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Message-ID: <20240520154213.689699-3-amelie.delaunay@foss.st.com>
Date: Mon, 20 May 2024 17:42:03 +0200
From: Amelie Delaunay <amelie.delaunay@...s.st.com>
To: Vinod Koul <vkoul@...nel.org>, Rob Herring <robh+dt@...nel.org>,
Krzysztof
Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Conor Dooley
<conor+dt@...nel.org>,
Maxime Coquelin <mcoquelin.stm32@...il.com>,
Alexandre
Torgue <alexandre.torgue@...s.st.com>
CC: <dmaengine@...r.kernel.org>, <devicetree@...r.kernel.org>,
<linux-stm32@...md-mailman.stormreply.com>,
<linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
<linux-hardening@...r.kernel.org>,
Amelie Delaunay
<amelie.delaunay@...s.st.com>
Subject: [PATCH v3 02/12] dmaengine: stm32: New directory for STM32 DMA controllers drivers
Gather the STM32 DMA controllers under drivers/dma/stm32/
Signed-off-by: Amelie Delaunay <amelie.delaunay@...s.st.com>
---
drivers/dma/Kconfig | 34 ++---------------------
drivers/dma/Makefile | 4 +--
drivers/dma/stm32/Kconfig | 37 ++++++++++++++++++++++++++
drivers/dma/stm32/Makefile | 4 +++
drivers/dma/{ => stm32}/stm32-dma.c | 2 +-
drivers/dma/{ => stm32}/stm32-dmamux.c | 0
drivers/dma/{ => stm32}/stm32-mdma.c | 2 +-
7 files changed, 46 insertions(+), 37 deletions(-)
create mode 100644 drivers/dma/stm32/Kconfig
create mode 100644 drivers/dma/stm32/Makefile
rename drivers/dma/{ => stm32}/stm32-dma.c (99%)
rename drivers/dma/{ => stm32}/stm32-dmamux.c (100%)
rename drivers/dma/{ => stm32}/stm32-mdma.c (99%)
diff --git a/drivers/dma/Kconfig b/drivers/dma/Kconfig
index 002a5ec80620..32b4256ef874 100644
--- a/drivers/dma/Kconfig
+++ b/drivers/dma/Kconfig
@@ -568,38 +568,6 @@ config ST_FDMA
Say Y here if you have such a chipset.
If unsure, say N.
-config STM32_DMA
- bool "STMicroelectronics STM32 DMA support"
- depends on ARCH_STM32 || COMPILE_TEST
- select DMA_ENGINE
- select DMA_VIRTUAL_CHANNELS
- help
- Enable support for the on-chip DMA controller on STMicroelectronics
- STM32 MCUs.
- If you have a board based on such a MCU and wish to use DMA say Y
- here.
-
-config STM32_DMAMUX
- bool "STMicroelectronics STM32 dma multiplexer support"
- depends on STM32_DMA || COMPILE_TEST
- help
- Enable support for the on-chip DMA multiplexer on STMicroelectronics
- STM32 MCUs.
- If you have a board based on such a MCU and wish to use DMAMUX say Y
- here.
-
-config STM32_MDMA
- bool "STMicroelectronics STM32 master dma support"
- depends on ARCH_STM32 || COMPILE_TEST
- depends on OF
- select DMA_ENGINE
- select DMA_VIRTUAL_CHANNELS
- help
- Enable support for the on-chip MDMA controller on STMicroelectronics
- STM32 platforms.
- If you have a board based on STM32 SoC and wish to use the master DMA
- say Y here.
