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authorLinus Torvalds <torvalds@linux-foundation.org>2017-09-11 06:54:48 +0300
committerLinus Torvalds <torvalds@linux-foundation.org>2017-09-11 06:54:48 +0300
commite90937e756938f03d37d4cae7c82316a3a425944 (patch)
tree0667f5ac6ad368278e9658ba483c79d1a60a65cd /Documentation/devicetree/bindings/dma/ti-edma.txt
parentae46654bcff303b33facbbd04a3ad9c21d303f9b (diff)
parentb884026a2b80529fc7a4de729b92ee0ba555bfed (diff)
downloadlinux-e90937e756938f03d37d4cae7c82316a3a425944.tar.xz
Merge tag 'armsoc-devicetree' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM/arm64 Devicetree updates from Olof Johansson: "As usual, device tree updates is the bulk of our material in this merge window. This time around, 559 patches affecting both 32- and 64-bit platforms. Changes are too many to list individually, but some of the larger ones: New platform/SoC support: - Automotive: + Renesas R-Car D3 (R8A77995) + TI DT76x + MediaTek mt2712e - Communication-oriented: + Qualcomm IPQ8074 + Broadcom Stingray + Marvell Armada 8080 - Set top box: + Uniphier PXs3 Besides some vendor reference boards for the SoC above, there are also several new boards/machines: - TI AM335x Moxa UC-8100-ME-T open platform - TI AM57xx Beaglebone X15 Rev C - Microchip/Atmel sama5d27 SoM1 EK - Broadcom Raspberry Pi Zero W - Gemini-based D-Link DIR-685 router - Freescale i.MX6: + Toradex Apalis module + Apalis and Ixora carrier boards + Engicam GEAM6UL Starter Kit - Freescale i.MX53-based Beckhoff CX9020 Embedded PC - Mediatek mt7623-based BananaPi R2 - Several Allwinner-based single-board computers: + Cubietruck plus + Bananapi M3, M2M and M64 + NanoPi A64 + A64-OLinuXino + Pine64 - Rockchip RK3328 Pine64/Rock64 board support - Rockchip RK3399 boards: + RK3399 Sapphire module on Excavator carrier (RK3399 reference design) + Theobroma Systems RK3399-Q7 SoM - ZTE ZX296718 PCBOX Board" * tag 'armsoc-devicetree' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (559 commits) ARM: dts: at91: at91sam9g45: add AC97 arm64: dts: marvell: mcbin: enable more networking ports arm64: dts: marvell: add a reference to the sysctrl syscon in the ppv2 node arm64: dts: marvell: add TX interrupts for PPv2.2 arm64: dts: uniphier: add PXs3 SoC support ARM: dts: uniphier: add pinctrl groups of ethernet phy mode ARM: dts: uniphier: fix size of sdctrl nodes ARM: dts: uniphier: add AIDET nodes arm64: dts: uniphier: fix size of sdctrl node arm64: dts: uniphier: add AIDET nodes Revert "ARM: dts: sun8i: h3: Enable dwmac-sun8i on the Beelink X2" arm64: dts: uniphier: add reset controller node of analog amplifier arm64: dts: marvell: add Device Tree files for Armada-8KP arm64: dts: rockchip: add Haikou baseboard with RK3399-Q7 SoM arm64: dts: rockchip: add RK3399-Q7 (Puma) SoM dt-bindings: add rk3399-q7 SoM ARM: dts: rockchip: enable usb for rv1108-evb ARM: dts: rockchip: add usb nodes for rv1108 SoCs dt-bindings: update grf-binding for rv1108 SoCs ARM: dts: aspeed-g4: fix AHB window size of the SMC controllers ...
Diffstat (limited to 'Documentation/devicetree/bindings/dma/ti-edma.txt')
-rw-r--r--Documentation/devicetree/bindings/dma/ti-edma.txt95
1 files changed, 90 insertions, 5 deletions
diff --git a/Documentation/devicetree/bindings/dma/ti-edma.txt b/Documentation/devicetree/bindings/dma/ti-edma.txt
index 33d9e386dc45..41f0c1a07c56 100644
--- a/Documentation/devicetree/bindings/dma/ti-edma.txt
+++ b/Documentation/devicetree/bindings/dma/ti-edma.txt
@@ -9,7 +9,12 @@ execute the actual DMA tansfer.
eDMA3 Channel Controller
Required properties:
-- compatible: "ti,edma3-tpcc" for the channel controller(s)
+--------------------
+- compatible: Should be:
+ - "ti,edma3-tpcc" for the channel controller(s) on OMAP,
+ AM33xx and AM43xx SoCs.
+ - "ti,k2g-edma3-tpcc", "ti,edma3-tpcc" for the
+ channel controller(s) on 66AK2G.
- #dma-cells: Should be set to <2>. The first number is the DMA request
number and the second is the TC the channel is serviced on.
