From 4be5375b3c351b5c3d7d54d7a9b541d7c589bf94 Mon Sep 17 00:00:00 2001 From: Manikandan Muralidharan Date: Tue, 7 Feb 2023 16:36:48 +0530 Subject: [PATCH] ARM: dts: at91: sam9x60: Add DMA bindings for the flexcom nodes Add dma bindings for flexcom nodes in the soc dtsi file. Users those who don't wish to use the DMA function for their flexcom functions can overwrite the dma bindings in the board device tree file. Signed-off-by: Manikandan Muralidharan [durai.manickamkr@microchip.com: fixed code indentation and updated commit log] Signed-off-by: Durai Manickam KR Reviewed-by: Claudiu Beznea Signed-off-by: Claudiu Beznea Link: https://lore.kernel.org/r/20230207110651.197268-6-durai.manickamkr@microchip.com --- arch/arm/boot/dts/at91-sam9x60ek.dts | 3 +++ arch/arm/boot/dts/sam9x60.dtsi | 27 +++++++++++++++++++++++++++ 2 files changed, 30 insertions(+) diff --git a/arch/arm/boot/dts/at91-sam9x60ek.dts b/arch/arm/boot/dts/at91-sam9x60ek.dts index 6b6391d5..180e4b1 100644 --- a/arch/arm/boot/dts/at91-sam9x60ek.dts +++ b/arch/arm/boot/dts/at91-sam9x60ek.dts @@ -209,6 +209,7 @@ i2c0: i2c@600 { #address-cells = <1>; #size-cells = <0>; + dmas = <0>, <0>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_flx0_default>; i2c-analog-filter; @@ -230,6 +231,7 @@ status = "disabled"; spi4: spi@400 { + dmas = <0>, <0>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_flx4_default>; status = "disabled"; @@ -254,6 +256,7 @@ i2c6: i2c@600 { #address-cells = <1>; #size-cells = <0>; + dmas = <0>, <0>; pinctrl-names = "default"; pinctrl-0 = <&pinctrl_flx6_default>; i2c-analog-filter; diff --git a/arch/arm/boot/dts/sam9x60.dtsi b/arch/arm/boot/dts/sam9x60.dtsi index 1e401a9..8442971 100644 --- a/arch/arm/boot/dts/sam9x60.dtsi +++ b/arch/arm/boot/dts/sam9x60.dtsi @@ -177,6 +177,15 @@ interrupts = <13 IRQ_TYPE_LEVEL_HIGH 7>; clocks = <&pmc PMC_TYPE_PERIPHERAL 13>; clock-names = "spi_clk"; + dmas = <&dma0 + (AT91_XDMAC_DT_MEM_IF(0) | + AT91_XDMAC_DT_PER_IF(1) | + AT91_XDMAC_DT_PERID(8))>, + <&dma0 + (AT91_XDMAC_DT_MEM_IF(0) | + AT91_XDMAC_DT_PER_IF(1) | + AT91_XDMAC_DT_PERID(9))>; + dma-names = "tx", "rx"; atmel,fifo-size = <16>; status = "disabled"; }; @@ -417,6 +426,15 @@ reg = <0x600 0x200>; interrupts = <9 IRQ_TYPE_LEVEL_HIGH 7>; clocks = <&pmc PMC_TYPE_PERIPHERAL 9>; + dmas = <&dma0 + (AT91_XDMAC_DT_MEM_IF(0) | + AT91_XDMAC_DT_PER_IF(1) | + AT91_XDMAC_DT_PERID(12))>, + <&dma0 + (AT91_XDMAC_DT_MEM_IF(0) | + AT91_XDMAC_DT_PER_IF(1) | + AT91_XDMAC_DT_PERID(13))>; + dma-names = "tx", "rx"; atmel,fifo-size = <16>; status = "disabled"; }; @@ -456,6 +474,15 @@ reg = <0x600 0x200>; interrupts = <5 IRQ_TYPE_LEVEL_HIGH 7>; clocks = <&pmc PMC_TYPE_PERIPHERAL 5>; + dmas = <&dma0 + (AT91_XDMAC_DT_MEM_IF(0) | + AT91_XDMAC_DT_PER_IF(1) | + AT91_XDMAC_DT_PERID(0))>, + <&dma0 + (AT91_XDMAC_DT_MEM_IF(0) | + AT91_XDMAC_DT_PER_IF(1) | + AT91_XDMAC_DT_PERID(1))>; + dma-names = "tx", "rx"; atmel,fifo-size = <16>; status = "disabled"; }; -- 2.7.4