* [RESEND] ARM: dts: rockchip: enable dma for uart and mmc on rk3066a
@ 2016-11-14 6:52 Paweł Jarosz
2016-11-14 9:34 ` Heiko Stuebner
0 siblings, 1 reply; 2+ messages in thread
From: Paweł Jarosz @ 2016-11-14 6:52 UTC (permalink / raw)
To: heiko-4mtYJXux2i+zQB+pC5nmwQ, robh+dt-DgEjT+Ai2ygdnm+yROfE0A,
mark.rutland-5wv7dgnIgG8, linux-I+IVW8TIWO2tmTQ+vhA3Yw,
linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r
DMA controller driver is in good shape these days on rockchip platforms.
So lets enable DMA for uart and mmc.
Signed-off-by: Paweł Jarosz <paweljarosz3691@gmail.com>
---
arch/arm/boot/dts/rk3066a.dtsi | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/arch/arm/boot/dts/rk3066a.dtsi b/arch/arm/boot/dts/rk3066a.dtsi
index fc8dcc7..2f09cf1 100644
--- a/arch/arm/boot/dts/rk3066a.dtsi
+++ b/arch/arm/boot/dts/rk3066a.dtsi
@@ -637,16 +637,25 @@
&mmc0 {
clock-frequency = <50000000>;
+ dmas = <&dmac2 1>;
+ dma-names = "rx-tx";
max-frequency = <50000000>;
pinctrl-names = "default";
pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_cd &sd0_bus4>;
};
&mmc1 {
+ dmas = <&dmac2 3>;
+ dma-names = "rx-tx";
pinctrl-names = "default";
pinctrl-0 = <&sd1_clk &sd1_cmd &sd1_cd &sd1_bus4>;
};
+&emmc {
+ dmas = <&dmac2 4>;
+ dma-names = "rx-tx";
+};
+
&pwm0 {
pinctrl-names = "default";
pinctrl-0 = <&pwm0_out>;
@@ -678,21 +687,29 @@
};
&uart0 {
+ dmas = <&dmac1_s 0>, <&dmac1_s 1>;
+ dma-names = "tx", "rx";
pinctrl-names = "default";
pinctrl-0 = <&uart0_xfer>;
};
&uart1 {
+ dmas = <&dmac1_s 2>, <&dmac1_s 3>;
+ dma-names = "tx", "rx";
pinctrl-names = "default";
pinctrl-0 = <&uart1_xfer>;
};
&uart2 {
+ dmas = <&dmac2 6>, <&dmac2 7>;
+ dma-names = "tx", "rx";
pinctrl-names = "default";
pinctrl-0 = <&uart2_xfer>;
};
&uart3 {
+ dmas = <&dmac2 8>, <&dmac2 9>;
+ dma-names = "tx", "rx";
pinctrl-names = "default";
pinctrl-0 = <&uart3_xfer>;
};
--
2.7.4
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^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [RESEND] ARM: dts: rockchip: enable dma for uart and mmc on rk3066a
2016-11-14 6:52 [RESEND] ARM: dts: rockchip: enable dma for uart and mmc on rk3066a Paweł Jarosz
@ 2016-11-14 9:34 ` Heiko Stuebner
0 siblings, 0 replies; 2+ messages in thread
From: Heiko Stuebner @ 2016-11-14 9:34 UTC (permalink / raw)
To: Paweł Jarosz
Cc: mark.rutland-5wv7dgnIgG8,
linux-rockchip-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r,
robh+dt-DgEjT+Ai2ygdnm+yROfE0A, linux-I+IVW8TIWO2tmTQ+vhA3Yw
Am Montag, 14. November 2016, 07:52:06 CET schrieb Paweł Jarosz:
> DMA controller driver is in good shape these days on rockchip platforms.
> So lets enable DMA for uart and mmc.
>
> Signed-off-by: Paweł Jarosz <paweljarosz3691@gmail.com>
applied to my dts32 branch
Thanks
Heiko
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