- reg: Memory map of eDMA CC
@@ -19,8 +24,19 @@ Required properties:
- ti,tptcs: List of TPTCs associated with the eDMA in the following form:
<&tptc_phandle TC_priority_number>. The highest priority is 0.
+SoC-specific Required properties:
+--------------------------------
+The following are mandatory properties for OMAP, AM33xx and AM43xx SoCs only:
+- ti,hwmods: Name of the hwmods associated to the eDMA CC.
+
+The following are mandatory properties for 66AK2G SoCs only:
+- power-domains:Should contain a phandle to a PM domain provider node
+ and an args specifier containing the device id
+ value. This property is as per the binding,
+ Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt
+
Optional properties:
-- ti,hwmods: Name of the hwmods associated to the eDMA CC
+-------------------
- ti,edma-memcpy-channels: List of channels allocated to be used for memcpy, iow
these channels will be SW triggered channels. See example.
- ti,edma-reserved-slot-ranges: PaRAM slot ranges which should not be used by
@@ -31,17 +47,34 @@ Optional properties:
eDMA3 Transfer Controller
Required properties:
-- compatible: "ti,edma3-tptc" for the transfer controller(s)
+--------------------
+- compatible: Should be:
+ - "ti,edma3-tptc" for the transfer controller(s) on OMAP,
+ AM33xx and AM43xx SoCs.
+ - "ti,k2g-edma3-tptc", "ti,edma3-tptc" for the
+ transfer controller(s) on 66AK2G.
- reg: Memory map of eDMA TC
- interrupts: Interrupt number for TCerrint.
+SoC-specific Required properties:
+--------------------------------
+The following are mandatory properties for OMAP, AM33xx and AM43xx SoCs only:
+- ti,hwmods: Name of the hwmods associated to the eDMA TC.
+
+The following are mandatory properties for 66AK2G SoCs only:
+- power-domains:Should contain a phandle to a PM domain provider node
+ and an args specifier containing the device id
+ value. This property is as per the binding,
+ Documentation/devicetree/bindings/soc/ti/sci-pm-domain.txt
+
Optional properties:
-- ti,hwmods: Name of the hwmods associated to the given eDMA TC
+-------------------
- interrupt-names: "edma3_tcerrint"
------------------------------------------------------------------------------
-Example:
+Examples:
+1.
edma: edma@49000000 {
compatible = "ti,edma3-tpcc";
ti,hwmods = "tpcc";
@@ -108,6 +141,58 @@ mcasp0: mcasp@48038000 {
dma-names = "tx", "rx";
};
+2.
+edma1: edma@02728000 {
+ compatible = "ti,k2g-edma3-tpcc", "ti,edma3-tpcc";
+ reg = <0x02728000 0x8000>;
+ reg-names = "edma3_cc";
+ interrupts = <GIC_SPI 208 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 219 IRQ_TYPE_EDGE_RISING>,
+ <GIC_SPI 220 IRQ_TYPE_EDGE_RISING>;
+ interrupt-names = "edma3_ccint", "emda3_mperr",
+ "edma3_ccerrint";
+ dma-requests = <64>;
+ #dma-cells = <2>;
+
+ ti,tptcs = <&edma1_tptc0 7>, <&edma1_tptc1 0>;
+
+ /*
+ * memcpy is disabled, can be enabled with:
+ * ti,edma-memcpy-channels = <12 13 14 15>;
+ * for example.
+ */
+
+ power-domains = <&k2g_pds 0x4f>;
+};
+
+edma1_tptc0: tptc@027b0000 {
+ compatible = "ti,k2g-edma3-tptc", "ti,edma3-tptc";
+ reg = <0x027b0000 0x400>;
+ power-domains = <&k2g_pds 0x4f>;
+};
+
+edma1_tptc1: tptc@027b8000 {
+ compatible = "ti, k2g-edma3-tptc", "ti,edma3-tptc";
+ reg = <0x027b8000 0x400>;
+ power-domains = <&k2g_pds 0x4f>;
+};
+
+mmc0: mmc@23000000 {
+ compatible = "ti,k2g-hsmmc", "ti,omap4-hsmmc";
+ reg = <0x23000000 0x400>;
+ interrupts = <GIC_SPI 96 IRQ_TYPE_EDGE_RISING>;
+ dmas = <&edma1 24 0>, <&edma1 25 0>;
+ dma-names = "tx", "rx";
+ bus-width = <4>;
+ ti,needs-special-reset;
+ no-1-8-v;
+ max-frequency = <96000000>;
+ power-domains = <&k2g_pds 0xb>;
+ clocks = <&k2g_clks 0xb 1>, <&k2g_clks 0xb 2>;
+ clock-names = "fck", "mmchsdb_fck";
+ status = "disabled";
+};
+
------------------------------------------------------------------------------
DEPRECATED binding, new DTS files must use the ti,edma3-tpcc/ti,edma3-tptc
binding.