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Date: Tue, 16 Jul 2019 18:00:54 +0900
From: Chanwoo Choi <cw00.choi@...sung.com>
To: Kamil Konieczny <k.konieczny@...tner.samsung.com>
Cc: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
Marek Szyprowski <m.szyprowski@...sung.com>,
Krzysztof Kozlowski <krzk@...nel.org>,
Kukjin Kim <kgene@...nel.org>,
Kyungmin Park <kyungmin.park@...sung.com>,
Mark Rutland <mark.rutland@....com>,
MyungJoo Ham <myungjoo.ham@...sung.com>,
Nishanth Menon <nm@...com>, Rob Herring <robh+dt@...nel.org>,
Stephen Boyd <sboyd@...nel.org>,
Viresh Kumar <vireshk@...nel.org>, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-pm@...r.kernel.org, linux-samsung-soc@...r.kernel.org
Subject: Re: [PATCH v2 3/4] ARM: dts: exynos: add initial data for coupled
regulators for Exynos5422/5800
Hi,
On 19. 7. 15. 오후 9:04, Kamil Konieczny wrote:
> Declare Exynos5422/5800 voltage ranges for opp points for big cpu core and
> bus wcore and couple their voltage supllies as vdd_arm and vdd_int should
> be in 300mV range.
>
> Signed-off-by: Marek Szyprowski <m.szyprowski@...sung.com>
> Signed-off-by: Kamil Konieczny <k.konieczny@...tner.samsung.com>
> ---
> arch/arm/boot/dts/exynos5420.dtsi | 34 +++++++++----------
> arch/arm/boot/dts/exynos5422-odroid-core.dtsi | 4 +++
> arch/arm/boot/dts/exynos5800-peach-pi.dts | 4 +++
> arch/arm/boot/dts/exynos5800.dtsi | 32 ++++++++---------
> 4 files changed, 41 insertions(+), 33 deletions(-)
Reviewed-by: Chanwoo Choi <cw00.choi@...sung.com>
>
> diff --git a/arch/arm/boot/dts/exynos5420.dtsi b/arch/arm/boot/dts/exynos5420.dtsi
> index 5fb2326875dc..0cbf74750553 100644
> --- a/arch/arm/boot/dts/exynos5420.dtsi
> +++ b/arch/arm/boot/dts/exynos5420.dtsi
> @@ -48,62 +48,62 @@
> opp-shared;
> opp-1800000000 {
> opp-hz = /bits/ 64 <1800000000>;
> - opp-microvolt = <1250000>;
> + opp-microvolt = <1250000 1250000 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-1700000000 {
> opp-hz = /bits/ 64 <1700000000>;
> - opp-microvolt = <1212500>;
> + opp-microvolt = <1212500 1212500 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-1600000000 {
> opp-hz = /bits/ 64 <1600000000>;
> - opp-microvolt = <1175000>;
> + opp-microvolt = <1175000 1175000 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-1500000000 {
> opp-hz = /bits/ 64 <1500000000>;
> - opp-microvolt = <1137500>;
> + opp-microvolt = <1137500 1137500 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-1400000000 {
> opp-hz = /bits/ 64 <1400000000>;
> - opp-microvolt = <1112500>;
> + opp-microvolt = <1112500 1112500 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-1300000000 {
> opp-hz = /bits/ 64 <1300000000>;
> - opp-microvolt = <1062500>;
> + opp-microvolt = <1062500 1062500 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-1200000000 {
> opp-hz = /bits/ 64 <1200000000>;
> - opp-microvolt = <1037500>;
> + opp-microvolt = <1037500 1037500 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-1100000000 {
> opp-hz = /bits/ 64 <1100000000>;
> - opp-microvolt = <1012500>;
> + opp-microvolt = <1012500 1012500 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-1000000000 {
> opp-hz = /bits/ 64 <1000000000>;
> - opp-microvolt = < 987500>;
> + opp-microvolt = < 987500 987500 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-900000000 {
> opp-hz = /bits/ 64 <900000000>;
> - opp-microvolt = < 962500>;
> + opp-microvolt = < 962500 962500 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-800000000 {
> opp-hz = /bits/ 64 <800000000>;
> - opp-microvolt = < 937500>;
> + opp-microvolt = < 937500 937500 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-700000000 {
> opp-hz = /bits/ 64 <700000000>;
> - opp-microvolt = < 912500>;
> + opp-microvolt = < 912500 912500 1500000>;
> clock-latency-ns = <140000>;
> };
> };
> @@ -1100,23 +1100,23 @@
>
> opp00 {
> opp-hz = /bits/ 64 <84000000>;
> - opp-microvolt = <925000>;
> + opp-microvolt = <925000 925000 1400000>;
> };
> opp01 {
> opp-hz = /bits/ 64 <111000000>;
> - opp-microvolt = <950000>;
> + opp-microvolt = <950000 950000 1400000>;
> };
> opp02 {
