diff mbox series

ARM: dts: rockchip: use DMA channels for UARTs for RK3288

Message ID 20200315095115.10106-1-katsuhiro@katsuster.net (mailing list archive)
State New, archived
Headers show
Series ARM: dts: rockchip: use DMA channels for UARTs for RK3288 | expand

Commit Message

Katsuhiro Suzuki March 15, 2020, 9:51 a.m. UTC 
This patch enables to use DMAC for all UARTs that are connected to
dmac_peri core for Rochchip RK3288.

Only uart2 is connected different DMAC (dmac_bus_s) so keep current
settings on this patch.

Signed-off-by: Katsuhiro Suzuki <katsuhiro@katsuster.net>
---
 arch/arm/boot/dts/rk3288.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

Comments

Heiko Stuebner March 17, 2020, 12:26 a.m. UTC | #1 
Am Sonntag, 15. März 2020, 10:51:15 CET schrieb Katsuhiro Suzuki:
> This patch enables to use DMAC for all UARTs that are connected to
> dmac_peri core for Rochchip RK3288.
> 
> Only uart2 is connected different DMAC (dmac_bus_s) so keep current
> settings on this patch.
> 
> Signed-off-by: Katsuhiro Suzuki <katsuhiro@katsuster.net>

applied for 5.7

Thanks
Heiko
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/rk3288.dtsi b/arch/arm/boot/dts/rk3288.dtsi
index 8bcb4a51682e..e9f8a44f5f2a 100644
--- a/arch/arm/boot/dts/rk3288.dtsi
+++ b/arch/arm/boot/dts/rk3288.dtsi
@@ -420,6 +420,8 @@  uart0: serial@ff180000 {
 		reg-io-width = <4>;
 		clocks = <&cru SCLK_UART0>, <&cru PCLK_UART0>;
 		clock-names = "baudclk", "apb_pclk";
+		dmas = <&dmac_peri 1>, <&dmac_peri 2>;
+		dma-names = "tx", "rx";
 		pinctrl-names = "default";
 		pinctrl-0 = <&uart0_xfer>;
 		status = "disabled";
@@ -433,6 +435,8 @@  uart1: serial@ff190000 {
 		reg-io-width = <4>;
 		clocks = <&cru SCLK_UART1>, <&cru PCLK_UART1>;
 		clock-names = "baudclk", "apb_pclk";
+		dmas = <&dmac_peri 3>, <&dmac_peri 4>;
+		dma-names = "tx", "rx";
 		pinctrl-names = "default";
 		pinctrl-0 = <&uart1_xfer>;
 		status = "disabled";
@@ -459,6 +463,8 @@  uart3: serial@ff1b0000 {
 		reg-io-width = <4>;
 		clocks = <&cru SCLK_UART3>, <&cru PCLK_UART3>;
 		clock-names = "baudclk", "apb_pclk";
+		dmas = <&dmac_peri 7>, <&dmac_peri 8>;
+		dma-names = "tx", "rx";
 		pinctrl-names = "default";
 		pinctrl-0 = <&uart3_xfer>;
 		status = "disabled";
@@ -472,6 +478,8 @@  uart4: serial@ff1c0000 {
 		reg-io-width = <4>;
 		clocks = <&cru SCLK_UART4>, <&cru PCLK_UART4>;
 		clock-names = "baudclk", "apb_pclk";
+		dmas = <&dmac_peri 9>, <&dmac_peri 10>;
+		dma-names = "tx", "rx";
 		pinctrl-names = "default";
 		pinctrl-0 = <&uart4_xfer>;
 		status = "disabled";