From: Frank Li <Frank.Li@nxp.com>
To: krzysztof.kozlowski@linaro.org, shawnguo@kernel.org, festevam@denx.de
Cc: Frank.li@nxp.com, devicetree@vger.kernel.org,
dmaengine@vger.kernel.org, imx@lists.linux.dev, joy.zou@nxp.com,
krzysztof.kozlowski+dt@linaro.org, linux-kernel@vger.kernel.org,
peng.fan@nxp.com, robh+dt@kernel.org, shenwei.wang@nxp.com,
vkoul@kernel.org
Subject: [PATCH 2/4] dt-bindings: dma: fsl-edma: Add fsl-edma.h to prevent hardcoding in dts
Date: Tue, 14 Nov 2023 10:48:22 -0500 [thread overview]
Message-ID: <20231114154824.3617255-3-Frank.Li@nxp.com> (raw)
In-Reply-To: <20231114154824.3617255-1-Frank.Li@nxp.com>
Introduce a common dt-bindings header file, fsl-edma.h, shared between
the driver and dts files. This addition aims to eliminate hardcoded values
in dts files, promoting maintainability and consistency.
DTS header file not support BIT() macro yet. Directly use 2^n number.
Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
include/dt-bindings/dma/fsl-edma.h | 21 +++++++++++++++++++++
1 file changed, 21 insertions(+)
create mode 100644 include/dt-bindings/dma/fsl-edma.h
diff --git a/include/dt-bindings/dma/fsl-edma.h b/include/dt-bindings/dma/fsl-edma.h
new file mode 100644
index 0000000000000..fd11478cfe9cc
--- /dev/null
+++ b/include/dt-bindings/dma/fsl-edma.h
@@ -0,0 +1,21 @@
+/* SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause */
+
+#ifndef _FSL_EDMA_DT_BINDING_H_
+#define _FSL_EDMA_DT_BINDING_H_
+
+/* Receive Channel */
+#define FSL_EDMA_RX 0x1
+
+/* iMX8 audio remote DMA */
+#define FSL_EDMA_REMOTE 0x2
+
+/* FIFO is continue memory region */
+#define FSL_EDMA_MULTI_FIFO 0x4
+
+/* Channel need stick to even channel */
+#define FSL_EDMA_EVEN_CH 0x8
+
+/* Channel need stick to odd channel */
+#define FSL_EDMA_ODD_CH 0x10
+
+#endif
--
2.34.1
next prev parent reply other threads:[~2023-11-14 15:48 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-11-14 15:48 [PATCH 0/4] dmaengine: fsl-edma: fix eDMAv4 uart dma loop test failure Frank Li
2023-11-14 15:48 ` [PATCH 1/4] dmaengine: fsl-edma: fix eDMAv4 channel allocation issue Frank Li
2023-11-14 15:48 ` Frank Li [this message]
2023-11-16 19:30 ` [PATCH 2/4] dt-bindings: dma: fsl-edma: Add fsl-edma.h to prevent hardcoding in dts Rob Herring
2023-11-14 15:48 ` [PATCH 3/4] dmaengine: fsl-edma: utilize common dt-binding header file Frank Li
2023-11-14 15:48 ` [PATCH 4/4] arm64: dts: imx93: Fix EDMA transfer failure Frank Li
2023-12-15 5:04 ` [PATCH 0/4] dmaengine: fsl-edma: fix eDMAv4 uart dma loop test failure Frank Li
2023-12-21 16:30 ` (subset) " Vinod Koul
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20231114154824.3617255-3-Frank.Li@nxp.com \
--to=frank.li@nxp.com \
--cc=devicetree@vger.kernel.org \
--cc=dmaengine@vger.kernel.org \
--cc=festevam@denx.de \
--cc=imx@lists.linux.dev \
--cc=joy.zou@nxp.com \
--cc=krzysztof.kozlowski+dt@linaro.org \
--cc=krzysztof.kozlowski@linaro.org \
--cc=linux-kernel@vger.kernel.org \
--cc=peng.fan@nxp.com \
--cc=robh+dt@kernel.org \
--cc=shawnguo@kernel.org \
--cc=shenwei.wang@nxp.com \
--cc=vkoul@kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.