From patchwork Thu Apr 2 13:29:12 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vignesh Raghavendra X-Patchwork-Id: 237115 List-Id: U-Boot discussion From: vigneshr at ti.com (Vignesh Raghavendra) Date: Thu, 2 Apr 2020 18:59:12 +0530 Subject: [PATCH 1/2] arm: dts: k3-am654: Increase OSPI default frequency to 50MHz Message-ID: <20200402132913.23245-1-vigneshr@ti.com> In 1 bit mode OSPI can work at upto 50MHz, this provides before write performance. Therefore increase frequency from 40MHz to 50MHz Signed-off-by: Vignesh Raghavendra --- arch/arm/dts/k3-am654-base-board.dts | 2 +- arch/arm/dts/k3-am654-r5-base-board.dts | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/dts/k3-am654-base-board.dts b/arch/arm/dts/k3-am654-base-board.dts index 5058b6c88e96..3ebf4af5e47a 100644 --- a/arch/arm/dts/k3-am654-base-board.dts +++ b/arch/arm/dts/k3-am654-base-board.dts @@ -191,7 +191,7 @@ reg = <0x0>; spi-tx-bus-width = <1>; spi-rx-bus-width = <8>; - spi-max-frequency = <40000000>; + spi-max-frequency = <50000000>; cdns,tshsl-ns = <60>; cdns,tsd2d-ns = <60>; cdns,tchsh-ns = <60>; diff --git a/arch/arm/dts/k3-am654-r5-base-board.dts b/arch/arm/dts/k3-am654-r5-base-board.dts index 257b56a1b032..e6b78643c197 100644 --- a/arch/arm/dts/k3-am654-r5-base-board.dts +++ b/arch/arm/dts/k3-am654-r5-base-board.dts @@ -268,7 +268,7 @@ reg = <0x0>; spi-tx-bus-width = <1>; spi-rx-bus-width = <8>; - spi-max-frequency = <40000000>; + spi-max-frequency = <50000000>; cdns,tshsl-ns = <60>; cdns,tsd2d-ns = <60>; cdns,tchsh-ns = <60>; From patchwork Thu Apr 2 13:29:13 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vignesh Raghavendra X-Patchwork-Id: 237116 List-Id: U-Boot discussion From: vigneshr at ti.com (Vignesh Raghavendra) Date: Thu, 2 Apr 2020 18:59:13 +0530 Subject: [PATCH 2/2] arm: dts: k3-j721e: Increase OSPI default frequency to 50MHz In-Reply-To: <20200402132913.23245-1-vigneshr@ti.com> References: <20200402132913.23245-1-vigneshr@ti.com> Message-ID: <20200402132913.23245-2-vigneshr@ti.com> In 1 bit mode OSPI can work at upto 50MHz, this provides before write performance. Therefore increase frequency from 40MHz to 50MHz Signed-off-by: Vignesh Raghavendra --- arch/arm/dts/k3-j721e-r5-common-proc-board.dts | 2 +- arch/arm/dts/k3-j721e-som-p0.dtsi | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/dts/k3-j721e-r5-common-proc-board.dts b/arch/arm/dts/k3-j721e-r5-common-proc-board.dts index 403b158f4900..2dde65d9681d 100644 --- a/arch/arm/dts/k3-j721e-r5-common-proc-board.dts +++ b/arch/arm/dts/k3-j721e-r5-common-proc-board.dts @@ -309,7 +309,7 @@ reg = <0x0>; spi-tx-bus-width = <1>; spi-rx-bus-width = <8>; - spi-max-frequency = <40000000>; + spi-max-frequency = <50000000>; cdns,tshsl-ns = <60>; cdns,tsd2d-ns = <60>; cdns,tchsh-ns = <60>; diff --git a/arch/arm/dts/k3-j721e-som-p0.dtsi b/arch/arm/dts/k3-j721e-som-p0.dtsi index 8497ff3e3e12..946de9c3fc69 100644 --- a/arch/arm/dts/k3-j721e-som-p0.dtsi +++ b/arch/arm/dts/k3-j721e-som-p0.dtsi @@ -87,7 +87,7 @@ reg = <0x0>; spi-tx-bus-width = <1>; spi-rx-bus-width = <8>; - spi-max-frequency = <40000000>; + spi-max-frequency = <50000000>; cdns,tshsl-ns = <60>; cdns,tsd2d-ns = <60>; cdns,tchsh-ns = <60>;