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From: Lokesh Vutla <lokeshvutla@ti.com>
To: Santosh Shilimkar <ssantosh@kernel.org>
Cc: Linux ARM Mailing List <linux-arm-kernel@lists.infradead.org>,
	<linux-kernel@vger.kernel.org>,
	Device Tree Mailing List <devicetree@vger.kernel.org>,
	Rob Herring <robh+dt@kernel.org>, Tero Kristo <t-kristo@ti.com>,
	Sekhar Nori <nsekhar@ti.com>,
	Peter Ujfalusi <peter.ujfalusi@ti.com>,
	Keerthy <j-keerthy@ti.com>, Lokesh Vutla <lokeshvutla@ti.com>
Subject: [PATCH 1/6] dt-bindings: ti,edma: Add 66AK2G specific information
Date: Tue, 1 Aug 2017 10:11:14 +0530	[thread overview]
Message-ID: <20170801044119.16201-2-lokeshvutla@ti.com> (raw)
In-Reply-To: <20170801044119.16201-1-lokeshvutla@ti.com>

Update ti,edma binding documentation to reflect 66AK2G specific
properties.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
---
 Documentation/devicetree/bindings/dma/ti-edma.txt | 95 +++++++++++++++++++++--
 1 file changed, 90 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/dma/ti-edma.txt b/Documentation/devicetree/bindings/dma/ti-edma.txt
index 18090e7226b4..05fe2931d025 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";
@@ -109,6 +142,58 @@ 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.
-- 
2.13.0

  reply	other threads:[~2017-08-01  4:45 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-08-01  4:41 [PATCH 0/6] ARM: dts: keystone-k2g: Add support for eDMA and MMC Lokesh Vutla
2017-08-01  4:41 ` Lokesh Vutla [this message]
2017-08-01 12:50   ` [PATCH 1/6] dt-bindings: ti,edma: Add 66AK2G specific information Peter Ujfalusi
2017-08-02 17:03     ` Lokesh Vutla
2017-08-03  5:34       ` Sekhar Nori
2017-08-09 23:57         ` Rob Herring
2017-08-10  0:00   ` Rob Herring
2017-08-12  5:43     ` Lokesh Vutla
2017-08-01  4:41 ` [PATCH 2/6] dt-bindings: ti,omap-hsmmc: Add 66AK2G mmc controller Lokesh Vutla
2017-08-10  0:03   ` Rob Herring
2017-08-01  4:41 ` [PATCH 3/6] ARM: dts: keystone-k2g: Add eDMA nodes Lokesh Vutla
2017-08-01  4:41 ` [PATCH 4/6] ARM: dts: keystone-k2g: add MMC0 and MMC1 nodes Lokesh Vutla
2017-08-01  4:41 ` [PATCH 5/6] ARM: dts: keystone-k2g-evm: Enable MMC0 and MMC1 Lokesh Vutla
2017-08-01  4:41 ` [PATCH 6/6] ARM: configs: keystone: Enable MMC and regulators Lokesh Vutla
2017-08-01 18:10 ` [PATCH 0/6] ARM: dts: keystone-k2g: Add support for eDMA and MMC Santosh Shilimkar
2017-08-02  3:52   ` Keerthy
2017-08-07 13:38   ` santosh.shilimkar

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