From 139fb80d0890d1dca5f184c61fa623e6b93b3114 Mon Sep 17 00:00:00 2001 From: mason Date: Tue, 2 May 2023 12:40:12 +0000 Subject: [PATCH] Add lower clock speeds for S922X --- .../linux/patches/000-ogu-linux.patch | 59 +++++++++++++++++-- 1 file changed, 54 insertions(+), 5 deletions(-) diff --git a/projects/Amlogic/packages/linux/patches/000-ogu-linux.patch b/projects/Amlogic/packages/linux/patches/000-ogu-linux.patch index 3e9348cc7..7c8a3bed1 100644 --- a/projects/Amlogic/packages/linux/patches/000-ogu-linux.patch +++ b/projects/Amlogic/packages/linux/patches/000-ogu-linux.patch @@ -93,8 +93,8 @@ diff -rupN linux.orig/arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi linux/ar #cooling-cells = <2>; diff -rupN linux.orig/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-go-ultra.dts linux/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-go-ultra.dts --- linux.orig/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-go-ultra.dts 1970-01-01 00:00:00.000000000 +0000 -+++ linux/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-go-ultra.dts 2023-05-01 16:43:56.922458695 +0000 -@@ -0,0 +1,932 @@ ++++ linux/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-go-ultra.dts 2023-05-02 04:09:00.103047103 +0000 +@@ -0,0 +1,944 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2022 Neil Armstrong @@ -439,6 +439,12 @@ diff -rupN linux.orig/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-go-ultra.dts + +/* RK817 only supports 12.5mV steps, round up the values */ +&cpu_opp_table_0 { ++ opp-500000000 { ++ opp-microvolt = <725000>; ++ }; ++ opp-667000000 { ++ opp-microvolt = <725000>; ++ }; + opp-1000000000 { + opp-microvolt = <737500>; + }; @@ -471,6 +477,12 @@ diff -rupN linux.orig/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-go-ultra.dts + +/* RK818 only supports 12.5mV steps, round up the values */ +&cpub_opp_table_1 { ++ opp-500000000 { ++ opp-microvolt = <750000>; ++ }; ++ opp-667000000 { ++ opp-microvolt = <750000>; ++ }; + opp-1000000000 { + opp-microvolt = <775000>; + }; @@ -544,12 +556,12 @@ diff -rupN linux.orig/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-go-ultra.dts + regulator-name = "vddcpu_a"; + regulator-always-on; + regulator-boot-on; -+ regulator-min-microvolt = <775000>; ++ regulator-min-microvolt = <750000>; + regulator-max-microvolt = <1050000>; + regulator-ramp-delay = <6001>; + regulator-state-mem { + regulator-on-in-suspend; -+ regulator-suspend-microvolt = <775000>; ++ regulator-suspend-microvolt = <750000>; + }; + }; + @@ -772,7 +784,7 @@ diff -rupN linux.orig/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-go-ultra.dts + vddcpu_b: DCDC_REG2 { + regulator-always-on; + regulator-boot-on; -+ regulator-min-microvolt = <737500>; ++ regulator-min-microvolt = <725000>; + regulator-max-microvolt = <1050000>; + regulator-ramp-delay = <6001>; + regulator-initial-mode = <0x2>; @@ -1186,6 +1198,43 @@ diff -rupN linux.orig/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2l.dts linu + + pwms = <&pwm_AO_cd 1 1500 0>; +}; +diff -rupN linux.orig/arch/arm64/boot/dts/amlogic/meson-g12b-s922x.dtsi linux/arch/arm64/boot/dts/amlogic/meson-g12b-s922x.dtsi +--- linux.orig/arch/arm64/boot/dts/amlogic/meson-g12b-s922x.dtsi 2023-03-22 12:34:07.000000000 +0000 ++++ linux/arch/arm64/boot/dts/amlogic/meson-g12b-s922x.dtsi 2023-05-02 04:37:30.426592066 +0000 +@@ -11,6 +11,16 @@ + compatible = "operating-points-v2"; + opp-shared; + ++ opp-500000000 { ++ opp-hz = /bits/ 64 <500000000>; ++ opp-microvolt = <731000>; ++ }; ++ ++ opp-667000000 { ++ opp-hz = /bits/ 64 <667000000>; ++ opp-microvolt = <731000>; ++ }; ++ + opp-1000000000 { + opp-hz = /bits/ 64 <1000000000>; + opp-microvolt = <731000>; +@@ -56,6 +66,16 @@ + compatible = "operating-points-v2"; + opp-shared; + ++ opp-500000000 { ++ opp-hz = /bits/ 64 <500000000>; ++ opp-microvolt = <751000>; ++ }; ++ ++ opp-667000000 { ++ opp-hz = /bits/ 64 <667000000>; ++ opp-microvolt = <751000>; ++ }; ++ + opp-1000000000 { + opp-hz = /bits/ 64 <1000000000>; + opp-microvolt = <771000>; diff -rupN linux.orig/arch/arm64/boot/dts/amlogic/meson-g12b.dtsi linux/arch/arm64/boot/dts/amlogic/meson-g12b.dtsi --- linux.orig/arch/arm64/boot/dts/amlogic/meson-g12b.dtsi 2023-03-22 12:34:07.000000000 +0000 +++ linux/arch/arm64/boot/dts/amlogic/meson-g12b.dtsi 2023-05-01 16:43:56.922458695 +0000