
11 Apr
2017
11 Apr
'17
4:04 a.m.
On Tuesday 11 April 2017 03:43 AM, Adam Ford wrote:
Some OMAP3 devices support an SMSC ethernet PHY connected to the GPMC bus. This copies this device tree from Linux 4.9.y stable
Signed-off-by: Adam Ford aford173@gmail.com
Reviewed-by: Lokesh Vutla lokeshvutla@ti.com
Thanks and regards, Lokesh
diff --git a/arch/arm/dts/omap-gpmc-smsc9221.dtsi b/arch/arm/dts/omap-gpmc-smsc9221.dtsi new file mode 100644 index 0000000..73e272f --- /dev/null +++ b/arch/arm/dts/omap-gpmc-smsc9221.dtsi @@ -0,0 +1,58 @@ +/*
- Common file for GPMC connected smsc9221 on omaps
- Compared to smsc911x, smsc9221 (and others like smsc9217
- or smsc 9218) has faster timings, leading to higher
- bandwidth.
- Note that the board specifc DTS file needs to specify
- ranges, pinctrl, reg, interrupt parent and interrupts.
- */
+/ {
- vddvario: regulator-vddvario {
compatible = "regulator-fixed";
regulator-name = "vddvario";
regulator-always-on;
- };
- vdd33a: regulator-vdd33a {
compatible = "regulator-fixed";
regulator-name = "vdd33a";
regulator-always-on;
- };
+};
+&gpmc {
- ethernet@gpmc {
compatible = "smsc,lan9221","smsc,lan9115";
bank-width = <2>;
gpmc,mux-add-data;
gpmc,cs-on-ns = <0>;
gpmc,cs-rd-off-ns = <42>;
gpmc,cs-wr-off-ns = <36>;
gpmc,adv-on-ns = <6>;
gpmc,adv-rd-off-ns = <12>;
gpmc,adv-wr-off-ns = <12>;
gpmc,oe-on-ns = <0>;
gpmc,oe-off-ns = <42>;
gpmc,we-on-ns = <0>;
gpmc,we-off-ns = <36>;
gpmc,rd-cycle-ns = <60>;
gpmc,wr-cycle-ns = <54>;
gpmc,access-ns = <36>;
gpmc,page-burst-access-ns = <0>;
gpmc,bus-turnaround-ns = <0>;
gpmc,cycle2cycle-delay-ns = <0>;
gpmc,wr-data-mux-bus-ns = <18>;
gpmc,wr-access-ns = <42>;
gpmc,cycle2cycle-samecsen;
gpmc,cycle2cycle-diffcsen;
vddvario-supply = <&vddvario>;
vdd33a-supply = <&vdd33a>;
reg-io-width = <4>;
smsc,save-mac-address;
- };
+};