diff options
author | David Lechner <david@lechnology.com> | 2019-05-27 10:22:55 +0200 |
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committer | Sekhar Nori <nsekhar@ti.com> | 2019-06-14 18:22:37 +0530 |
commit | 3be5c7425fd2869f438e179ba54b03619a545977 (patch) | |
tree | 0d6aa1a9b5efec9f4ad1a0da3f4ca7c90c533351 /arch/arm/boot/dts/da850.dtsi | |
parent | a188339ca5a396acc588e5851ed7e19f66b0ebd9 (diff) | |
download | linux-3be5c7425fd2869f438e179ba54b03619a545977.tar.bz2 |
ARM: dts: da850: add cpu node and operating points to DT
This adds a cpu node and operating points to the common da850.dtsi file.
All operating points above 300MHz are disabled by default.
Regulators need to be hooked up on a per-board basis.
Signed-off-by: David Lechner <david@lechnology.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Diffstat (limited to 'arch/arm/boot/dts/da850.dtsi')
-rw-r--r-- | arch/arm/boot/dts/da850.dtsi | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/da850.dtsi b/arch/arm/boot/dts/da850.dtsi index 559659b399d0..0c9a8e78f748 100644 --- a/arch/arm/boot/dts/da850.dtsi +++ b/arch/arm/boot/dts/da850.dtsi @@ -20,6 +20,56 @@ reg = <0xc0000000 0x0>; }; + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu: cpu@0 { + compatible = "arm,arm926ej-s"; + device_type = "cpu"; + reg = <0>; + clocks = <&psc0 14>; + operating-points-v2 = <&opp_table>; + }; + }; + + opp_table: opp-table { + compatible = "operating-points-v2"; + + opp_100: opp100-100000000 { + opp-hz = /bits/ 64 <100000000>; + opp-microvolt = <1000000 950000 1050000>; + }; + + opp_200: opp110-200000000 { + opp-hz = /bits/ 64 <200000000>; + opp-microvolt = <1100000 1050000 1160000>; + }; + + opp_300: opp120-300000000 { + opp-hz = /bits/ 64 <300000000>; + opp-microvolt = <1200000 1140000 1320000>; + }; + + /* + * Original silicon was 300MHz max, so higher frequencies + * need to be enabled on a per-board basis if the chip is + * capable. + */ + + opp_375: opp120-375000000 { + status = "disabled"; + opp-hz = /bits/ 64 <375000000>; + opp-microvolt = <1200000 1140000 1320000>; + }; + + opp_456: opp130-456000000 { + status = "disabled"; + opp-hz = /bits/ 64 <456000000>; + opp-microvolt = <1300000 1250000 1350000>; + }; + }; + arm { #address-cells = <1>; #size-cells = <1>; |