From: ykaneko0929@gmail.com (Yoshihiro Kaneko)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH/RFT] arm64: dts: renesas: r8a77990: Enable I2C DMA
Date: Sun, 21 Oct 2018 06:35:26 +0900 [thread overview]
Message-ID: <1540071326-27428-1-git-send-email-ykaneko0929@gmail.com> (raw)
From: Takeshi Kihara <takeshi.kihara.df@renesas.com>
This patch enables I2C DMA.
NOTE: I2C7 DMA is not supported by R-Car Gen3 Hardware User's Manual
Rev.0.80E.
Signed-off-by: Takeshi Kihara <takeshi.kihara.df@renesas.com>
Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com>
---
This patch is based on the devel branch of Simon Horman's renesas tree.
arch/arm64/boot/dts/renesas/r8a77990.dtsi | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/arch/arm64/boot/dts/renesas/r8a77990.dtsi b/arch/arm64/boot/dts/renesas/r8a77990.dtsi
index a437862..9df0751 100644
--- a/arch/arm64/boot/dts/renesas/r8a77990.dtsi
+++ b/arch/arm64/boot/dts/renesas/r8a77990.dtsi
@@ -213,6 +213,9 @@
clocks = <&cpg CPG_MOD 931>;
power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
resets = <&cpg 931>;
+ dmas = <&dmac1 0x91>, <&dmac1 0x90>,
+ <&dmac2 0x91>, <&dmac2 0x90>;
+ dma-names = "tx", "rx", "tx", "rx";
i2c-scl-internal-delay-ns = <110>;
status = "disabled";
};
@@ -227,6 +230,9 @@
clocks = <&cpg CPG_MOD 930>;
power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
resets = <&cpg 930>;
+ dmas = <&dmac1 0x93>, <&dmac1 0x92>,
+ <&dmac2 0x93>, <&dmac2 0x92>;
+ dma-names = "tx", "rx", "tx", "rx";
i2c-scl-internal-delay-ns = <6>;
status = "disabled";
};
@@ -241,6 +247,9 @@
clocks = <&cpg CPG_MOD 929>;
power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
resets = <&cpg 929>;
+ dmas = <&dmac1 0x95>, <&dmac1 0x94>,
+ <&dmac2 0x95>, <&dmac2 0x94>;
+ dma-names = "tx", "rx", "tx", "rx";
i2c-scl-internal-delay-ns = <6>;
status = "disabled";
};
@@ -255,6 +264,8 @@
clocks = <&cpg CPG_MOD 928>;
power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
resets = <&cpg 928>;
+ dmas = <&dmac0 0x97>, <&dmac0 0x96>;
+ dma-names = "tx", "rx";
i2c-scl-internal-delay-ns = <110>;
status = "disabled";
};
@@ -269,6 +280,8 @@
clocks = <&cpg CPG_MOD 927>;
power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
resets = <&cpg 927>;
+ dmas = <&dmac0 0x99>, <&dmac0 0x98>;
+ dma-names = "tx", "rx";
i2c-scl-internal-delay-ns = <6>;
status = "disabled";
};
@@ -283,6 +296,8 @@
clocks = <&cpg CPG_MOD 919>;
power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
resets = <&cpg 919>;
+ dmas = <&dmac0 0x9b>, <&dmac0 0x9a>;
+ dma-names = "tx", "rx";
i2c-scl-internal-delay-ns = <6>;
status = "disabled";
};
@@ -297,6 +312,8 @@
clocks = <&cpg CPG_MOD 918>;
power-domains = <&sysc R8A77990_PD_ALWAYS_ON>;
resets = <&cpg 918>;
+ dmas = <&dmac0 0x9d>, <&dmac0 0x9c>;
+ dma-names = "tx", "rx";
i2c-scl-internal-delay-ns = <6>;
status = "disabled";
};
--
1.9.1
next reply other threads:[~2018-10-20 21:35 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-10-20 21:35 Yoshihiro Kaneko [this message]
2018-11-21 12:02 ` [PATCH/RFT] arm64: dts: renesas: r8a77990: Enable I2C DMA Simon Horman
2018-11-23 12:37 ` Simon Horman
2018-11-23 13:19 ` Geert Uytterhoeven
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