ARM: dts: stm32: Add KS8851 on FMC2 to STM32MP1 DHCOM

Add bindings for the KS8851 ethernet present on the STM32MP1 DHCOM SoM.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Alexandre Torgue <alexandre.torgue@st.com>
Cc: Maxime Coquelin <mcoquelin.stm32@gmail.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Patrick Delaunay <patrick.delaunay@st.com>
Cc: linux-stm32@st-md-mailman.stormreply.com
To: linux-arm-kernel@lists.infradead.org
Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com>

diff --git a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
index e257459c34dcdde61d0639d9e27108b21f2c0495..ac46ab363e1b49807764b73441b96d164dd17304 100644 (file)
--- a/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
+++ b/arch/arm/boot/dts/stm32mp15xx-dhcom-som.dtsi
@@ -11,6 +11,7 @@
 / {
        aliases {
                ethernet0 = &ethernet0;
+               ethernet1 = &ksz8851;
        };
 
        memory@c0000000 {
@@ -133,6 +134,40 @@
        };
 };
 
+&fmc {
+       pinctrl-names = "default", "sleep";
+       pinctrl-0 = <&fmc_pins_b>;
+       pinctrl-1 = <&fmc_sleep_pins_b>;
+       status = "okay";
+
+       ksz8851: ks8851mll@1,0 {
+               compatible = "micrel,ks8851-mll";
+               reg = <1 0x0 0x2>, <1 0x2 0x20000>;
+               interrupt-parent = <&gpioc>;
+               interrupts = <3 IRQ_TYPE_LEVEL_LOW>;
+               bank-width = <2>;
+
+               /* Timing values are in nS */
+               st,fmc2-ebi-cs-mux-enable;
+               st,fmc2-ebi-cs-transaction-type = <4>;
+               st,fmc2-ebi-cs-buswidth = <16>;
+               st,fmc2-ebi-cs-address-setup-ns = <5>;
+               st,fmc2-ebi-cs-address-hold-ns = <5>;
+               st,fmc2-ebi-cs-bus-turnaround-ns = <5>;
+               st,fmc2-ebi-cs-data-setup-ns = <45>;
+               st,fmc2-ebi-cs-data-hold-ns = <1>;
+               st,fmc2-ebi-cs-write-address-setup-ns = <5>;
+               st,fmc2-ebi-cs-write-address-hold-ns = <5>;
+               st,fmc2-ebi-cs-write-bus-turnaround-ns = <5>;
+               st,fmc2-ebi-cs-write-data-setup-ns = <45>;
+               st,fmc2-ebi-cs-write-data-hold-ns = <1>;
+       };
+};
+
+&gpioc {
+       status = "okay";
+};
+
 &i2c4 {
        pinctrl-names = "default";
        pinctrl-0 = <&i2c4_pins_a>;