Add DMA properties to I2C hosts to allow for DMA transfers.
Signed-off-by: Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxx>
Tested-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@xxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/msm8998.dtsi | 37 +++++++++++++++++++++++++++
1 file changed, 37 insertions(+)
diff --git a/arch/arm64/boot/dts/qcom/msm8998.dtsi b/arch/arm64/boot/dts/qcom/msm8998.dtsi
index 699bd67efcd0..eadac13ff975 100644
--- a/arch/arm64/boot/dts/qcom/msm8998.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8998.dtsi
@@ -1893,6 +1893,8 @@ blsp1_i2c1: i2c@c175000 {
clocks = <&gcc GCC_BLSP1_QUP1_I2C_APPS_CLK>,
<&gcc GCC_BLSP1_AHB_CLK>;
clock-names = "core", "iface";
+ dmas = <&blsp1_dma 6>, <&blsp1_dma 7>;
+ dma-names = "tx", "rx";
clock-frequency = <400000>;
status = "disabled";
@@ -1908,6 +1910,8 @@ blsp1_i2c2: i2c@c176000 {
clocks = <&gcc GCC_BLSP1_QUP2_I2C_APPS_CLK>,
<&gcc GCC_BLSP1_AHB_CLK>;
clock-names = "core", "iface";
+ dmas = <&blsp1_dma 8>, <&blsp1_dma 9>;
+ dma-names = "tx", "rx";
clock-frequency = <400000>;
status = "disabled";
@@ -1923,6 +1927,8 @@ blsp1_i2c3: i2c@c177000 {
clocks = <&gcc GCC_BLSP1_QUP3_I2C_APPS_CLK>,
<&gcc GCC_BLSP1_AHB_CLK>;
clock-names = "core", "iface";
+ dmas = <&blsp1_dma 10>, <&blsp1_dma 11>;
+ dma-names = "tx", "rx";
clock-frequency = <400000>;
status = "disabled";
@@ -1938,6 +1944,8 @@ blsp1_i2c4: i2c@c178000 {
clocks = <&gcc GCC_BLSP1_QUP4_I2C_APPS_CLK>,
<&gcc GCC_BLSP1_AHB_CLK>;
clock-names = "core", "iface";
+ dmas = <&blsp1_dma 12>, <&blsp1_dma 13>;
+ dma-names = "tx", "rx";
clock-frequency = <400000>;
status = "disabled";
@@ -1953,6 +1961,8 @@ blsp1_i2c5: i2c@c179000 {
clocks = <&gcc GCC_BLSP1_QUP5_I2C_APPS_CLK>,
<&gcc GCC_BLSP1_AHB_CLK>;
clock-names = "core", "iface";
+ dmas = <&blsp1_dma 14>, <&blsp1_dma 15>;
+ dma-names = "tx", "rx";
clock-frequency = <400000>;
status = "disabled";
@@ -1968,6 +1978,8 @@ blsp1_i2c6: i2c@c17a000 {
clocks = <&gcc GCC_BLSP1_QUP6_I2C_APPS_CLK>,
<&gcc GCC_BLSP1_AHB_CLK>;
clock-names = "core", "iface";
+ dmas = <&blsp1_dma 16>, <&blsp1_dma 17>;
+ dma-names = "tx", "rx";
clock-frequency = <400000>;
status = "disabled";
@@ -1975,6 +1987,19 @@ blsp1_i2c6: i2c@c17a000 {
#size-cells = <0>;
};
+ blsp2_dma: dma@c184000 {
+ compatible = "qcom,bam-v1.7.0";
+ reg = <0x0c184000 0x25000>;
+ interrupts = <GIC_SPI 239 IRQ_TYPE_LEVEL_HIGH>;
+ clocks = <&gcc GCC_BLSP2_AHB_CLK>;
+ clock-names = "bam_clk";
+ #dma-cells = <1>;
+ qcom,ee = <0>;
+ qcom,controlled-remotely;
+ num-channels = <18>;
+ qcom,num-ees = <4>;
+ };
+
blsp2_uart1: serial@c1b0000 {
compatible = "qcom,msm-uartdm-v1.4", "qcom,msm-uartdm";
reg = <0x0c1b0000 0x1000>;
@@ -1993,6 +2018,8 @@ blsp2_i2c0: i2c@c1b5000 {
clocks = <&gcc GCC_BLSP2_QUP1_I2C_APPS_CLK>,
<&gcc GCC_BLSP2_AHB_CLK>;
clock-names = "core", "iface";
+ dmas = <&blsp2_dma 6>, <&blsp2_dma 7>;
+ dma-names = "tx", "rx";
clock-frequency = <400000>;
status = "disabled";
@@ -2008,6 +2035,8 @@ blsp2_i2c1: i2c@c1b6000 {
clocks = <&gcc GCC_BLSP2_QUP2_I2C_APPS_CLK>,
<&gcc GCC_BLSP2_AHB_CLK>;
clock-names = "core", "iface";
+ dmas = <&blsp2_dma 8>, <&blsp2_dma 9>;
+ dma-names = "tx", "rx";
clock-frequency = <400000>;
status = "disabled";
@@ -2023,6 +2052,8 @@ blsp2_i2c2: i2c@c1b7000 {
clocks = <&gcc GCC_BLSP2_QUP3_I2C_APPS_CLK>,
<&gcc GCC_BLSP2_AHB_CLK>;
clock-names = "core", "iface";
+ dmas = <&blsp2_dma 10>, <&blsp2_dma 11>;
+ dma-names = "tx", "rx";
clock-frequency = <400000>;
status = "disabled";
@@ -2038,6 +2069,8 @@ blsp2_i2c3: i2c@c1b8000 {
clocks = <&gcc GCC_BLSP2_QUP4_I2C_APPS_CLK>,
<&gcc GCC_BLSP2_AHB_CLK>;
clock-names = "core", "iface";
+ dmas = <&blsp2_dma 12>, <&blsp2_dma 13>;
+ dma-names = "tx", "rx";
clock-frequency = <400000>;
status = "disabled";
@@ -2053,6 +2086,8 @@ blsp2_i2c4: i2c@c1b9000 {
clocks = <&gcc GCC_BLSP2_QUP5_I2C_APPS_CLK>,
<&gcc GCC_BLSP2_AHB_CLK>;
clock-names = "core", "iface";
+ dmas = <&blsp2_dma 14>, <&blsp2_dma 15>;
+ dma-names = "tx", "rx";
clock-frequency = <400000>;
status = "disabled";
@@ -2068,6 +2103,8 @@ blsp2_i2c5: i2c@c1ba000 {
clocks = <&gcc GCC_BLSP2_QUP6_I2C_APPS_CLK>,
<&gcc GCC_BLSP2_AHB_CLK>;
clock-names = "core", "iface";
+ dmas = <&blsp2_dma 16>, <&blsp2_dma 17>;
+ dma-names = "tx", "rx";
clock-frequency = <400000>;
status = "disabled";
--
2.29.2
