ARM: dts: msm: Configure SPI6 node for MSM8953
Configure SPI6 node for MSM8953 with default status
set to disabled.
Client needs to enable this instance as per usecase.
SPI6 is exposed on the sensor connector (J53) of the Open-Q board.
Change-Id: I00875b933f90d8f4e9ceed26ae8d8cff16983a05
Signed-off-by: c_vnerel <venkataraman.nerellapalli@codeaurora.org>
diff --git a/arch/arm64/boot/dts/qcom/msm8953-pinctrl.dtsi b/arch/arm64/boot/dts/qcom/msm8953-pinctrl.dtsi
index 3552055..65b2397 100644
--- a/arch/arm64/boot/dts/qcom/msm8953-pinctrl.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8953-pinctrl.dtsi
@@ -1400,6 +1400,66 @@
};
};
+ spi6 {
+ spi6_default: spi6_default {
+ /* active state */
+ mux {
+ /* MOSI, MISO, CLK */
+ pins = "gpio20", "gpio21", "gpio23";
+ function = "blsp_spi6";
+ };
+
+ config {
+ pins = "gpio20", "gpio21", "gpio23";
+ drive-strength = <12>; /* 12 MA */
+ bias-disable = <0>; /* No PULL */
+ };
+ };
+
+ spi6_sleep: spi6_sleep {
+ /* suspended state */
+ mux {
+ /* MOSI, MISO, CLK */
+ pins = "gpio20", "gpio21", "gpio23";
+ function = "gpio";
+ };
+
+ config {
+ pins = "gpio20", "gpio21", "gpio23";
+ drive-strength = <2>; /* 2 MA */
+ bias-pull-down; /* PULL Down */
+ };
+ };
+
+ spi6_cs0_active: cs0_active {
+ /* CS */
+ mux {
+ pins = "gpio22";
+ function = "blsp_spi6";
+ };
+
+ config {
+ pins = "gpio22";
+ drive-strength = <2>;
+ bias-disable = <0>;
+ };
+ };
+
+ spi6_cs0_sleep: cs0_sleep {
+ /* CS */
+ mux {
+ pins = "gpio22";
+ function = "gpio";
+ };
+
+ config {
+ pins = "gpio22";
+ drive-strength = <2>;
+ bias-disable = <0>;
+ };
+ };
+ };
+
/* add pingrp for touchscreen */
pmx_ts_int_active {
ts_int_active: ts_int_active {