From: Baolin Wang <baolin.wang@linaro.org>
To: broonie@kernel.org, robh+dt@kernel.org, mark.rutland@arm.com
Cc: orsonzhai@gmail.com, zhang.lyra@gmail.com,
lanqing.liu@unisoc.com, baolin.wang@linaro.org,
linux-spi@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH v2 2/3] dt-bindings: spi: Add the DMA properties for the SPI dma mode
Date: Wed, 13 Feb 2019 15:36:10 +0800 [thread overview]
Message-ID: <2be9d6de92507e5886433fb2cd55117c63b63d72.1550043082.git.baolin.wang@linaro.org> (raw)
In-Reply-To: <11e55b5f9b0d83649a5b81c7e3fdb667cd3ddc5b.1550043082.git.baolin.wang@linaro.org>
In-Reply-To: <11e55b5f9b0d83649a5b81c7e3fdb667cd3ddc5b.1550043082.git.baolin.wang@linaro.org>
From: Lanqing Liu <lanqing.liu@unisoc.com>
Add the DMA properties for the SPI dma mode.
Signed-off-by: Lanqing Liu <lanqing.liu@unisoc.com>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
---
Changes from v1:
- Remove sprd,dma-slave-ids property.
---
Documentation/devicetree/bindings/spi/spi-sprd.txt | 7 +++++++
1 file changed, 7 insertions(+)
diff --git a/Documentation/devicetree/bindings/spi/spi-sprd.txt b/Documentation/devicetree/bindings/spi/spi-sprd.txt
index bad211a..3c7eacc 100644
--- a/Documentation/devicetree/bindings/spi/spi-sprd.txt
+++ b/Documentation/devicetree/bindings/spi/spi-sprd.txt
@@ -14,6 +14,11 @@ Required properties:
address on the SPI bus. Should be set to 1.
- #size-cells: Should be set to 0.
+Optional properties:
+dma-names: Should contain names of the SPI used DMA channel.
+dmas: Should contain DMA channels and DMA slave ids which the SPI used
+ sorted in the same order as the dma-names property.
+
Example:
spi0: spi@70a00000{
compatible = "sprd,sc9860-spi";
@@ -21,6 +26,8 @@ spi0: spi@70a00000{
interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>;
clock-names = "spi", "source","enable";
clocks = <&clk_spi0>, <&ext_26m>, <&clk_ap_apb_gates 5>;
+ dma-names = "rx_chn", "tx_chn";
+ dmas = <&apdma 11 11>, <&apdma 12 12>;
#address-cells = <1>;
#size-cells = <0>;
};
--
1.7.9.5
next prev parent reply other threads:[~2019-02-13 7:36 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-02-13 7:36 [PATCH v2 1/3] spi: sprd: Add the SPI irq function for the SPI DMA mode Baolin Wang
2019-02-13 7:36 ` Baolin Wang [this message]
2019-02-13 12:31 ` Applied "dt-bindings: spi: Add the DMA properties for the SPI dma mode" to the spi tree Mark Brown
2019-02-18 14:02 ` [PATCH v2 2/3] dt-bindings: spi: Add the DMA properties for the SPI dma mode Rob Herring
2019-02-19 4:37 ` Baolin Wang
2019-02-13 7:36 ` [PATCH v2 3/3] spi: sprd: spi: sprd: Add DMA mode support Baolin Wang
2019-02-13 12:20 ` Mark Brown
2019-02-13 12:35 ` Baolin Wang
2019-02-13 12:31 ` Applied "spi: sprd: spi: sprd: Add DMA mode support" to the spi tree Mark Brown
2019-02-13 12:31 ` Applied "spi: sprd: Add the SPI irq function for the SPI DMA mode" " Mark Brown
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