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

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Date:   Thu,  5 Mar 2020 14:53:44 +0000
From:   Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
To:     bjorn.andersson@...aro.org, agross@...nel.org
Cc:     linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        robh+dt@...nel.org, linux-kernel@...r.kernel.org,
        Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
Subject: [PATCH 4/4] arm64: dts: qcom: db845c: add Low speed expansion i2c and spi nodes

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

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
---
 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