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| author | Olof Johansson <olof@lixom.net> | 2019-06-25 14:37:18 +0300 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2019-06-25 14:37:18 +0300 |
| commit | 19339e6a221455b1125bbc90f750daedd6828408 (patch) | |
| tree | a55dfb0b6265e3b87245902c04eedf4239435ed0 /arch/arm/boot/dts/da850.dtsi | |
| parent | 97dd7871d147f9df8aa909062c94323064e15a82 (diff) | |
| parent | 3a4b44d5c032f03cee71a8f2ad5c10ce18b3519b (diff) | |
| download | linux-19339e6a221455b1125bbc90f750daedd6828408.tar.xz | |
Merge tag 'davinci-for-v5.3/dt' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci into arm/dt
This pull request adds CPUFreq support for DA850 boards in device-tree
boot using the generic CPUFREQ_DT driver.
* tag 'davinci-for-v5.3/dt' of git://git.kernel.org/pub/scm/linux/kernel/git/nsekhar/linux-davinci:
ARM: davinci_all_defconfig: Enable CPUFREQ_DT
ARM: dts: da850-evm: enable cpufreq
ARM: dts: da850-lcdk: enable cpufreq
ARM: dts: da850-lego-ev3: enable cpufreq
ARM: dts: da850: add cpu node and operating points to DT
Signed-off-by: Olof Johansson <olof@lixom.net>
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 e6e78b88cacb..7cf31b6e48b7 100644 --- a/arch/arm/boot/dts/da850.dtsi +++ b/arch/arm/boot/dts/da850.dtsi @@ -16,6 +16,56 @@ 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>; |