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From: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
To: Ulf Hansson <ulf.hansson@linaro.org>,
	Paul Cercueil <paul@crapouillou.net>
Cc: linux-mmc@vger.kernel.org, linux-mips@linux-mips.org,
	James Hogan <jhogan@kernel.org>,
	Ezequiel Garcia <ezequiel@collabora.co.uk>
Subject: [PATCH v2 11/14] MIPS: dts: jz4780: Add DMA controller node to the devicetree
Date: Mon, 12 Mar 2018 18:55:51 -0300	[thread overview]
Message-ID: <20180312215554.20770-12-ezequiel@vanguardiasur.com.ar> (raw)
In-Reply-To: <20180312215554.20770-1-ezequiel@vanguardiasur.com.ar>

From: Ezequiel Garcia <ezequiel@collabora.co.uk>

Add the devicetree node to support the DMA controller found
in JZ480 SoCs.

Tested-by: Mathieu Malaterre <malat@debian.org>
Signed-off-by: Ezequiel Garcia <ezequiel@collabora.co.uk>
---
 arch/mips/boot/dts/ingenic/jz4780.dtsi | 12 +++++++++
 include/dt-bindings/dma/jz4780-dma.h   | 49 ++++++++++++++++++++++++++++++++++
 2 files changed, 61 insertions(+)
 create mode 100644 include/dt-bindings/dma/jz4780-dma.h

diff --git a/arch/mips/boot/dts/ingenic/jz4780.dtsi b/arch/mips/boot/dts/ingenic/jz4780.dtsi
index 9b5794667aee..15a9801430bd 100644
--- a/arch/mips/boot/dts/ingenic/jz4780.dtsi
+++ b/arch/mips/boot/dts/ingenic/jz4780.dtsi
@@ -1,5 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0
 #include <dt-bindings/clock/jz4780-cgu.h>
+#include <dt-bindings/dma/jz4780-dma.h>
 
 / {
 	#address-cells = <1>;
@@ -241,6 +242,17 @@
 		status = "disabled";
 	};
 
+	dma: dma@13420000 {
+		compatible = "ingenic,jz4780-dma";
+		reg = <0x13420000 0x10000>;
+		#dma-cells = <2>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <10>;
+
+		clocks = <&cgu JZ4780_CLK_PDMA>;
+	};
+
 	bch: bch@134d0000 {
 		compatible = "ingenic,jz4780-bch";
 		reg = <0x134d0000 0x10000>;
diff --git a/include/dt-bindings/dma/jz4780-dma.h b/include/dt-bindings/dma/jz4780-dma.h
new file mode 100644
index 000000000000..df017fdfb44e
--- /dev/null
+++ b/include/dt-bindings/dma/jz4780-dma.h
@@ -0,0 +1,49 @@
+#ifndef __DT_BINDINGS_DMA_JZ4780_DMA_H__
+#define __DT_BINDINGS_DMA_JZ4780_DMA_H__
+
+/*
+ * Request type numbers for the JZ4780 DMA controller (written to the DRTn
+ * register for the channel).
+ */
+#define JZ4780_DMA_I2S1_TX	0x4
+#define JZ4780_DMA_I2S1_RX	0x5
+#define JZ4780_DMA_I2S0_TX	0x6
+#define JZ4780_DMA_I2S0_RX	0x7
+#define JZ4780_DMA_AUTO		0x8
+#define JZ4780_DMA_SADC_RX	0x9
+#define JZ4780_DMA_UART4_TX	0xc
+#define JZ4780_DMA_UART4_RX	0xd
+#define JZ4780_DMA_UART3_TX	0xe
+#define JZ4780_DMA_UART3_RX	0xf
+#define JZ4780_DMA_UART2_TX	0x10
+#define JZ4780_DMA_UART2_RX	0x11
+#define JZ4780_DMA_UART1_TX	0x12
+#define JZ4780_DMA_UART1_RX	0x13
+#define JZ4780_DMA_UART0_TX	0x14
+#define JZ4780_DMA_UART0_RX	0x15
+#define JZ4780_DMA_SSI0_TX	0x16
+#define JZ4780_DMA_SSI0_RX	0x17
+#define JZ4780_DMA_SSI1_TX	0x18
+#define JZ4780_DMA_SSI1_RX	0x19
+#define JZ4780_DMA_MSC0_TX	0x1a
+#define JZ4780_DMA_MSC0_RX	0x1b
+#define JZ4780_DMA_MSC1_TX	0x1c
+#define JZ4780_DMA_MSC1_RX	0x1d
+#define JZ4780_DMA_MSC2_TX	0x1e
+#define JZ4780_DMA_MSC2_RX	0x1f
+#define JZ4780_DMA_PCM0_TX	0x20
+#define JZ4780_DMA_PCM0_RX	0x21
+#define JZ4780_DMA_SMB0_TX	0x24
+#define JZ4780_DMA_SMB0_RX	0x25
+#define JZ4780_DMA_SMB1_TX	0x26
+#define JZ4780_DMA_SMB1_RX	0x27
+#define JZ4780_DMA_SMB2_TX	0x28
+#define JZ4780_DMA_SMB2_RX	0x29
+#define JZ4780_DMA_SMB3_TX	0x2a
+#define JZ4780_DMA_SMB3_RX	0x2b
+#define JZ4780_DMA_SMB4_TX	0x2c
+#define JZ4780_DMA_SMB4_RX	0x2d
+#define JZ4780_DMA_DES_TX	0x2e
+#define JZ4780_DMA_DES_RX	0x2f
+
+#endif /* __DT_BINDINGS_DMA_JZ4780_DMA_H__ */
-- 
2.16.2

