[PATCH 4/4] arm64: dts: qcom: db845c: add Low speed expansion i2c and spi nodes

From: Srinivas Kandagatla
Date: Thu Mar 05 2020 - 09:54:02 EST


This patch adds support UART0, I2C0, I2C1 and SPI0 available
on Low Speed expansion connector.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
---
arch/arm64/boot/dts/qcom/sdm845-db845c.dts | 34 ++++++++++++++++++++++
1 file changed, 34 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
index 350d3ea60235..fd2bdf10a4d9 100644
--- a/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
+++ b/arch/arm64/boot/dts/qcom/sdm845-db845c.dts
@@ -434,6 +434,24 @@
vdda-pll-supply = <&vreg_l26a_1p2>;
};

+&i2c11 {
+ /* On Low speed expansion */
+ label = "LS-I2C1";
+ status = "okay";
+};
+
+&i2c14 {
+ /* On Low speed expansion */
+ label = "LS-I2C0";
+ status = "okay";
+};
+
+&spi2 {
+ /* On Low speed expansion */
+ label = "LS-SPI0";
+ status = "okay";
+};
+
&pm8998_gpio {
vol_up_pin_a: vol-up-active {
pins = "gpio6";
@@ -574,6 +592,11 @@
};
};

+&uart3 {
+ label = "LS-UART0";
+ status = "disabled";
+};
+
&uart6 {
status = "okay";

@@ -589,6 +612,7 @@
};

&uart9 {
+ label = "LS-UART1";
status = "okay";
};

@@ -674,6 +698,16 @@
};

/* PINCTRL - additions to nodes defined in sdm845.dtsi */
+&qup_spi2_default {
+ drive-strength = <16>;
+};
+
+&qup_uart3_default{
+ pinmux {
+ pins = "gpio41", "gpio42", "gpio43", "gpio44";
+ function = "qup3";
+ };
+};

&qup_uart6_default {
pinmux {
--
2.21.0