From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9C9392EC0A6; Sat, 25 Jul 2026 13:15:59 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784985361; cv=none; b=XhuFqOfVnAHSSI1Jy21eGEKm8ZpDEyDOU5xdcjHvdVitqFeIH04IKLNguTeZoi3C9+i3h9G4jWpI0/+nEPvAJu0uc398bAwpYRopmAXU6YGHw8vaBakd5SWIOMjVABUE+Nyk/dT6CyvRZKfjzNSiysk7t0pOoFITgdPJLjfRW1I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1784985361; c=relaxed/simple; bh=Jza9dBmNX95LB2vhP/MvN/dtx1frZDbFAwWceC7KWz4=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=q+jx//T0bRjO3crMeMt0I66fbKSkrDyuyFthnb5tCChLxSTRPJqe4Q4lXrbMXU2bO0sQ7unzeB1ENYLHUDUANRpJqxAN3rkFjXM/sJcwAv1shqRZGsXfYEaCJ4dqVGQIQYgqHaIry42x7qswL4aBDL4S7X5D57cFDyhpmyDCh6c= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=SFJfQxef; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="SFJfQxef" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 80ADE1F000E9; Sat, 25 Jul 2026 13:15:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1784985359; bh=kT5XrLFshmt7cvuC4cpsKMz5cnoF+ktfQ+kqzEfCPuQ=; h=Date:From:To:Cc:Subject:References:In-Reply-To; b=SFJfQxef8TkdhDhuHbCYgas9g0LlIQnUIIhdbCouH/cKjxxpZbbujjdsrJpiW9nLE +yfo5ZMcHjUKhAhKGmrfJvMw7pu2Y4s424P5tM4KL2tCbDYPCYkZdhOCcmJrqOG95b 2OTNB/fhFOhPyGGVryhbRfVE14Ag9lAgc2/JDvXOmi4yDcrq/55Ty4ETL0a8FADyCO OOHTTQGukDWXnARLvg3GnsHUFF2VkGCZEWmc//4FMXZJ8YQFwXb51qcIaR8gW6w8zT DvckpRVH3c4HHuRBHyRhfItKxBnhHqObNnH76AabdflG1pqb2eyfpqk0TveoLeyI1Z YXzavmMCwjQrQ== Date: Sat, 25 Jul 2026 13:15:55 +0000 From: Yixun Lan To: Zhengyu He Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Mark Brown , Alex Elder , devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, linux-kernel@vger.kernel.org, linux-spi@vger.kernel.org, wefu@redhat.com, liyeshan , Guodong Xu Subject: Re: [PATCH 1/4] riscv: dts: spacemit: add K3 PDMA request numbers Message-ID: <20260725131555-GKF77545@kernel.org> References: <20260717-k3-com260-spi-v7-2-rc2-b4-preview-20260716-v1-0-969a1b0f783f@gmail.com> <20260717-k3-com260-spi-v7-2-rc2-b4-preview-20260716-v1-1-969a1b0f783f@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20260717-k3-com260-spi-v7-2-rc2-b4-preview-20260716-v1-1-969a1b0f783f@gmail.com> Hi Zhengyu, On 07:45 Fri 17 Jul , Zhengyu He wrote: > From: liyeshan > > Add a local DTS header that gives symbolic names to the SpacemiT K3 > PDMA request lines of the non-secure peripherals. Device trees can use > these K3_PDMA_* macros instead of hard-coded request numbers when wiring > a peripheral "dmas" property. > > Signed-off-by: liyeshan > Signed-off-by: Guodong Xu > Signed-off-by: Zhengyu He Reviewed-by: Yixun Lan > --- > arch/riscv/boot/dts/spacemit/k3-pdma.h | 83 ++++++++++++++++++++++++++++++++++ > 1 file changed, 83 insertions(+) > > diff --git a/arch/riscv/boot/dts/spacemit/k3-pdma.h b/arch/riscv/boot/dts/spacemit/k3-pdma.h > new file mode 100644 > index 000000000000..a5b723ad616a > --- /dev/null > +++ b/arch/riscv/boot/dts/spacemit/k3-pdma.h > @@ -0,0 +1,83 @@ > +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ > +/* > + * DMA request number (DRQ) definitions for non-secure peripherals of > + * the SpacemiT K3 PDMA. > + * > + * Copyright (c) 2025 SpacemiT > + * Copyright (c) 2026 Guodong Xu > + */ > + > +#ifndef _DTS_SPACEMIT_K3_PDMA_H > +#define _DTS_SPACEMIT_K3_PDMA_H > + > +/* UART DMA request numbers */ > +#define K3_PDMA_UART0_TX 3 > +#define K3_PDMA_UART0_RX 4 > +#define K3_PDMA_UART2_TX 5 > +#define K3_PDMA_UART2_RX 6 > +#define K3_PDMA_UART3_TX 7 > +#define K3_PDMA_UART3_RX 8 > +#define K3_PDMA_UART4_TX 9 > +#define K3_PDMA_UART4_RX 10 > +#define K3_PDMA_UART5_TX 25 > +#define K3_PDMA_UART5_RX 26 > +#define K3_PDMA_UART6_TX 27 > +#define K3_PDMA_UART6_RX 28 > +#define K3_PDMA_UART7_TX 29 > +#define K3_PDMA_UART7_RX 30 > +#define K3_PDMA_UART8_TX 31 > +#define K3_PDMA_UART8_RX 32 > +#define K3_PDMA_UART9_TX 33 > +#define K3_PDMA_UART9_RX 34 > +#define K3_PDMA_UART10_TX 53 > +#define K3_PDMA_UART10_RX 54 > + > +/* I2C DMA request numbers */ > +#define K3_PDMA_I2C0_TX 11 > +#define K3_PDMA_I2C0_RX 12 > +#define K3_PDMA_I2C1_TX 13 > +#define K3_PDMA_I2C1_RX 14 > +#define K3_PDMA_I2C2_TX 15 > +#define K3_PDMA_I2C2_RX 16 > +#define K3_PDMA_I2C4_TX 17 > +#define K3_PDMA_I2C4_RX 18 > +#define K3_PDMA_I2C5_TX 35 > +#define K3_PDMA_I2C5_RX 36 > +#define K3_PDMA_I2C6_TX 37 > +#define K3_PDMA_I2C6_RX 38 > +#define K3_PDMA_I2C8_TX 41 > +#define K3_PDMA_I2C8_RX 42 > + > +/* SSP/SPI DMA request numbers */ > +#define K3_PDMA_SSP3_TX 19 > +#define K3_PDMA_SSP3_RX 20 > +#define K3_PDMA_SSPA0_TX 21 > +#define K3_PDMA_SSPA0_RX 22 > +#define K3_PDMA_SSPA1_TX 23 > +#define K3_PDMA_SSPA1_RX 24 > +#define K3_PDMA_SSPA2_TX 56 > +#define K3_PDMA_SSPA2_RX 57 > +#define K3_PDMA_SSPA3_TX 58 > +#define K3_PDMA_SSPA3_RX 59 > +#define K3_PDMA_SSPA4_TX 60 > +#define K3_PDMA_SSPA4_RX 61 > +#define K3_PDMA_SSPA5_TX 62 > +#define K3_PDMA_SSPA5_RX 63 > + > +/* CAN DMA request numbers */ > +#define K3_PDMA_CAN0_RX 43 > +#define K3_PDMA_CAN1_RX 44 > +#define K3_PDMA_CAN2_RX 51 > +#define K3_PDMA_CAN3_RX 52 > + > +/* SSP0/1 DMA request numbers */ > +#define K3_PDMA_SSP0_TX 64 > +#define K3_PDMA_SSP0_RX 65 > +#define K3_PDMA_SSP1_TX 66 > +#define K3_PDMA_SSP1_RX 67 > + > +/* QSPI DMA request numbers */ > +#define K3_PDMA_QSPI_RX 84 > +#define K3_PDMA_QSPI_TX 85 > + > +#endif /* _DTS_SPACEMIT_K3_PDMA_H */ > > -- > 2.53.0 > -- Yixun Lan (dlan)