From: Ezequiel Garcia <ezequiel@collabora.com>
To: Mathieu Malaterre <malat@debian.org>,
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>,
kernel@collabora.com, Ezequiel Garcia <ezequiel@collabora.co.uk>
Subject: [PATCH v4 11/15] MIPS: dts: jz4780: Add DMA controller node to the devicetree
Date: Wed, 28 Mar 2018 18:00:53 -0300 [thread overview]
Message-ID: <20180328210057.31148-12-ezequiel@collabora.com> (raw)
In-Reply-To: <20180328210057.31148-1-ezequiel@collabora.com>
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>
Acked-by: James Hogan <jhogan@kernel.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
next prev parent reply other threads:[~2018-03-28 21:05 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-28 21:00 [PATCH v4 00/14] Enable SD/MMC on JZ4780 SoCs Ezequiel Garcia
2018-03-28 21:00 ` [PATCH v4 01/15] mmc: jz4740: Fix race condition in IRQ mask update Ezequiel Garcia
2018-03-28 21:00 ` [PATCH v4 02/15] mmc: jz4740: Fix error exit path in driver's probe Ezequiel Garcia
2018-03-28 21:00 ` [PATCH v4 03/15] mmc: jz4780: Order headers alphabetically Ezequiel Garcia
2018-03-28 21:00 ` [PATCH v4 04/15] mmc: jz4740: Use dev_get_platdata Ezequiel Garcia
2018-03-28 21:00 ` [PATCH v4 05/15] mmc: jz4740: Reset the device requesting the interrupt Ezequiel Garcia
2018-03-28 21:00 ` [PATCH v4 06/15] mmc: jz4740: Introduce devicetree probe Ezequiel Garcia
2018-03-28 21:00 ` [PATCH v4 07/15] mmc: dt-bindings: add MMC support to JZ4740 SoC Ezequiel Garcia
2018-03-28 21:00 ` [PATCH v4 08/15] mmc: jz4740: Set clock rate to mmc->f_max rather than JZ_MMC_CLK_RATE Ezequiel Garcia
2018-03-28 21:00 ` [PATCH v4 09/15] mmc: jz4740: Add support for the JZ4780 Ezequiel Garcia
2018-03-28 21:00 ` [PATCH v4 10/15] mmc: jz4740: Use dma_request_chan() Ezequiel Garcia
2018-03-28 21:00 ` Ezequiel Garcia [this message]
2018-03-28 21:00 ` [PATCH v4 12/15] MIPS: dts: jz4780: Add MMC controller node to the devicetree Ezequiel Garcia
2018-03-28 21:00 ` [PATCH v4 13/15] MIPS: dts: ci20: Enable MMC in " Ezequiel Garcia
2018-03-28 21:00 ` [PATCH v4 14/15] MIPS: configs: ci20: Enable DMA and MMC support Ezequiel Garcia
2018-03-28 21:00 ` [PATCH v4 15/15] MIPS: configs: ci20: Enable ext4 Ezequiel Garcia
2018-04-04 13:10 ` James Hogan
2018-04-11 14:58 ` Ulf Hansson
2018-04-04 12:46 ` [PATCH v4 00/14] Enable SD/MMC on JZ4780 SoCs Ulf Hansson
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