  parent reply	other threads:[~2018-03-12 22:02 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-12 21:55 [PATCH v2 00/14] Enable SD/MMC on JZ4780 SoCs Ezequiel Garcia
2018-03-12 21:55 ` [PATCH v2 01/14] mmc: jz4740: Fix race condition in IRQ mask update Ezequiel Garcia
2018-03-12 21:55 ` [PATCH v2 02/14] mmc: jz4740: Fix error exit path in driver's probe Ezequiel Garcia
2018-03-12 21:55 ` [PATCH v2 03/14] mmc: jz4780: Order headers alphabetically Ezequiel Garcia
2018-03-12 21:55 ` [PATCH v2 04/14] mmc: jz4740: Use dev_get_platdata Ezequiel Garcia
2018-03-12 21:55 ` [PATCH v2 05/14] mmc: jz4740: Reset the device requesting the interrupt Ezequiel Garcia
2018-03-12 21:55 ` [PATCH v2 06/14] mmc: jz4740: Introduce devicetree probe Ezequiel Garcia
2018-03-12 21:55 ` [PATCH v2 07/14] mmc: dt-bindings: add MMC support to JZ4740 SoC Ezequiel Garcia
2018-03-18 12:49   ` Rob Herring
2018-03-12 21:55 ` [PATCH v2 08/14] mmc: jz4740: Set clock rate to mmc->f_max rather than JZ_MMC_CLK_RATE Ezequiel Garcia
2018-03-12 21:55 ` [PATCH v2 09/14] mmc: jz4740: Add support for the JZ4780 Ezequiel Garcia
2018-03-12 21:55 ` [PATCH v2 10/14] mmc: jz4740: Use dma_request_chan() Ezequiel Garcia
2018-03-15 20:59   ` Paul Cercueil
2018-03-15 21:12     ` Ezequiel Garcia
2018-03-15 22:33       ` Paul Cercueil
2018-03-12 21:55 ` Ezequiel Garcia [this message]
2018-03-12 22:31   ` [PATCH v2 11/14] MIPS: dts: jz4780: Add DMA controller node to the devicetree James Hogan
2018-03-15  9:46     ` Ulf Hansson
2018-03-12 21:55 ` [PATCH v2 12/14] MIPS: dts: jz4780: Add MMC " Ezequiel Garcia
2018-03-12 21:55 ` [PATCH v2 13/14] MIPS: dts: ci20: Enable MMC in " Ezequiel Garcia
2018-03-12 21:55 ` [PATCH v2 14/14] MIPS: configs: ci20: Enable DMA and MMC support Ezequiel Garcia

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