DMA names are required by of_dma_request_slave_channel function that is
called during uart probe. So to enable DMA for uarts add the names as in
the RK3568 TRM.
Signed-off-by: Philipp Puschmann <p.puschmann@xxxxxxxxxxx>
---
arch/arm64/boot/dts/rockchip/rk356x.dtsi | 10 ++++++++++
1 file changed, 10 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk356x.dtsi b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
index d8543b5557ee..4ae40661ca6a 100644
--- a/arch/arm64/boot/dts/rockchip/rk356x.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk356x.dtsi
@@ -489,6 +489,7 @@ uart0: serial@fdd50000 {
clocks = <&pmucru SCLK_UART0>, <&pmucru PCLK_UART0>;
clock-names = "baudclk", "apb_pclk";
dmas = <&dmac0 0>, <&dmac0 1>;
+ dma-names = "tx", "rx";
pinctrl-0 = <&uart0_xfer>;
pinctrl-names = "default";
reg-io-width = <4>;
@@ -1389,6 +1390,7 @@ uart1: serial@fe650000 {
clocks = <&cru SCLK_UART1>, <&cru PCLK_UART1>;
clock-names = "baudclk", "apb_pclk";
dmas = <&dmac0 2>, <&dmac0 3>;
+ dma-names = "tx", "rx";
pinctrl-0 = <&uart1m0_xfer>;
pinctrl-names = "default";
reg-io-width = <4>;
@@ -1403,6 +1405,7 @@ uart2: serial@fe660000 {
clocks = <&cru SCLK_UART2>, <&cru PCLK_UART2>;
clock-names = "baudclk", "apb_pclk";
dmas = <&dmac0 4>, <&dmac0 5>;
+ dma-names = "tx", "rx";
pinctrl-0 = <&uart2m0_xfer>;
pinctrl-names = "default";
reg-io-width = <4>;
@@ -1417,6 +1420,7 @@ uart3: serial@fe670000 {
clocks = <&cru SCLK_UART3>, <&cru PCLK_UART3>;
clock-names = "baudclk", "apb_pclk";
dmas = <&dmac0 6>, <&dmac0 7>;
+ dma-names = "tx", "rx";
pinctrl-0 = <&uart3m0_xfer>;
pinctrl-names = "default";
reg-io-width = <4>;
@@ -1431,6 +1435,7 @@ uart4: serial@fe680000 {
clocks = <&cru SCLK_UART4>, <&cru PCLK_UART4>;
clock-names = "baudclk", "apb_pclk";
dmas = <&dmac0 8>, <&dmac0 9>;
+ dma-names = "tx", "rx";
pinctrl-0 = <&uart4m0_xfer>;
pinctrl-names = "default";
reg-io-width = <4>;
@@ -1445,6 +1450,7 @@ uart5: serial@fe690000 {
clocks = <&cru SCLK_UART5>, <&cru PCLK_UART5>;
clock-names = "baudclk", "apb_pclk";
dmas = <&dmac0 10>, <&dmac0 11>;
+ dma-names = "tx", "rx";
pinctrl-0 = <&uart5m0_xfer>;
pinctrl-names = "default";
reg-io-width = <4>;
@@ -1459,6 +1465,7 @@ uart6: serial@fe6a0000 {
clocks = <&cru SCLK_UART6>, <&cru PCLK_UART6>;
clock-names = "baudclk", "apb_pclk";
dmas = <&dmac0 12>, <&dmac0 13>;
+ dma-names = "tx", "rx";
pinctrl-0 = <&uart6m0_xfer>;
pinctrl-names = "default";
reg-io-width = <4>;
@@ -1473,6 +1480,7 @@ uart7: serial@fe6b0000 {
clocks = <&cru SCLK_UART7>, <&cru PCLK_UART7>;
clock-names = "baudclk", "apb_pclk";
dmas = <&dmac0 14>, <&dmac0 15>;
+ dma-names = "tx", "rx";
pinctrl-0 = <&uart7m0_xfer>;
pinctrl-names = "default";
reg-io-width = <4>;
@@ -1487,6 +1495,7 @@ uart8: serial@fe6c0000 {
clocks = <&cru SCLK_UART8>, <&cru PCLK_UART8>;
clock-names = "baudclk", "apb_pclk";
dmas = <&dmac0 16>, <&dmac0 17>;
+ dma-names = "tx", "rx";
pinctrl-0 = <&uart8m0_xfer>;
pinctrl-names = "default";
reg-io-width = <4>;
@@ -1501,6 +1510,7 @@ uart9: serial@fe6d0000 {
clocks = <&cru SCLK_UART9>, <&cru PCLK_UART9>;
clock-names = "baudclk", "apb_pclk";
dmas = <&dmac0 18>, <&dmac0 19>;
+ dma-names = "tx", "rx";
pinctrl-0 = <&uart9m0_xfer>;
pinctrl-names = "default";
reg-io-width = <4>;
--
2.45.2
