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

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

Signed-off-by: Amjad Ouled-Ameur <aouledameur@baylibre.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Martin Blumenstingl <martin.blumenstingl@googlemail.com>
Link: https://lore.kernel.org/r/20221004-up-aml-fix-spi-v4-4-0342d8e10c49@baylibre.com
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
index 7c029f5..923d2d8 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb.dtsi
@@ -427,6 +427,20 @@
                        };
                };
 
+               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";