From: Vitor Soares vitor.soares@toradex.com
Hardware chip select does not work correctly on main_spi0 and main_spi2 controllers. Testing shows main_spi2 loses CS state during runtime PM suspend, while main_spi0 cannot drive CS HIGH when bus is idle.
Use GPIO-based chip select for both controllers.
Fixes: 39ac6623b1d8 ("arm64: dts: ti: Add Aquila AM69 Support") Cc: stable@vger.kernel.org Signed-off-by: Vitor Soares vitor.soares@toradex.com --- arch/arm64/boot/dts/ti/k3-am69-aquila.dtsi | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/arch/arm64/boot/dts/ti/k3-am69-aquila.dtsi b/arch/arm64/boot/dts/ti/k3-am69-aquila.dtsi index 0866eb8a6f34..5119baf62a4c 100644 --- a/arch/arm64/boot/dts/ti/k3-am69-aquila.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am69-aquila.dtsi @@ -479,7 +479,7 @@ J784S4_IOPAD(0x0dc, PIN_OUTPUT, 0) /* (AM36) SPI0_D1 */ /* AQUILA D17 */ /* Aquila SPI_2 CS */ pinctrl_main_spi0_cs0: main-spi0-cs0-default-pins { pinctrl-single,pins = < - J784S4_IOPAD(0x0cc, PIN_OUTPUT, 0) /* (AM37) SPI0_CS0 */ /* AQUILA D16 */ + J784S4_IOPAD(0x0cc, PIN_OUTPUT, 7) /* (AM37) SPI0_CS0.GPIO0_51 */ /* AQUILA D16 */ >; };
@@ -495,7 +495,7 @@ J784S4_IOPAD(0x0ac, PIN_OUTPUT, 10) /* (AE34) MCASP0_AXR15.SPI2_D1 */ /* AQUILA /* Aquila SPI_1 CS */ pinctrl_main_spi2_cs0: main-spi2-cs0-default-pins { pinctrl-single,pins = < - J784S4_IOPAD(0x09c, PIN_OUTPUT, 10) /* (AF35) MCASP0_AXR11.SPI2_CS1 */ /* AQUILA D9 */ + J784S4_IOPAD(0x09c, PIN_OUTPUT, 7) /* (AF35) MCASP0_AXR11.GPIO0_39 */ /* AQUILA D9 */ >; };
@@ -1204,6 +1204,7 @@ &main_sdhci1 { &main_spi0 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_main_spi0>, <&pinctrl_main_spi0_cs0>; + cs-gpios = <&main_gpio0 51 GPIO_ACTIVE_LOW>; status = "disabled"; };
@@ -1211,6 +1212,7 @@ &main_spi0 { &main_spi2 { pinctrl-names = "default"; pinctrl-0 = <&pinctrl_main_spi2>, <&pinctrl_main_spi2_cs0>; + cs-gpios = <&main_gpio0 39 GPIO_ACTIVE_LOW>; status = "disabled"; };