aboutsummaryrefslogtreecommitdiff
path: root/Bindings/dma
diff options
context:
space:
mode:
authorEmmanuel Vadot <manu@FreeBSD.org>2019-04-10 17:56:06 +0000
committerEmmanuel Vadot <manu@FreeBSD.org>2019-04-10 17:56:06 +0000
commit2131505c51f1ac8ac0a6db71efcda1b4bd61084b (patch)
tree4f250a77fb54e1fe3c583af2f136645afa39a986 /Bindings/dma
parenta31d1ff13cd8d70944a6446c0e2478d7f25b53e7 (diff)
downloadsrc-2131505c51f1ac8ac0a6db71efcda1b4bd61084b.tar.gz
src-2131505c51f1ac8ac0a6db71efcda1b4bd61084b.zip
Import DTS files from Linux 5.0vendor/device-tree/5.0
Notes
Notes: svn path=/vendor/device-tree/dist/; revision=346089 svn path=/vendor/device-tree/5.0/; revision=346090; tag=vendor/device-tree/5.0
Diffstat (limited to 'Bindings/dma')
-rw-r--r--Bindings/dma/8250_mtk_dma.txt33
-rw-r--r--Bindings/dma/renesas,rcar-dmac.txt4
-rw-r--r--Bindings/dma/renesas,usb-dmac.txt3
-rw-r--r--Bindings/dma/snps-dma.txt4
-rw-r--r--Bindings/dma/uniphier-mio-dmac.txt25
5 files changed, 68 insertions, 1 deletions
diff --git a/Bindings/dma/8250_mtk_dma.txt b/Bindings/dma/8250_mtk_dma.txt
new file mode 100644
index 000000000000..3fe0961bcf64
--- /dev/null
+++ b/Bindings/dma/8250_mtk_dma.txt
@@ -0,0 +1,33 @@
+* Mediatek UART APDMA Controller
+
+Required properties:
+- compatible should contain:
+ * "mediatek,mt2712-uart-dma" for MT2712 compatible APDMA
+ * "mediatek,mt6577-uart-dma" for MT6577 and all of the above
+
+- reg: The base address of the APDMA register bank.
+
+- interrupts: A single interrupt specifier.
+
+- clocks : Must contain an entry for each entry in clock-names.
+ See ../clocks/clock-bindings.txt for details.
+- clock-names: The APDMA clock for register accesses
+
+Examples:
+
+ apdma: dma-controller@11000380 {
+ compatible = "mediatek,mt2712-uart-dma";
+ reg = <0 0x11000380 0 0x400>;
+ interrupts = <GIC_SPI 63 IRQ_TYPE_LEVEL_LOW>,
+ <GIC_SPI 64 IRQ_TYPE_LEVEL_LOW>,
+ <GIC_SPI 65 IRQ_TYPE_LEVEL_LOW>,
+ <GIC_SPI 66 IRQ_TYPE_LEVEL_LOW>,
+ <GIC_SPI 67 IRQ_TYPE_LEVEL_LOW>,
+ <GIC_SPI 68 IRQ_TYPE_LEVEL_LOW>,
+ <GIC_SPI 69 IRQ_TYPE_LEVEL_LOW>,
+ <GIC_SPI 70 IRQ_TYPE_LEVEL_LOW>;
+ clocks = <&pericfg CLK_PERI_AP_DMA>;
+ clock-names = "apdma";
+ #dma-cells = <1>;
+ };
+
diff --git a/Bindings/dma/renesas,rcar-dmac.txt b/Bindings/dma/renesas,rcar-dmac.txt
index a5a7c3f5a1e3..5a512c5ea76a 100644
--- a/Bindings/dma/renesas,rcar-dmac.txt
+++ b/Bindings/dma/renesas,rcar-dmac.txt
@@ -1,6 +1,6 @@
* Renesas R-Car (RZ/G) DMA Controller Device Tree bindings
-Renesas R-Car Generation 2 SoCs have multiple multi-channel DMA
+Renesas R-Car (Gen 2/3) and RZ/G SoCs have multiple multi-channel DMA
controller instances named DMAC capable of serving multiple clients. Channels
can be dedicated to specific clients or shared between a large number of
clients.
