From 876c5d891c9d7442d2734871317bc6480cd9f80e Mon Sep 17 00:00:00 2001 From: =?utf8?q?C=C3=A9dric=20Le=20Goater?= Date: Fri, 22 Jun 2018 09:09:36 +0200 Subject: [PATCH] ARM: dts: aspeed: Add "spi-max-frequency" property MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Keep the FMC controller chips at a safe 50 MHz rate and use 100 MHz for the PNOR on the machines using a AST2500 SoC. Signed-off-by: Cédric Le Goater Reviewed-by: Andrew Jeffery Signed-off-by: Joel Stanley --- arch/arm/boot/dts/aspeed-ast2500-evb.dts | 2 ++ arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts | 2 ++ arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts | 2 ++ arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts | 4 +++- arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts | 2 ++ arch/arm/boot/dts/aspeed-g4.dtsi | 2 ++ arch/arm/boot/dts/aspeed-g5.dtsi | 7 +++++++ 7 files changed, 20 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/aspeed-ast2500-evb.dts b/arch/arm/boot/dts/aspeed-ast2500-evb.dts index c9d88c90135e..8bec21ed0de5 100644 --- a/arch/arm/boot/dts/aspeed-ast2500-evb.dts +++ b/arch/arm/boot/dts/aspeed-ast2500-evb.dts @@ -40,6 +40,7 @@ status = "okay"; m25p,fast-read; label = "bmc"; + spi-max-frequency = <50000000>; #include "openbmc-flash-layout.dtsi" }; }; @@ -50,6 +51,7 @@ status = "okay"; m25p,fast-read; label = "pnor"; + spi-max-frequency = <100000000>; }; }; diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts b/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts index b0cb34ccb135..eb4e93a57ff4 100644 --- a/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts +++ b/arch/arm/boot/dts/aspeed-bmc-opp-palmetto.dts @@ -87,6 +87,7 @@ status = "okay"; m25p,fast-read; label = "bmc"; + spi-max-frequency = <50000000>; #include "openbmc-flash-layout.dtsi" }; }; @@ -99,6 +100,7 @@ flash@0 { status = "okay"; m25p,fast-read; + spi-max-frequency = <50000000>; label = "pnor"; }; }; diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts b/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts index 9628ecb879cf..bb513f245a5e 100644 --- a/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts +++ b/arch/arm/boot/dts/aspeed-bmc-opp-romulus.dts @@ -112,6 +112,7 @@ status = "okay"; m25p,fast-read; label = "bmc"; + spi-max-frequency = <50000000>; #include "openbmc-flash-layout.dtsi" }; }; @@ -125,6 +126,7 @@ status = "okay"; m25p,fast-read; label = "pnor"; + spi-max-frequency = <100000000>; }; }; diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts b/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts index 31ea34e14c79..bf30fbdbe8f3 100644 --- a/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts +++ b/arch/arm/boot/dts/aspeed-bmc-opp-witherspoon.dts @@ -200,6 +200,7 @@ status = "okay"; label = "bmc"; m25p,fast-read; + spi-max-frequency = <50000000>; partitions { #address-cells = < 1 >; @@ -224,6 +225,7 @@ status = "okay"; label = "alt-bmc"; m25p,fast-read; + spi-max-frequency = <50000000>; partitions { #address-cells = < 1 >; @@ -242,7 +244,6 @@ label = "alt-obmc-ubi"; }; }; - }; }; @@ -255,6 +256,7 @@ status = "okay"; label = "pnor"; m25p,fast-read; + spi-max-frequency = <100000000>; }; }; diff --git a/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts b/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts index 30624378316d..3c514dfc7fee 100644 --- a/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts +++ b/arch/arm/boot/dts/aspeed-bmc-opp-zaius.dts @@ -130,6 +130,7 @@ status = "okay"; label = "bmc"; m25p,fast-read; + spi-max-frequency = <50000000>; #include "openbmc-flash-layout.dtsi" }; }; @@ -143,6 +144,7 @@ status = "okay"; label = "pnor"; m25p,fast-read; + spi-max-frequency = <100000000>; }; }; diff --git a/arch/arm/boot/dts/aspeed-g4.dtsi b/arch/arm/boot/dts/aspeed-g4.dtsi index 36df031e82d6..46c0891aac5a 100644 --- a/arch/arm/boot/dts/aspeed-g4.dtsi +++ b/arch/arm/boot/dts/aspeed-g4.dtsi @@ -65,6 +65,7 @@ flash@0 { reg = < 0 >; compatible = "jedec,spi-nor"; + spi-max-frequency = <50000000>; status = "disabled"; }; flash@1 { @@ -100,6 +101,7 @@ flash@0 { reg = < 0 >; compatible = "jedec,spi-nor"; + spi-max-frequency = <50000000>; status = "disabled"; }; }; diff --git a/arch/arm/boot/dts/aspeed-g5.dtsi b/arch/arm/boot/dts/aspeed-g5.dtsi index d9ff5bf16223..3449bcc93d7b 100644 --- a/arch/arm/boot/dts/aspeed-g5.dtsi +++ b/arch/arm/boot/dts/aspeed-g5.dtsi @@ -72,16 +72,19 @@ flash@0 { reg = < 0 >; compatible = "jedec,spi-nor"; + spi-max-frequency = <50000000>; status = "disabled"; }; flash@1 { reg = < 1 >; compatible = "jedec,spi-nor"; + spi-max-frequency = <50000000>; status = "disabled"; }; flash@2 { reg = < 2 >; compatible = "jedec,spi-nor"; + spi-max-frequency = <50000000>; status = "disabled"; }; }; @@ -97,11 +100,13 @@ flash@0 { reg = < 0 >; compatible = "jedec,spi-nor"; + spi-max-frequency = <50000000>; status = "disabled"; }; flash@1 { reg = < 1 >; compatible = "jedec,spi-nor"; + spi-max-frequency = <50000000>; status = "disabled"; }; }; @@ -117,11 +122,13 @@ flash@0 { reg = < 0 >; compatible = "jedec,spi-nor"; + spi-max-frequency = <50000000>; status = "disabled"; }; flash@1 { reg = < 1 >; compatible = "jedec,spi-nor"; + spi-max-frequency = <50000000>; status = "disabled"; }; }; -- 2.30.2