[PATCH V2] ARM: dts: stm32: Disable KS8851 and FMC on PicoITX board

Marek Vasut marex at denx.de
Thu Dec 24 01:27:26 EST 2020


The PicoITX has only one ethernet routed out, so the KS8851 is not used
at all. Disable the KS8851 and the entire FMC controller.

Signed-off-by: Marek Vasut <marex at denx.de>
Cc: Alexandre Torgue <alexandre.torgue at st.com>
Cc: Maxime Coquelin <mcoquelin.stm32 at gmail.com>
Cc: Patrice Chotard <patrice.chotard at st.com>
Cc: Patrick Delaunay <patrick.delaunay at st.com>
Cc: linux-stm32 at st-md-mailman.stormreply.com
To: linux-arm-kernel at lists.infradead.org
---
V2: Drop the "ebi" node, which is no longer present
---
 arch/arm/boot/dts/stm32mp15xx-dhcom-picoitx.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcom-picoitx.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcom-picoitx.dtsi
index b99f2b891629..25528a1c096f 100644
--- a/arch/arm/boot/dts/stm32mp15xx-dhcom-picoitx.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dhcom-picoitx.dtsi
@@ -36,6 +36,10 @@ &dac {
 	status = "disabled";
 };
 
+&fmc {
+	status = "disabled";
+};
+
 &gpioa {
 	/*
 	 * NOTE: The USB Port on the PicoITX needs a PWR_EN signal to enable
@@ -94,6 +98,10 @@ &i2c5 {	/* On board-to-board connector */
 	/delete-property/dma-names;
 };
 
+&ksz8851 {
+	status = "disabled";
+};
+
 &usart3 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&usart3_pins_a>;
-- 
2.29.2




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