@@ -20,6 +20,8 @@ Required Properties:
- "renesas,dmac-r8a7744" (RZ/G1N)
- "renesas,dmac-r8a7745" (RZ/G1E)
- "renesas,dmac-r8a77470" (RZ/G1C)
+ - "renesas,dmac-r8a774a1" (RZ/G2M)
+ - "renesas,dmac-r8a774c0" (RZ/G2E)
- "renesas,dmac-r8a7790" (R-Car H2)
- "renesas,dmac-r8a7791" (R-Car M2-W)
- "renesas,dmac-r8a7792" (R-Car V2H)
diff --git a/Bindings/dma/renesas,usb-dmac.txt b/Bindings/dma/renesas,usb-dmac.txt
index 1743017bd948..372f0eeb5a2a 100644
--- a/Bindings/dma/renesas,usb-dmac.txt
+++ b/Bindings/dma/renesas,usb-dmac.txt
@@ -6,6 +6,9 @@ Required Properties:
- "renesas,r8a7743-usb-dmac" (RZ/G1M)
- "renesas,r8a7744-usb-dmac" (RZ/G1N)
- "renesas,r8a7745-usb-dmac" (RZ/G1E)
+ - "renesas,r8a77470-usb-dmac" (RZ/G1C)
+ - "renesas,r8a774a1-usb-dmac" (RZ/G2M)
+ - "renesas,r8a774c0-usb-dmac" (RZ/G2E)
- "renesas,r8a7790-usb-dmac" (R-Car H2)
- "renesas,r8a7791-usb-dmac" (R-Car M2-W)
- "renesas,r8a7793-usb-dmac" (R-Car M2-N)
diff --git a/Bindings/dma/snps-dma.txt b/Bindings/dma/snps-dma.txt
index 39e2b26be344..db757df7057d 100644
--- a/Bindings/dma/snps-dma.txt
+++ b/Bindings/dma/snps-dma.txt
@@ -27,6 +27,10 @@ Optional properties:
general purpose DMA channel allocator. False if not passed.
- multi-block: Multi block transfers supported by hardware. Array property with
one cell per channel. 0: not supported, 1 (default): supported.
+- snps,dma-protection-control: AHB HPROT[3:1] protection setting.
+ The default value is 0 (for non-cacheable, non-buffered,
+ unprivileged data access).
+ Refer to include/dt-bindings/dma/dw-dmac.h for possible values.
Example:
diff --git a/Bindings/dma/uniphier-mio-dmac.txt b/Bindings/dma/uniphier-mio-dmac.txt
new file mode 100644
index 000000000000..b12388dc7eac
--- /dev/null
+++ b/Bindings/dma/uniphier-mio-dmac.txt
@@ -0,0 +1,25 @@
+UniPhier Media IO DMA controller
+
+This works as an external DMA engine for SD/eMMC controllers etc.
+found in UniPhier LD4, Pro4, sLD8 SoCs.
+
+Required properties:
+- compatible: should be "socionext,uniphier-mio-dmac".
+- reg: offset and length of the register set for the device.
+- interrupts: a list of interrupt specifiers associated with the DMA channels.
+- clocks: a single clock specifier.
+- #dma-cells: should be <1>. The single cell represents the channel index.
+
+Example:
+ dmac: dma-controller@5a000000 {
+ compatible = "socionext,uniphier-mio-dmac";
+ reg = <0x5a000000 0x1000>;
+ interrupts = <0 68 4>, <0 68 4>, <0 69 4>, <0 70 4>,
+ <0 71 4>, <0 72 4>, <0 73 4>, <0 74 4>;
+ clocks = <&mio_clk 7>;
+ #dma-cells = <1>;
+ };
+
+Note:
+In the example above, "interrupts = <0 68 4>, <0 68 4>, ..." is not a typo.
+The first two channels share a single interrupt line.