[RFC,08/11] arm64: tegra: I2C interface timings

Message ID	20240506225139.57647-9-kyarlagadda@nvidia.com
State	Not Applicable
Headers	show Return-Path: <linux-i2c+bounces-3448-incoming=patchwork.ozlabs.org@vger.kernel.org> Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.118.232 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.118.232; helo=mail.nvidia.com; pr=C From: Krishna Yarlagadda <kyarlagadda@nvidia.com> To: <linux-tegra@vger.kernel.org>, <devicetree@vger.kernel.org>, <linux-doc@vger.kernel.org>, <linux-i2c@vger.kernel.org>, <linux-mmc@vger.kernel.org>, <linux-kernel@vger.kernel.org> CC: <thierry.reding@gmail.com>, <jonathanh@nvidia.com>, <robh@kernel.org>, <krzk+dt@kernel.org>, <conor+dt@kernel.org>, <corbet@lwn.net>, <andi.shyti@kernel.org>, <wsa+renesas@sang-engineering.com>, <ulf.hansson@linaro.org>, <adrian.hunter@intel.com>, <digetx@gmail.com>, <ldewangan@nvidia.com>, <kyarlagadda@nvidia.com>, <mkumard@nvidia.com> Subject: [RFC PATCH 08/11] arm64: tegra: I2C interface timings Date: Tue, 7 May 2024 04:21:36 +0530 Message-ID: <20240506225139.57647-9-kyarlagadda@nvidia.com> In-Reply-To: <20240506225139.57647-1-kyarlagadda@nvidia.com> References: <20240506225139.57647-1-kyarlagadda@nvidia.com> Precedence: bulk MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain
Series	Introduce Tegra register config settings \| expand [RFC,00/11] Introduce Tegra register config settings [RFC,01/11] Documentation: Introduce config settings framework [RFC,02/11] soc: tegra: Add config setting framework [RFC,03/11] soc: tegra: config settings binding document [RFC,04/11] i2c: dt-bindings: configuration settings [RFC,05/11] i2c: core: Avoid config node enumeration [RFC,06/11] i2c: tegra: split clock initialization code [RFC,07/11] i2c: tegra: config settings for interface timings [RFC,08/11] arm64: tegra: I2C interface timings [RFC,09/11] sdhci: dt-bindings: configuration settings [RFC,10/11] mmc: host: tegra: config settings for timing [RFC,11/11] arm64: tegra: SDHCI timing settings

diff --git a/MAINTAINERS b/MAINTAINERS index a8c0cfd1d5a6..27ca5bd9203e 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -21996,6 +21996,7 @@ M: Thierry Reding <thierry.reding@gmail.com> R: Laxman Dewangan <ldewangan@nvidia.com> R: Krishna Yarlagadda <kyarlagadda@nvidia.com> S: Supported +F: arch/arm64/boot/dts/nvidia/tegra234*cfg.dtsi F: Documentation/devicetree/bindings/misc/nvidia,tegra-config-settings.yaml F: Documentation/misc-devices/tegra-cfg.rst F: drivers/soc/tegra/tegra-cfg.c diff --git a/arch/arm64/boot/dts/nvidia/tegra234-cfg.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-cfg.dtsi new file mode 100644 index 000000000000..832538e45797 --- /dev/null +++ b/arch/arm64/boot/dts/nvidia/tegra234-cfg.dtsi @@ -0,0 +1,446 @@ +// SPDX-License-Identifier: GPL-2.0-only + +/ { + bus@0 { + i2c@3160000 { + config { + + common { + nvidia,i2c-hs-sclk-high-period = <0x03>; + nvidia,i2c-hs-sclk-low-period = <0x08>; + }; + + fast { + nvidia,i2c-clk-divisor-fs-mode = <0x3c>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + }; + + fastplus { + nvidia,i2c-clk-divisor-fs-mode = <0x16>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + }; + + high { + nvidia,i2c-clk-divisor-fs-mode = <0x16>; + nvidia,i2c-clk-divisor-hs-mode = <0x02>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + nvidia,i2c-hs-stop-setup-time = <0x09>; + nvidia,i2c-hs-start-hold-time = <0x09>; + nvidia,i2c-hs-start-setup-time = <0x09>; + }; + + standard { + nvidia,i2c-clk-divisor-fs-mode = <0x4f>; + nvidia,i2c-sclk-high-period = <0x07>; + nvidia,i2c-sclk-low-period = <0x08>; + nvidia,i2c-bus-free-time = <0x08>; + nvidia,i2c-stop-setup-time = <0x08>; + nvidia,i2c-start-hold-time = <0x08>; + nvidia,i2c-start-setup-time = <0x08>; + }; + + }; + }; + + i2c@3180000 { + config { + + common { + nvidia,i2c-hs-sclk-high-period = <0x03>; + nvidia,i2c-hs-sclk-low-period = <0x08>; + }; + + fast { + nvidia,i2c-clk-divisor-fs-mode = <0x3c>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + }; + + fastplus { + nvidia,i2c-clk-divisor-fs-mode = <0x16>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + }; + + high { + nvidia,i2c-clk-divisor-fs-mode = <0x16>; + nvidia,i2c-clk-divisor-hs-mode = <0x02>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + nvidia,i2c-hs-stop-setup-time = <0x09>; + nvidia,i2c-hs-start-hold-time = <0x09>; + nvidia,i2c-hs-start-setup-time = <0x09>; + }; + + standard { + nvidia,i2c-clk-divisor-fs-mode = <0x4f>; + nvidia,i2c-sclk-high-period = <0x07>; + nvidia,i2c-sclk-low-period = <0x08>; + nvidia,i2c-bus-free-time = <0x08>; + nvidia,i2c-stop-setup-time = <0x08>; + nvidia,i2c-start-hold-time = <0x08>; + nvidia,i2c-start-setup-time = <0x08>; + }; + + }; + }; + + i2c@3190000 { + config { + + common { + nvidia,i2c-hs-sclk-high-period = <0x03>; + nvidia,i2c-hs-sclk-low-period = <0x08>; + }; + + fast { + nvidia,i2c-clk-divisor-fs-mode = <0x3c>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + }; + + fastplus { + nvidia,i2c-clk-divisor-fs-mode = <0x16>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + }; + + high { + nvidia,i2c-clk-divisor-fs-mode = <0x16>; + nvidia,i2c-clk-divisor-hs-mode = <0x02>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + nvidia,i2c-hs-stop-setup-time = <0x09>; + nvidia,i2c-hs-start-hold-time = <0x09>; + nvidia,i2c-hs-start-setup-time = <0x09>; + }; + + standard { + nvidia,i2c-clk-divisor-fs-mode = <0x4f>; + nvidia,i2c-sclk-high-period = <0x07>; + nvidia,i2c-sclk-low-period = <0x08>; + nvidia,i2c-bus-free-time = <0x08>; + nvidia,i2c-stop-setup-time = <0x08>; + nvidia,i2c-start-hold-time = <0x08>; + nvidia,i2c-start-setup-time = <0x08>; + }; + + }; + }; + + i2c@31b0000 { + config { + + common { + nvidia,i2c-hs-sclk-high-period = <0x03>; + nvidia,i2c-hs-sclk-low-period = <0x08>; + }; + + fast { + nvidia,i2c-clk-divisor-fs-mode = <0x3c>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + }; + + fastplus { + nvidia,i2c-clk-divisor-fs-mode = <0x16>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + }; + + high { + nvidia,i2c-clk-divisor-fs-mode = <0x16>; + nvidia,i2c-clk-divisor-hs-mode = <0x02>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + nvidia,i2c-hs-stop-setup-time = <0x09>; + nvidia,i2c-hs-start-hold-time = <0x09>; + nvidia,i2c-hs-start-setup-time = <0x09>; + }; + + standard { + nvidia,i2c-clk-divisor-fs-mode = <0x4f>; + nvidia,i2c-sclk-high-period = <0x07>; + nvidia,i2c-sclk-low-period = <0x08>; + nvidia,i2c-bus-free-time = <0x08>; + nvidia,i2c-stop-setup-time = <0x08>; + nvidia,i2c-start-hold-time = <0x08>; + nvidia,i2c-start-setup-time = <0x08>; + }; + + }; + }; + + i2c@31c0000 { + config { + + common { + nvidia,i2c-hs-sclk-high-period = <0x03>; + nvidia,i2c-hs-sclk-low-period = <0x08>; + }; + + fast { + nvidia,i2c-clk-divisor-fs-mode = <0x3c>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + }; + + fastplus { + nvidia,i2c-clk-divisor-fs-mode = <0x16>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + }; + + high { + nvidia,i2c-clk-divisor-fs-mode = <0x16>; + nvidia,i2c-clk-divisor-hs-mode = <0x02>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + nvidia,i2c-hs-stop-setup-time = <0x09>; + nvidia,i2c-hs-start-hold-time = <0x09>; + nvidia,i2c-hs-start-setup-time = <0x09>; + }; + + standard { + nvidia,i2c-clk-divisor-fs-mode = <0x4f>; + nvidia,i2c-sclk-high-period = <0x07>; + nvidia,i2c-sclk-low-period = <0x08>; + nvidia,i2c-bus-free-time = <0x08>; + nvidia,i2c-stop-setup-time = <0x08>; + nvidia,i2c-start-hold-time = <0x08>; + nvidia,i2c-start-setup-time = <0x08>; + }; + + }; + }; + + i2c@31e0000 { + config { + + common { + nvidia,i2c-hs-sclk-high-period = <0x03>; + nvidia,i2c-hs-sclk-low-period = <0x08>; + }; + + fast { + nvidia,i2c-clk-divisor-fs-mode = <0x3c>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + }; + + fastplus { + nvidia,i2c-clk-divisor-fs-mode = <0x16>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + }; + + high { + nvidia,i2c-clk-divisor-fs-mode = <0x16>; + nvidia,i2c-clk-divisor-hs-mode = <0x02>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + nvidia,i2c-hs-stop-setup-time = <0x09>; + nvidia,i2c-hs-start-hold-time = <0x09>; + nvidia,i2c-hs-start-setup-time = <0x09>; + }; + + standard { + nvidia,i2c-clk-divisor-fs-mode = <0x4f>; + nvidia,i2c-sclk-high-period = <0x07>; + nvidia,i2c-sclk-low-period = <0x08>; + nvidia,i2c-bus-free-time = <0x08>; + nvidia,i2c-stop-setup-time = <0x08>; + nvidia,i2c-start-hold-time = <0x08>; + nvidia,i2c-start-setup-time = <0x08>; + }; + + }; + }; + + i2c@c240000 { + config { + + common { + nvidia,i2c-hs-sclk-high-period = <0x03>; + nvidia,i2c-hs-sclk-low-period = <0x08>; + }; + + fast { + nvidia,i2c-clk-divisor-fs-mode = <0x3c>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + }; + + fastplus { + nvidia,i2c-clk-divisor-fs-mode = <0x16>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + }; + + high { + nvidia,i2c-clk-divisor-fs-mode = <0x16>; + nvidia,i2c-clk-divisor-hs-mode = <0x02>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + nvidia,i2c-hs-stop-setup-time = <0x09>; + nvidia,i2c-hs-start-hold-time = <0x09>; + nvidia,i2c-hs-start-setup-time = <0x09>; + }; + + standard { + nvidia,i2c-clk-divisor-fs-mode = <0x4f>; + nvidia,i2c-sclk-high-period = <0x07>; + nvidia,i2c-sclk-low-period = <0x08>; + nvidia,i2c-bus-free-time = <0x08>; + nvidia,i2c-stop-setup-time = <0x08>; + nvidia,i2c-start-hold-time = <0x08>; + nvidia,i2c-start-setup-time = <0x08>; + }; + + }; + }; + + i2c@c250000 { + config { + + common { + nvidia,i2c-hs-sclk-high-period = <0x03>; + nvidia,i2c-hs-sclk-low-period = <0x08>; + }; + + fast { + nvidia,i2c-clk-divisor-fs-mode = <0x3c>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + }; + + fastplus { + nvidia,i2c-clk-divisor-fs-mode = <0x16>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + }; + + high { + nvidia,i2c-clk-divisor-fs-mode = <0x16>; + nvidia,i2c-clk-divisor-hs-mode = <0x02>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + nvidia,i2c-hs-stop-setup-time = <0x09>; + nvidia,i2c-hs-start-hold-time = <0x09>; + nvidia,i2c-hs-start-setup-time = <0x09>; + }; + + standard { + nvidia,i2c-clk-divisor-fs-mode = <0x4f>; + nvidia,i2c-sclk-high-period = <0x07>; + nvidia,i2c-sclk-low-period = <0x08>; + nvidia,i2c-bus-free-time = <0x08>; + nvidia,i2c-stop-setup-time = <0x08>; + nvidia,i2c-start-hold-time = <0x08>; + nvidia,i2c-start-setup-time = <0x08>; + }; + + }; + }; + + }; +}; diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000-cfg.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000-cfg.dtsi new file mode 100644 index 000000000000..3eb13c06d34d --- /dev/null +++ b/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000-cfg.dtsi @@ -0,0 +1,123 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include "tegra234-cfg.dtsi" + +/ { + bus@0 { + i2c@3160000 { + config { + fast { + nvidia,i2c-clk-divisor-fs-mode = <0x3c>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + }; + fastplus { + nvidia,i2c-clk-divisor-fs-mode = <0x16>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + }; + }; + }; + + i2c@3180000 { + config { + fastplus { + nvidia,i2c-clk-divisor-fs-mode = <0x16>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + }; + standard { + nvidia,i2c-clk-divisor-fs-mode = <0x4f>; + nvidia,i2c-sclk-high-period = <0x07>; + nvidia,i2c-sclk-low-period = <0x08>; + nvidia,i2c-bus-free-time = <0x08>; + nvidia,i2c-stop-setup-time = <0x08>; + nvidia,i2c-start-hold-time = <0x08>; + nvidia,i2c-start-setup-time = <0x08>; + }; + }; + }; + + i2c@3190000 { + config { + fast { + nvidia,i2c-clk-divisor-fs-mode = <0x3c>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + }; + }; + }; + + i2c@31c0000 { + config { + fast { + nvidia,i2c-clk-divisor-fs-mode = <0x3c>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + }; + }; + }; + + i2c@31e0000 { + config { + fast { + nvidia,i2c-clk-divisor-fs-mode = <0x3c>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + }; + }; + }; + + i2c@c240000 { + config { + fastplus { + nvidia,i2c-clk-divisor-fs-mode = <0x16>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + }; + }; + }; + + i2c@c250000 { + config { + fastplus { + nvidia,i2c-clk-divisor-fs-mode = <0x16>; + nvidia,i2c-sclk-high-period = <0x02>; + nvidia,i2c-sclk-low-period = <0x02>; + nvidia,i2c-bus-free-time = <0x02>; + nvidia,i2c-stop-setup-time = <0x02>; + nvidia,i2c-start-hold-time = <0x02>; + nvidia,i2c-start-setup-time = <0x02>; + }; + }; + }; + }; +}; diff --git a/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi b/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi index cb792041fc62..71506c51a5ea 100644 --- a/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi +++ b/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000.dtsi @@ -2,6 +2,7 @@ #include "tegra234.dtsi" #include "tegra234-p3701.dtsi" +#include "tegra234-p3701-0000-cfg.dtsi" / { model = "NVIDIA Jetson AGX Orin";

[RFC,08/11] arm64: tegra: I2C interface timings

Commit Message

Patch