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Thu, 28 Nov 2019 05:00:33 -0600 Received: from DLEE105.ent.ti.com (157.170.170.35) by DLEE106.ent.ti.com (157.170.170.36) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3; Thu, 28 Nov 2019 05:00:33 -0600 Received: from lelv0326.itg.ti.com (10.180.67.84) by DLEE105.ent.ti.com (157.170.170.35) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256_P256) id 15.1.1847.3 via Frontend Transport; Thu, 28 Nov 2019 05:00:33 -0600 Received: from feketebors.ti.com (ileax41-snat.itg.ti.com [10.172.224.153]) by lelv0326.itg.ti.com (8.15.2/8.15.2) with ESMTP id xASAxgJS073287; Thu, 28 Nov 2019 05:00:30 -0600 From: Peter Ujfalusi To: , , , Subject: [PATCH v6 14/17] dmaengine: ti: New driver for K3 UDMA - split#6: Kconfig and Makefile Date: Thu, 28 Nov 2019 12:59:42 +0200 Message-ID: <20191128105945.13071-15-peter.ujfalusi@ti.com> X-Mailer: git-send-email 2.24.0 In-Reply-To: <20191128105945.13071-1-peter.ujfalusi@ti.com> References: <20191128105945.13071-1-peter.ujfalusi@ti.com> MIME-Version: 1.0 X-EXCLAIMER-MD-CONFIG: e1e8a2fd-e40a-4ac6-ac9b-f7e9cc9ee180 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20191128_030037_910604_96EDF784 X-CRM114-Status: GOOD ( 11.04 ) X-Spam-Score: -2.5 (--) X-Spam-Report: SpamAssassin version 3.4.2 on bombadil.infradead.org summary: Content analysis details: (-2.5 points) pts rule name description ---- ---------------------- -------------------------------------------------- -2.3 RCVD_IN_DNSWL_MED RBL: Sender listed at https://www.dnswl.org/, medium trust [198.47.19.142 listed in list.dnswl.org] 0.0 SPF_HELO_NONE SPF: HELO does not publish an SPF Record -0.0 SPF_PASS SPF: sender matches SPF record 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature -0.1 DKIM_VALID_EF Message has a valid DKIM or DK signature from envelope-from domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain -0.0 DKIMWL_WL_HIGH DKIMwl.org - Whitelisted High sender X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, grygorii.strashko@ti.com, lokeshvutla@ti.com, j-keerthy@ti.com, linux-kernel@vger.kernel.org, t-kristo@ti.com, tony@atomide.com, dmaengine@vger.kernel.org, dan.j.williams@intel.com, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org Split patch for review containing: Kconfig and Makefile changes DMA driver for Texas Instruments K3 NAVSS Unified DMA – Peripheral Root Complex (UDMA-P) The UDMA-P is intended to perform similar (but significantly upgraded) functions as the packet-oriented DMA used on previous SoC devices. The UDMA-P module supports the transmission and reception of various packet types. The UDMA-P is architected to facilitate the segmentation and reassembly of SoC DMA data structure compliant packets to/from smaller data blocks that are natively compatible with the specific requirements of each connected peripheral. Multiple Tx and Rx channels are provided within the DMA which allow multiple segmentation or reassembly operations to be ongoing. The DMA controller maintains state information for each of the channels which allows packet segmentation and reassembly operations to be time division multiplexed between channels in order to share the underlying DMA hardware. An external DMA scheduler is used to control the ordering and rate at which this multiplexing occurs for Transmit operations. The ordering and rate of Receive operations is indirectly controlled by the order in which blocks are pushed into the DMA on the Rx PSI-L interface. The UDMA-P also supports acting as both a UTC and UDMA-C for its internal channels. Channels in the UDMA-P can be configured to be either Packet-Based or Third-Party channels on a channel by channel basis. The initial driver supports: - MEM_TO_MEM (TR mode) - DEV_TO_MEM (Packet / TR mode) - MEM_TO_DEV (Packet / TR mode) - Cyclic (Packet / TR mode) - Metadata for descriptors Signed-off-by: Peter Ujfalusi --- drivers/dma/ti/Kconfig | 13 +++++++++++++ drivers/dma/ti/Makefile | 1 + 2 files changed, 14 insertions(+) diff --git a/drivers/dma/ti/Kconfig b/drivers/dma/ti/Kconfig index 72f3d2728178..a096f0ec3998 100644 --- a/drivers/dma/ti/Kconfig +++ b/drivers/dma/ti/Kconfig @@ -34,6 +34,19 @@ config DMA_OMAP Enable support for the TI sDMA (System DMA or DMA4) controller. This DMA engine is found on OMAP and DRA7xx parts. +config TI_K3_UDMA + tristate "Texas Instruments UDMA support" + depends on ARCH_K3 || COMPILE_TEST + depends on TI_SCI_PROTOCOL + depends on TI_SCI_INTA_IRQCHIP + select DMA_ENGINE + select DMA_VIRTUAL_CHANNELS + select TI_K3_RINGACC + select TI_K3_PSIL + help + Enable support for the TI UDMA (Unified DMA) controller. This + DMA engine is used in AM65x. + config TI_K3_PSIL bool diff --git a/drivers/dma/ti/Makefile b/drivers/dma/ti/Makefile index f8d912ad7eaf..9d787f009195 100644 --- a/drivers/dma/ti/Makefile +++ b/drivers/dma/ti/Makefile @@ -2,5 +2,6 @@ obj-$(CONFIG_TI_CPPI41) += cppi41.o obj-$(CONFIG_TI_EDMA) += edma.o obj-$(CONFIG_DMA_OMAP) += omap-dma.o +obj-$(CONFIG_TI_K3_UDMA) += k3-udma.o obj-$(CONFIG_TI_K3_PSIL) += k3-psil.o k3-psil-am654.o k3-psil-j721e.o obj-$(CONFIG_TI_DMA_CROSSBAR) += dma-crossbar.o