[patch 3/5] DT nodes for AST2500 DMA UART driver
From: sudheer.v <hidden>
Date: 2019-06-05 12:23:13
Also in:
linux-arm-kernel, linux-aspeed, linux-serial
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: sudheer Kumar veliseti <redacted> Signed-off-by: sudheer veliseti <redacted> --- arch/arm/boot/dts/aspeed-ast2500-evb.dts | 21 +++++++ arch/arm/boot/dts/aspeed-g5.dtsi | 71 ++++++++++++++++++++++-- 2 files changed, 88 insertions(+), 4 deletions(-)
diff --git a/arch/arm/boot/dts/aspeed-ast2500-evb.dts b/arch/arm/boot/dts/aspeed-ast2500-evb.dts
index 5dbb33c10c4f..4da09fbe94df 100644
--- a/arch/arm/boot/dts/aspeed-ast2500-evb.dts
+++ b/arch/arm/boot/dts/aspeed-ast2500-evb.dts@@ -64,6 +64,27 @@ status = "okay"; }; +&ast_uart_sdma { + status = "okay"; +}; + +&dma_uart1 { + status = "okay"; +}; + +&dma_uart2 { + status = "okay"; +}; + +&dma_uart3 { + status = "okay"; +}; + +&dma_uart4 { + status = "okay"; +}; + + &mac0 { status = "okay";
diff --git a/arch/arm/boot/dts/aspeed-g5.dtsi b/arch/arm/boot/dts/aspeed-g5.dtsi
index 674746513031..fb7b3ed463de 100644
--- a/arch/arm/boot/dts/aspeed-g5.dtsi
+++ b/arch/arm/boot/dts/aspeed-g5.dtsi@@ -23,10 +23,10 @@ i2c11 = &i2c11; i2c12 = &i2c12; i2c13 = &i2c13; - serial0 = &uart1; - serial1 = &uart2; - serial2 = &uart3; - serial3 = &uart4; + serial0 = &dma_uart1; + serial1 = &dma_uart2; + serial2 = &dma_uart3; + serial3 = &dma_uart4; serial4 = &uart5; serial5 = &vuart; peci0 = &peci0;
@@ -497,6 +497,69 @@ status = "disabled"; }; + ast_uart_sdma: uart_sdma@1e79e000 { + compatible = "aspeed,ast-uart-sdma"; + reg = <0x1e79e000 0x400>; + interrupts = <50>; + status = "disabled"; + }; + + dma_uart1: dma_uart1@1e783000{ + compatible = "aspeed,ast-sdma-uart"; + reg = <0x1e783000 0x1000>; + reg-shift = <2>; + interrupts = <9>; + clocks = <&syscon ASPEED_CLK_GATE_UART1CLK>; + dma-channel = <0>; + no-loopback-test; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_txd1_default + &pinctrl_rxd1_default>; + status = "disabled"; + }; + + dma_uart2: dma_uart2@1e78d000{ + compatible = "aspeed,ast-sdma-uart"; + reg = <0x1e78d000 0x1000>; + reg-shift = <2>; + interrupts = <32>; + clocks = <&syscon ASPEED_CLK_GATE_UART2CLK>; + dma-channel = <1>; + no-loopback-test; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_txd2_default + &pinctrl_rxd2_default>; + status = "disabled"; + }; + + dma_uart3: dma_uart3@1e78e000{ + compatible = "aspeed,ast-sdma-uart"; + reg = <0x1e78e000 0x1000>; + reg-shift = <2>; + interrupts = <33>; + clocks = <&syscon ASPEED_CLK_GATE_UART3CLK>; + dma-channel = <2>; + no-loopback-test; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_txd3_default + &pinctrl_rxd3_default>; + status = "disabled"; + }; + + dma_uart4: dma_uart4@1e78f000{ + compatible = "aspeed,ast-sdma-uart"; + reg = <0x1e78f000 0x1000>; + reg-shift = <2>; + interrupts = <34>; + clocks = <&syscon ASPEED_CLK_GATE_UART4CLK>; + dma-channel = <3>; + no-loopback-test; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_txd4_default + &pinctrl_rxd4_default>; + status = "disabled"; + }; + i2c: bus@1e78a000 { compatible = "simple-bus"; #address-cells = <1>;
--
2.17.1