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authorDave Gerlach <d-gerlach@ti.com>2017-03-06 09:23:39 -0600
committerTony Lindgren <tony@atomide.com>2017-03-23 13:44:56 -0700
commitbc4b1736f246102e84ce6d3f1a32f614ae27d81f (patch)
tree7d74a08e666a6f933fbfdc3f328bc41d95975374
parent72ac40fcb164a3d8fbd1ff13647abe67df26ced5 (diff)
downloadlinux-bc4b1736f246102e84ce6d3f1a32f614ae27d81f.tar.bz2
ARM: dts: am335x-boneblack: Enable 1GHz OPP for cpu
Although all PG2.0 silicon may not support 1GHz OPP for the MPU, older Beaglebone Blacks may have PG2.0 silicon populated and these particular parts are guaranteed to support the OPP, so enable it for PG2.0 on am335x-boneblack only. Signed-off-by: Dave Gerlach <d-gerlach@ti.com> eviewed-by: Lukasz Majewski <lukma@denx.de> Acked-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Tony Lindgren <tony@atomide.com>
-rw-r--r--arch/arm/boot/dts/am335x-boneblack.dts11
1 files changed, 11 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/am335x-boneblack.dts b/arch/arm/boot/dts/am335x-boneblack.dts
index 77273df1a028..935ed17d22e4 100644
--- a/arch/arm/boot/dts/am335x-boneblack.dts
+++ b/arch/arm/boot/dts/am335x-boneblack.dts
@@ -15,3 +15,14 @@
model = "TI AM335x BeagleBone Black";
compatible = "ti,am335x-bone-black", "ti,am335x-bone", "ti,am33xx";
};
+
+&cpu0_opp_table {
+ /*
+ * All PG 2.0 silicon may not support 1GHz but some of the early
+ * BeagleBone Blacks have PG 2.0 silicon which is guaranteed
+ * to support 1GHz OPP so enable it for PG 2.0 on this board.
+ */
+ oppnitro@1000000000 {
+ opp-supported-hw = <0x06 0x0100>;
+ };
+};