@iscas.ac.cn> In-Reply-To: <20250623-k1-dma-buses-rfc-wip-v1-0-c0144082061f@iscas.ac.cn> To: Yixun Lan , Guodong Xu , Ze Huang , Alex Elder , spacemit@lists.linux.dev, Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti Cc: Vivian Wang , devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Vivian Wang X-Mailer: b4 0.14.2 X-CM-TRANSID: qwCowAD3ptWtJlloxg+rCA--.29805S5 X-Coremail-Antispam: 1UD129KBjvJXoW7tw48Ar48Xw1ruF18Ar1kXwb_yoW8XryUp3 9rCrZ3CrWIvF4Fkw4aqrZrWr4kGFZYkFs5Jw1DCryrJws8XFWjqr48Jw1fJFyUXryfA3sF gF1kXr1UKr1UAaUanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUQ014x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JrWl82xGYIkIc2 x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr1UM2 8EF7xvwVC2z280aVAFwI0_GcCE3s1l84ACjcxK6I8E87Iv6xkF7I0E14v26rxl6s0DM2AI xVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjxv20x vE14v26r106r15McIj6I8E87Iv67AKxVW8Jr0_Cr1UMcvjeVCFs4IE7xkEbVWUJVW8JwAC jcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1lFIxGxcIEc7CjxVA2Y2ka0x kIwI1lc7CjxVAaw2AFwI0_GFv_Wrylc2xSY4AK67AK6r4DMxAIw28IcxkI7VAKI48JMxC2 0s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAFwI 0_JrI_JrWlx4CE17CEb7AF67AKxVW8ZVWrXwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20xvE 14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVWxJVW8Jr1lIxAIcVCF04k26cxKx2 IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxVAFwI0_ Gr1j6F4UJbIYCTnIWIevJa73UjIFyTuYvjfUUXdbUUUUU X-CM-SenderInfo: pzdqw2pxlnt03j6l2u1dvotugofq/ SDHCI devices in Spacemit K1 use storage-bus translations. Move the node emmc under storage-bus to reflect this fact. Signed-off-by: Vivian Wang --- arch/riscv/boot/dts/spacemit/k1.dtsi | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-) diff --git a/arch/riscv/boot/dts/spacemit/k1.dtsi b/arch/riscv/boot/dts/spa= cemit/k1.dtsi index 0d41694699851e672a833601b62c2b2ad3daae79..2d40360994d87edfbdaefc364ae= 706712022ba09 100644 --- a/arch/riscv/boot/dts/spacemit/k1.dtsi +++ b/arch/riscv/boot/dts/spacemit/k1.dtsi @@ -403,15 +403,6 @@ pll: clock-controller@d4090000 { #clock-cells =3D <1>; }; =20 - emmc: mmc@d4281000 { - compatible =3D "spacemit,k1-sdhci"; - reg =3D <0x0 0xd4281000 0x0 0x200>; - clocks =3D <&syscon_apmu CLK_SDH_AXI>, <&syscon_apmu CLK_SDH2>; - clock-names =3D "core", "io"; - interrupts =3D <101>; - status =3D "disabled"; - }; - syscon_apmu: system-controller@d4282800 { compatible =3D "spacemit,k1-syscon-apmu"; reg =3D <0x0 0xd4282800 0x0 0x400>; @@ -633,6 +624,16 @@ storage-bus { #address-cells =3D <2>; #size-cells =3D <2>; dma-ranges =3D <0x0 0x00000000 0x0 0x00000000 0x0 0x80000000>; + + emmc: mmc@d4281000 { + compatible =3D "spacemit,k1-sdhci"; + reg =3D <0x0 0xd4281000 0x0 0x200>; + clocks =3D <&syscon_apmu CLK_SDH_AXI>, + <&syscon_apmu CLK_SDH2>; + clock-names =3D "core", "io"; + interrupts =3D <101>; + status =3D "disabled"; + }; }; }; }; --=20 2.49.0