From: Katsuhiro Suzuki <katsuhiro@katsuster.net>
To: Heiko Stuebner <heiko@sntech.de>, linux-rockchip@lists.infradead.org
Cc: linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org,
Katsuhiro Suzuki <katsuhiro@katsuster.net>
Subject: [PATCH v2] arm64: dts: rockchip: add rk3399 UART DMAs
Date: Fri, 22 Mar 2019 01:22:44 +0900 [thread overview]
Message-ID: <20190321162244.10080-1-katsuhiro@katsuster.net> (raw)
Add UART dma channels as specified by the rk3399 TRM.
Refer:
RK3399 TRM V1.4: Chapter 12 DMA Controller
Signed-off-by: Katsuhiro Suzuki <katsuhiro@katsuster.net>
---
Changes from v1:
- Add dma property for UART4
---
arch/arm64/boot/dts/rockchip/rk3399.dtsi | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3399.dtsi b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
index 0301e3e01b38..31e487202676 100644
--- a/arch/arm64/boot/dts/rockchip/rk3399.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3399.dtsi
@@ -635,6 +635,8 @@
clocks = <&cru SCLK_UART0>, <&cru PCLK_UART0>;
clock-names = "baudclk", "apb_pclk";
interrupts = <GIC_SPI 99 IRQ_TYPE_LEVEL_HIGH 0>;
+ dmas = <&dmac_peri 0>, <&dmac_peri 1>;
+ dma-names = "tx", "rx";
reg-shift = <2>;
reg-io-width = <4>;
pinctrl-names = "default";
@@ -648,6 +650,8 @@
clocks = <&cru SCLK_UART1>, <&cru PCLK_UART1>;
clock-names = "baudclk", "apb_pclk";
interrupts = <GIC_SPI 98 IRQ_TYPE_LEVEL_HIGH 0>;
+ dmas = <&dmac_peri 2>, <&dmac_peri 3>;
+ dma-names = "tx", "rx";
reg-shift = <2>;
reg-io-width = <4>;
pinctrl-names = "default";
@@ -661,6 +665,8 @@
clocks = <&cru SCLK_UART2>, <&cru PCLK_UART2>;
clock-names = "baudclk", "apb_pclk";
interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH 0>;
+ dmas = <&dmac_peri 4>, <&dmac_peri 5>;
+ dma-names = "tx", "rx";
reg-shift = <2>;
reg-io-width = <4>;
pinctrl-names = "default";
@@ -674,6 +680,8 @@
clocks = <&cru SCLK_UART3>, <&cru PCLK_UART3>;
clock-names = "baudclk", "apb_pclk";
interrupts = <GIC_SPI 101 IRQ_TYPE_LEVEL_HIGH 0>;
+ dmas = <&dmac_peri 6>, <&dmac_peri 7>;
+ dma-names = "tx", "rx";
reg-shift = <2>;
reg-io-width = <4>;
pinctrl-names = "default";
@@ -1152,6 +1160,8 @@
clocks = <&pmucru SCLK_UART4_PMU>, <&pmucru PCLK_UART4_PMU>;
clock-names = "baudclk", "apb_pclk";
interrupts = <GIC_SPI 102 IRQ_TYPE_LEVEL_HIGH 0>;
+ dmas = <&dmac_peri 8>, <&dmac_peri 9>;
+ dma-names = "tx", "rx";
reg-shift = <2>;
reg-io-width = <4>;
pinctrl-names = "default";
--
2.20.1
next reply other threads:[~2019-03-21 16:22 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-21 16:22 Katsuhiro Suzuki [this message]
2019-03-25 12:34 ` Heiko Stuebner
2019-03-26 11:48 ` Robin Murphy
2019-03-26 13:49 ` Katsuhiro Suzuki
2019-03-27 12:00 ` Heiko Stuebner
2019-03-29 23:24 ` Robin Murphy
2019-04-11 12:46 ` Heiko Stuebner
2019-04-11 13:48 ` Robin Murphy
2019-04-11 19:17 ` Robin Murphy
2019-03-27 12:10 ` Robin Murphy
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