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From: Stephen Warren <swarren@wwwdotorg.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] [PATCH v2 2/3] Tegra114: fdt: Update DT files with I2C info for T114/Dalmore
Date: Wed, 06 Feb 2013 17:00:19 -0700	[thread overview]
Message-ID: <5112EE93.3070407@wwwdotorg.org> (raw)
In-Reply-To: <1360193208-16055-3-git-send-email-twarren@nvidia.com>

On 02/06/2013 04:26 PM, Tom Warren wrote:
> Note that T114 does not have a separate/different DVC (power I2C)
> controller like T20 - all 5 I2C controllers are identical, but
> I2C5 is used to designate the controller intended for power
> control (PWR_I2C in the schematics).

> diff --git a/arch/arm/dts/tegra114.dtsi b/arch/arm/dts/tegra114.dtsi

> +	tegra_car: clock at 60006000 {
> +		compatible = "nvidia,tegra114-car, nvidia,tegra30-car";

Only the Tegra114 value should be listed here; the presence of the
Tegra30 value in the upstream kernel is a mistake that will be fixed as
part of the Tegra114 clock driver patches.

> +	i2c at 7000c000 {
> +		compatible = "nvidia,tegra114-i2c", "nvidia,tegra20-i2c";

Same here; only include the Tegra114 value since the HW isn't 100%
compatible with the Tegra20 HW.

> diff --git a/board/nvidia/dts/tegra114-dalmore.dts b/board/nvidia/dts/tegra114-dalmore.dts

> +	i2c at 7000d000 {
> +		status = "okay";
> +		clock-frequency = <100000>;
> +	};

According to our downstream Linux kernel, that I2C controller can run up
to 400KHz on this board.

  reply	other threads:[~2013-02-07  0:00 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-02-06 23:26 [U-Boot] [PATCH v2 0/3] Add I2C driver for T114 Dalmore Tom Warren
2013-02-06 23:26 ` [U-Boot] [PATCH v2 1/3] Tegra: I2C: Add T114 clock support to tegra_i2c driver Tom Warren
2013-02-06 23:50   ` Stephen Warren
2013-02-07 14:52   ` Laxman Dewangan
2013-02-08  9:15   ` Laxman Dewangan
2013-02-08 16:39     ` Tom Warren
2013-02-06 23:26 ` [U-Boot] [PATCH v2 2/3] Tegra114: fdt: Update DT files with I2C info for T114/Dalmore Tom Warren
2013-02-07  0:00   ` Stephen Warren [this message]
2013-02-07 16:14     ` Tom Warren
2013-02-07 18:17       ` Stephen Warren
2013-02-12 18:13         ` Simon Glass
2013-02-12 19:13           ` Tom Warren
2013-02-12 19:17             ` Simon Glass
2013-02-12 19:26               ` Stephen Warren
2013-02-12 19:32                 ` Simon Glass
2013-02-12 19:33                 ` Tom Warren
2013-02-07 14:57   ` Laxman Dewangan
2013-02-07 16:17     ` Tom Warren
2013-02-07 18:07       ` Stephen Warren
2013-02-07 18:14         ` Tom Warren
2013-02-07 18:20           ` Stephen Warren
2013-02-07 19:05             ` Tom Warren
2013-02-07 19:08               ` Stephen Warren
2013-02-07 19:59                 ` Tom Warren
2013-02-06 23:26 ` [U-Boot] [PATCH v2 3/3] Tegra114: I2C: Enable I2C driver on Dalmore E1611 eval board Tom Warren
2013-02-07  0:01   ` Stephen Warren
2013-02-07 14:58   ` Laxman Dewangan

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