[PATCH 2/2] arm64: dts: qcom: sdm845: enable dma for spi

From: Vinod Koul
Date: Mon Feb 21 2022 - 23:27:47 EST


Add dmas property for spi@880000 and pinconf setting so that we can use
dma for this spi device. Also, add iommu properties for qup and spi.

Signed-off-by: Vinod Koul <vkoul@xxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sdm845-db845c.dts | 4 ++++
arch/arm64/boot/dts/qcom/sdm845.dtsi | 11 +++++++++++
2 files changed, 15 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
index 13f80a0b6faa..119b15476a71 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
@@ -425,6 +425,10 @@ &gmu {
status = "okay";
};

+&gpi_dma0 {
+ status = "okay";
+};
+
&gpu {
status = "okay";
zap-shader {
diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index e8b50f3bf1bf..231f3020123b 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -12,6 +12,7 @@
#include <dt-bindings/clock/qcom,lpass-sdm845.h>
#include <dt-bindings/clock/qcom,rpmh.h>
#include <dt-bindings/clock/qcom,videocc-sdm845.h>
+#include <dt-bindings/dma/qcom-gpi.h>
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/interconnect/qcom,osm-l3.h>
#include <dt-bindings/interconnect/qcom,sdm845.h>
@@ -1194,6 +1195,9 @@ spi0: spi@880000 {
interconnects = <&aggre1_noc MASTER_QUP_1 0 &config_noc SLAVE_BLSP_1 0>,
<&gladiator_noc MASTER_APPSS_PROC 0 &config_noc SLAVE_BLSP_1 0>;
interconnect-names = "qup-core", "qup-config";
+ dmas = <&gpi_dma0 0 0 QCOM_GPI_SPI>,
+ <&gpi_dma0 1 0 QCOM_GPI_SPI>;
+ dma-names = "tx", "rx";
status = "disabled";
};

@@ -2633,6 +2637,13 @@ pinmux {
"gpio2", "gpio3";
function = "qup0";
};
+
+ config {
+ pins = "gpio0", "gpio1",
+ "gpio2", "gpio3";
+ drive-strength = <6>;
+ bias-disable;
+ };
};

qup_spi1_default: qup-spi1-default {
--
2.34.1