summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorSuman Anna <s-anna@ti.com>2021-07-29 17:46:21 -0500
committerTony Lindgren <tony@atomide.com>2021-08-03 15:25:14 +0300
commit8c054cd2818ea08555efe24a2ffde330833c2f3f (patch)
tree3af0a6772c1ab3650832f7676bf13b40a1acd085
parentb8afeaee9d03f644f72b35e8433c9c2f651ade9c (diff)
downloadlinux-8c054cd2818ea08555efe24a2ffde330833c2f3f.tar.bz2
ARM: dts: am57xx: Add PRUSS MDIO controller nodes
The PRUSSs on AM57xx SoCs contain an MDIO controller that can be used to control external PHYs associated with the Industrial Ethernet peripherals within each PRUSS. The MDIO module used within the PRU-ICSS is an instance of the MDIO Controller used in TI Davinci SoCs. The same bus frequency of 1 MHz is chosen as the regular MDIO node. The nodes are added in the common am57-pruss.dtsi file and enabled by default, but are disabled in all the existing AM57xx board dts files. These nodes need pinctrl lines, and so should be enabled only on boards where they are actually wired and pinned out for PRUSS Ethernet. Any new board dts file should disable these if they are not sure. Signed-off-by: Suman Anna <s-anna@ti.com> Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
-rw-r--r--arch/arm/boot/dts/am57-pruss.dtsi20
-rw-r--r--arch/arm/boot/dts/am571x-idk.dts8
-rw-r--r--arch/arm/boot/dts/am572x-idk.dts8
-rw-r--r--arch/arm/boot/dts/am574x-idk.dts8
-rw-r--r--arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi8
-rw-r--r--arch/arm/boot/dts/am57xx-cl-som-am57x.dts8
6 files changed, 60 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/am57-pruss.dtsi b/arch/arm/boot/dts/am57-pruss.dtsi
index 494d56830b34..46c5383f0eee 100644
--- a/arch/arm/boot/dts/am57-pruss.dtsi
+++ b/arch/arm/boot/dts/am57-pruss.dtsi
@@ -102,6 +102,16 @@
reg-names = "iram", "control", "debug";
firmware-name = "am57xx-pru1_1-fw";
};
+
+ pruss1_mdio: mdio@32400 {
+ compatible = "ti,davinci_mdio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&dpll_gmac_h13x2_ck>;
+ clock-names = "fck";
+ bus_freq = <1000000>;
+ reg = <0x32400 0x90>;
+ };
};
};
@@ -201,6 +211,16 @@
reg-names = "iram", "control", "debug";
firmware-name = "am57xx-pru2_1-fw";
};
+
+ pruss2_mdio: mdio@32400 {
+ compatible = "ti,davinci_mdio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+ clocks = <&dpll_gmac_h13x2_ck>;
+ clock-names = "fck";
+ bus_freq = <1000000>;
+ reg = <0x32400 0x90>;
+ };
};
};
};
diff --git a/arch/arm/boot/dts/am571x-idk.dts b/arch/arm/boot/dts/am571x-idk.dts
index e81078c2d00d..48425020281a 100644
--- a/arch/arm/boot/dts/am571x-idk.dts
+++ b/arch/arm/boot/dts/am571x-idk.dts
@@ -208,3 +208,11 @@
pinctrl-1 = <&mmc2_pins_hs>;
pinctrl-2 = <&mmc2_pins_ddr_rev20 &mmc2_iodelay_ddr_conf>;
};
+
+&pruss1_mdio {
+ status = "disabled";
+};
+
+&pruss2_mdio {
+ status = "disabled";
+};
diff --git a/arch/arm/boot/dts/am572x-idk.dts b/arch/arm/boot/dts/am572x-idk.dts
index 6504265f3f7e..94a738cb0a4d 100644
--- a/arch/arm/boot/dts/am572x-idk.dts
+++ b/arch/arm/boot/dts/am572x-idk.dts
@@ -27,3 +27,11 @@
pinctrl-1 = <&mmc2_pins_hs>;
pinctrl-2 = <&mmc2_pins_ddr_rev20>;
};
+
+&pruss1_mdio {
+ status = "disabled";
+};
+
+&pruss2_mdio {
+ status = "disabled";
+};
diff --git a/arch/arm/boot/dts/am574x-idk.dts b/arch/arm/boot/dts/am574x-idk.dts
index dcc32f4b347f..6dff3660bf09 100644
--- a/arch/arm/boot/dts/am574x-idk.dts
+++ b/arch/arm/boot/dts/am574x-idk.dts
@@ -39,3 +39,11 @@
&emif1 {
status = "okay";
};
+
+&pruss1_mdio {
+ status = "disabled";
+};
+
+&pruss2_mdio {
+ status = "disabled";
+};
diff --git a/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi b/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi
index 6b82ecf803c5..994e69ab38d7 100644
--- a/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi
+++ b/arch/arm/boot/dts/am57xx-beagle-x15-common.dtsi
@@ -637,3 +637,11 @@
status = "okay";
memory-region = <&dsp2_memory_region>;
};
+
+&pruss1_mdio {
+ status = "disabled";
+};
+
+&pruss2_mdio {
+ status = "disabled";
+};
diff --git a/arch/arm/boot/dts/am57xx-cl-som-am57x.dts b/arch/arm/boot/dts/am57xx-cl-som-am57x.dts
index aed81568a297..2e94f32d9dfc 100644
--- a/arch/arm/boot/dts/am57xx-cl-som-am57x.dts
+++ b/arch/arm/boot/dts/am57xx-cl-som-am57x.dts
@@ -618,3 +618,11 @@
status = "okay";
ti,no-reset-on-init;
};
+
+&pruss1_mdio {
+ status = "disabled";
+};
+
+&pruss2_mdio {
+ status = "disabled";
+};