-
config SPRD_DMA
tristate "Spreadtrum DMA support"
depends on ARCH_SPRD || COMPILE_TEST
@@ -772,6 +740,8 @@ source "drivers/dma/fsl-dpaa2-qdma/Kconfig"
source "drivers/dma/lgm/Kconfig"
+source "drivers/dma/stm32/Kconfig"
+
# clients
comment "DMA Clients"
depends on DMA_ENGINE
diff --git a/drivers/dma/Makefile b/drivers/dma/Makefile
index 802ca916f05f..374ea98faf43 100644
--- a/drivers/dma/Makefile
+++ b/drivers/dma/Makefile
@@ -70,9 +70,6 @@ obj-$(CONFIG_PXA_DMA) += pxa_dma.o
obj-$(CONFIG_RENESAS_DMA) += sh/
obj-$(CONFIG_SF_PDMA) += sf-pdma/
obj-$(CONFIG_STE_DMA40) += ste_dma40.o ste_dma40_ll.o
-obj-$(CONFIG_STM32_DMA) += stm32-dma.o
-obj-$(CONFIG_STM32_DMAMUX) += stm32-dmamux.o
-obj-$(CONFIG_STM32_MDMA) += stm32-mdma.o
obj-$(CONFIG_SPRD_DMA) += sprd-dma.o
obj-$(CONFIG_TXX9_DMAC) += txx9dmac.o
obj-$(CONFIG_TEGRA186_GPC_DMA) += tegra186-gpc-dma.o
@@ -88,5 +85,6 @@ obj-$(CONFIG_INTEL_LDMA) += lgm/
obj-y += mediatek/
obj-y += qcom/
+obj-y += stm32/
obj-y += ti/
obj-y += xilinx/
diff --git a/drivers/dma/stm32/Kconfig b/drivers/dma/stm32/Kconfig
new file mode 100644
index 000000000000..b72ae1a4502f
--- /dev/null
+++ b/drivers/dma/stm32/Kconfig
@@ -0,0 +1,37 @@
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# STM32 DMA controllers drivers
+#
+if ARCH_STM32 || COMPILE_TEST
+
+config STM32_DMA
+ bool "STMicroelectronics STM32 DMA support"
+ select DMA_ENGINE
+ select DMA_VIRTUAL_CHANNELS
+ help
+ Enable support for the on-chip DMA controller on STMicroelectronics
+ STM32 platforms.
+ If you have a board based on STM32 SoC with such DMA controller
+ and want to use DMA say Y here.
+
+config STM32_DMAMUX
+ bool "STMicroelectronics STM32 DMA multiplexer support"
+ depends on STM32_DMA
+ help
+ Enable support for the on-chip DMA multiplexer on STMicroelectronics
+ STM32 platforms.
+ If you have a board based on STM32 SoC with such DMA multiplexer
+ and want to use DMAMUX say Y here.
+
+config STM32_MDMA
+ bool "STMicroelectronics STM32 master DMA support"
+ depends on OF
+ select DMA_ENGINE
+ select DMA_VIRTUAL_CHANNELS
+ help
+ Enable support for the on-chip MDMA controller on STMicroelectronics
+ STM32 platforms.
+ If you have a board based on STM32 SoC with such DMA controller
+ and want to use MDMA say Y here.
+
+endif
diff --git a/drivers/dma/stm32/Makefile b/drivers/dma/stm32/Makefile
new file mode 100644
index 000000000000..663a3896a881
--- /dev/null
+++ b/drivers/dma/stm32/Makefile
@@ -0,0 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0-only
+obj-$(CONFIG_STM32_DMA) += stm32-dma.o
+obj-$(CONFIG_STM32_DMAMUX) += stm32-dmamux.o
+obj-$(CONFIG_STM32_MDMA) += stm32-mdma.o
diff --git a/drivers/dma/stm32-dma.c b/drivers/dma/stm32/stm32-dma.c
similarity index 99%
rename from drivers/dma/stm32-dma.c
rename to drivers/dma/stm32/stm32-dma.c
index 90857d08a1a7..917f8e922373 100644
--- a/drivers/dma/stm32-dma.c
+++ b/drivers/dma/stm32/stm32-dma.c
@@ -28,7 +28,7 @@
#include <linux/sched.h>
#include <linux/slab.h>
-#include "virt-dma.h"
+#include "../virt-dma.h"
#define STM32_DMA_LISR 0x0000 /* DMA Low Int Status Reg */
#define STM32_DMA_HISR 0x0004 /* DMA High Int Status Reg */
diff --git a/drivers/dma/stm32-dmamux.c b/drivers/dma/stm32/stm32-dmamux.c
similarity index 100%
rename from drivers/dma/stm32-dmamux.c
rename to drivers/dma/stm32/stm32-dmamux.c
diff --git a/drivers/dma/stm32-mdma.c b/drivers/dma/stm32/stm32-mdma.c
similarity index 99%
rename from drivers/dma/stm32-mdma.c
rename to drivers/dma/stm32/stm32-mdma.c
index 6505081ced44..e6d525901de7 100644
--- a/drivers/dma/stm32-mdma.c
+++ b/drivers/dma/stm32/stm32-mdma.c
@@ -30,7 +30,7 @@
#include <linux/reset.h>
#include <linux/slab.h>
-#include "virt-dma.h"
+#include "../virt-dma.h"
#define STM32_MDMA_GISR0 0x0000 /* MDMA Int Status Reg 1 */
--
2.25.1
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