arm64: dts: meson-gxl: add SPI pinctrl nodes for CLK

Add SPICC Controller pin nodes for CLK line when idle for Amlogic GXL
SoCs.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Amjad Ouled-Ameur <aouledameur@baylibre.com>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20221004-up-aml-fix-spi-v4-3-0342d8e10c49@baylibre.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
index c3ac531c4f84af6141f69ab9228a80969e1fd232..04e9d0f1bde0f0f8de7a8f9a1d8ff7f0ae7255e9 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl.dtsi
@@ -429,6 +429,20 @@
                        };
                };
 
+               spi_idle_high_pins: spi-idle-high-pins {
+                       mux {
+                               groups = "spi_sclk";
+                               bias-pull-up;
+                       };
+               };
+
+               spi_idle_low_pins: spi-idle-low-pins {
+                       mux {
+                               groups = "spi_sclk";
+                               bias-pull-down;
+                       };
+               };
+
                spi_ss0_pins: spi-ss0 {
                        mux {
                                groups = "spi_ss0";