> opp-hz = /bits/ 64 <222000000>;
> - opp-microvolt = <950000>;
> + opp-microvolt = <950000 950000 1400000>;
> };
> opp03 {
> opp-hz = /bits/ 64 <333000000>;
> - opp-microvolt = <950000>;
> + opp-microvolt = <950000 950000 1400000>;
> };
> opp04 {
> opp-hz = /bits/ 64 <400000000>;
> - opp-microvolt = <987500>;
> + opp-microvolt = <987500 987500 1400000>;
> };
> };
>
> diff --git a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
> index 25d95de15c9b..65d094256b54 100644
> --- a/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
> +++ b/arch/arm/boot/dts/exynos5422-odroid-core.dtsi
> @@ -428,6 +428,8 @@
> regulator-max-microvolt = <1500000>;
> regulator-always-on;
> regulator-boot-on;
> + regulator-coupled-with = <&buck3_reg>;
> + regulator-coupled-max-spread = <300000>;
> };
>
> buck3_reg: BUCK3 {
> @@ -436,6 +438,8 @@
> regulator-max-microvolt = <1400000>;
> regulator-always-on;
> regulator-boot-on;
> + regulator-coupled-with = <&buck2_reg>;
> + regulator-coupled-max-spread = <300000>;
> };
>
> buck4_reg: BUCK4 {
> diff --git a/arch/arm/boot/dts/exynos5800-peach-pi.dts b/arch/arm/boot/dts/exynos5800-peach-pi.dts
> index e0f470fe54c8..5c1e965ed7e9 100644
> --- a/arch/arm/boot/dts/exynos5800-peach-pi.dts
> +++ b/arch/arm/boot/dts/exynos5800-peach-pi.dts
> @@ -257,6 +257,8 @@
> regulator-always-on;
> regulator-boot-on;
> regulator-ramp-delay = <12500>;
> + regulator-coupled-with = <&buck3_reg>;
> + regulator-coupled-max-spread = <300000>;
> regulator-state-mem {
> regulator-off-in-suspend;
> };
> @@ -269,6 +271,8 @@
> regulator-always-on;
> regulator-boot-on;
> regulator-ramp-delay = <12500>;
> + regulator-coupled-with = <&buck2_reg>;
> + regulator-coupled-max-spread = <300000>;
> regulator-state-mem {
> regulator-off-in-suspend;
> };
> diff --git a/arch/arm/boot/dts/exynos5800.dtsi b/arch/arm/boot/dts/exynos5800.dtsi
> index 57d3b319fd65..2a74735d161c 100644
> --- a/arch/arm/boot/dts/exynos5800.dtsi
> +++ b/arch/arm/boot/dts/exynos5800.dtsi
> @@ -22,61 +22,61 @@
>
> &cluster_a15_opp_table {
> opp-1700000000 {
> - opp-microvolt = <1250000>;
> + opp-microvolt = <1250000 1250000 1500000>;
> };
> opp-1600000000 {
> - opp-microvolt = <1250000>;
> + opp-microvolt = <1250000 1250000 1500000>;
> };
> opp-1500000000 {
> - opp-microvolt = <1100000>;
> + opp-microvolt = <1100000 1100000 1500000>;
> };
> opp-1400000000 {
> - opp-microvolt = <1100000>;
> + opp-microvolt = <1100000 1100000 1500000>;
> };
> opp-1300000000 {
> - opp-microvolt = <1100000>;
> + opp-microvolt = <1100000 1100000 1500000>;
> };
> opp-1200000000 {
> - opp-microvolt = <1000000>;
> + opp-microvolt = <1000000 1000000 1500000>;
> };
> opp-1100000000 {
> - opp-microvolt = <1000000>;
> + opp-microvolt = <1000000 1000000 1500000>;
> };
> opp-1000000000 {
> - opp-microvolt = <1000000>;
> + opp-microvolt = <1000000 1000000 1500000>;
> };
> opp-900000000 {
> - opp-microvolt = <1000000>;
> + opp-microvolt = <1000000 1000000 1500000>;
> };
> opp-800000000 {
> - opp-microvolt = <900000>;
> + opp-microvolt = <900000 900000 1500000>;
> };
> opp-700000000 {
> - opp-microvolt = <900000>;
> + opp-microvolt = <900000 900000 1500000>;
> };
> opp-600000000 {
> opp-hz = /bits/ 64 <600000000>;
> - opp-microvolt = <900000>;
> + opp-microvolt = <900000 900000 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-500000000 {
> opp-hz = /bits/ 64 <500000000>;
> - opp-microvolt = <900000>;
> + opp-microvolt = <900000 900000 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-400000000 {
> opp-hz = /bits/ 64 <400000000>;
> - opp-microvolt = <900000>;
> + opp-microvolt = <900000 900000 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-300000000 {
> opp-hz = /bits/ 64 <300000000>;
> - opp-microvolt = <900000>;
> + opp-microvolt = <900000 900000 1500000>;
> clock-latency-ns = <140000>;
> };
> opp-200000000 {
> opp-hz = /bits/ 64 <200000000>;
> - opp-microvolt = <900000>;
> + opp-microvolt = <900000 900000 1500000>;
> clock-latency-ns = <140000>;
> };
> };
>
--
Best Regards,
Chanwoo Choi
Samsung Electronics
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