[RFC,V2,08/12] arm64: tegra: I2C interface timings

Message ID	20240701151231.29425-9-kyarlagadda@nvidia.com (mailing list archive)
State	New
Headers	show Received: from NAM12-BN8-obe.outbound.protection.outlook.com (mail-bn8nam12on2083.outbound.protection.outlook.com [40.107.237.83]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A819516DEDF; Mon, 1 Jul 2024 15:13:46 +0000 (UTC) Received-SPF: Pass (protection.outlook.com: domain of nvidia.com designates 216.228.118.233 as permitted sender) receiver=protection.outlook.com; client-ip=216.228.118.233; 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 V2 08/12] arm64: tegra: I2C interface timings Date: Mon, 1 Jul 2024 20:42:26 +0530 Message-ID: <20240701151231.29425-9-kyarlagadda@nvidia.com> In-Reply-To: <20240701151231.29425-1-kyarlagadda@nvidia.com> References: <20240701151231.29425-1-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,V2,00/12] Introduce Tegra register config settings [RFC,V2,01/12] Documentation: Introduce config settings framework [RFC,V2,02/12] dt-bindings: misc: Tegra configuration settings [RFC,V2,03/12] soc: tegra: Add config setting framework [RFC,V2,04/12] dt-bindings: misc: tegra-i2c: config settings [RFC,V2,05/12] dt-bindings: i2c: tegra-i2c: reference to config [RFC,V2,06/12] i2c: tegra: split clock initialization code [RFC,V2,07/12] i2c: tegra: config settings for interface timings [RFC,V2,08/12] arm64: tegra: I2C interface timings [RFC,V2,09/12] dt-bindings: misc: tegra-sdhci: config settings [RFC,V2,10/12] dt-bindings: mmc: tegra-sdhci: reference to config [RFC,V2,11/12] mmc: host: tegra: config settings for timing [RFC,V2,12/12] arm64: tegra: SDHCI timing settings

diff --git a/MAINTAINERS b/MAINTAINERS index 23e79a878f2a..99495e159e70 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -22260,6 +22260,7 @@ 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..7e5b9c10c617 --- /dev/null +++ b/arch/arm64/boot/dts/nvidia/tegra234-cfg.dtsi @@ -0,0 +1,465 @@ +// SPDX-License-Identifier: GPL-2.0-only + +/ { + configsettings { + configi2c1: config-i2c3160000 { + + i2c-common-cfg { + nvidia,i2c-hs-sclk-high-period = <0x03>; + nvidia,i2c-hs-sclk-low-period = <0x08>; + }; + + i2c-fast-cfg { + 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-fastplus-cfg { + 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-high-cfg { + 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>; + }; + + i2c-standard-cfg { + 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>; + }; + + }; + + configi2c2: config-i2c3180000 { + + i2c-common-cfg { + nvidia,i2c-hs-sclk-high-period = <0x03>; + nvidia,i2c-hs-sclk-low-period = <0x08>; + }; + + i2c-fast-cfg { + 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-fastplus-cfg { + 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-high-cfg { + 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>; + }; + + i2c-standard-cfg { + 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>; + }; + + }; + + configi2c3: config-i2c3190000 { + + i2c-common-cfg { + nvidia,i2c-hs-sclk-high-period = <0x03>; + nvidia,i2c-hs-sclk-low-period = <0x08>; + }; + + i2c-fast-cfg { + 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-fastplus-cfg { + 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-high-cfg { + 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>; + }; + + i2c-standard-cfg { + 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>; + }; + + }; + + configi2c4: config-i2c31b0000 { + + i2c-common-cfg { + nvidia,i2c-hs-sclk-high-period = <0x03>; + nvidia,i2c-hs-sclk-low-period = <0x08>; + }; + + i2c-fast-cfg { + 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-fastplus-cfg { + 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-high-cfg { + 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>; + }; + + i2c-standard-cfg { + 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>; + }; + + }; + + configi2c5: config-i2c31c0000 { + + i2c-common-cfg { + nvidia,i2c-hs-sclk-high-period = <0x03>; + nvidia,i2c-hs-sclk-low-period = <0x08>; + }; + + i2c-fast-cfg { + 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-fastplus-cfg { + 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-high-cfg { + 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>; + }; + + i2c-standard-cfg { + 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>; + }; + + }; + + configi2c6: config-i2c31e0000 { + + i2c-common-cfg { + nvidia,i2c-hs-sclk-high-period = <0x03>; + nvidia,i2c-hs-sclk-low-period = <0x08>; + }; + + i2c-fast-cfg { + 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-fastplus-cfg { + 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-high-cfg { + 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>; + }; + + i2c-standard-cfg { + 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>; + }; + + }; + + configi2c7: config-i2cc240000 { + + i2c-common-cfg { + nvidia,i2c-hs-sclk-high-period = <0x03>; + nvidia,i2c-hs-sclk-low-period = <0x08>; + }; + + i2c-fast-cfg { + 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-fastplus-cfg { + 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-high-cfg { + 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>; + }; + + i2c-standard-cfg { + 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>; + }; + + }; + + configi2c8: config-i2cc250000 { + + i2c-common-cfg { + nvidia,i2c-hs-sclk-high-period = <0x03>; + nvidia,i2c-hs-sclk-low-period = <0x08>; + }; + + i2c-fast-cfg { + 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-fastplus-cfg { + 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-high-cfg { + 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>; + }; + + i2c-standard-cfg { + 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>; + }; + + }; + + }; + + bus@0 { + i2c@3160000 { + config-settings = <&configi2c1>; + }; + + i2c@3180000 { + config-settings = <&configi2c2>; + }; + + i2c@3190000 { + config-settings = <&configi2c3>; + }; + + i2c@31b0000 { + config-settings = <&configi2c4>; + }; + + i2c@31c0000 { + config-settings = <&configi2c5>; + }; + + i2c@31e0000 { + config-settings = <&configi2c6>; + }; + + i2c@c240000 { + config-settings = <&configi2c7>; + }; + + i2c@c250000 { + config-settings = <&configi2c8>; + }; + + }; +}; 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..72ce8ee5a57f --- /dev/null +++ b/arch/arm64/boot/dts/nvidia/tegra234-p3701-0000-cfg.dtsi @@ -0,0 +1,107 @@ +// SPDX-License-Identifier: GPL-2.0-only + +#include "tegra234-cfg.dtsi" + +/ { + config-i2c3160000 { + i2c-fast-cfg { + 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-fastplus-cfg { + 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>; + }; + }; + + config-i2c3180000 { + i2c-fastplus-cfg { + 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-standard-cfg { + 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>; + }; + }; + + config-i2c3190000 { + i2c-fast-cfg { + 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>; + }; + }; + + config-i2c31c0000 { + i2c-fast-cfg { + 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>; + }; + }; + + config-i2c31e0000 { + i2c-fast-cfg { + 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>; + }; + }; + + config-i2cc240000 { + i2c-fastplus-cfg { + 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>; + }; + }; + + config-i2cc250000 { + i2c-fastplus-cfg { + 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,V2,08/12] arm64: tegra: I2C interface timings

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Patch