Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756596Ab2JYGxO (ORCPT ); Thu, 25 Oct 2012 02:53:14 -0400 Received: from hqemgate04.nvidia.com ([216.228.121.35]:18856 "EHLO hqemgate04.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754066Ab2JYGxN (ORCPT ); Thu, 25 Oct 2012 02:53:13 -0400 X-PGP-Universal: processed; by hqnvupgp08.nvidia.com on Wed, 24 Oct 2012 23:53:05 -0700 From: Mark Zhang To: CC: , , , , Mark Zhang Subject: [PATCH V2] ARM: dt: tegra: ventana: define pinmux for ddc Date: Thu, 25 Oct 2012 14:52:30 +0800 Message-ID: <1351147951-19706-1-git-send-email-markz@nvidia.com> X-Mailer: git-send-email 1.7.9.5 X-NVConfidentiality: public MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2854 Lines: 126 Tegra 2's I2C2 controller can be routed to either the PTA or DDC pin group on Ventana. So: - Remove the HDMI function definition of pta pingroup - Define child i2c adapters(ddc & pta) for I2C2 controller Signed-off-by: Mark Zhang --- arch/arm/boot/dts/tegra20-ventana.dts | 69 ++++++++++++++++++++++++++++++--- 1 file changed, 63 insertions(+), 6 deletions(-) diff --git a/arch/arm/boot/dts/tegra20-ventana.dts b/arch/arm/boot/dts/tegra20-ventana.dts index bec8bb2..1dde0d3 100644 --- a/arch/arm/boot/dts/tegra20-ventana.dts +++ b/arch/arm/boot/dts/tegra20-ventana.dts @@ -64,11 +64,6 @@ nvidia,pins = "dap4"; nvidia,function = "dap4"; }; - ddc { - nvidia,pins = "ddc", "owc", "spdi", "spdo", - "uac"; - nvidia,function = "rsvd2"; - }; dta { nvidia,pins = "dta", "dtb", "dtc", "dtd", "dte"; nvidia,function = "vi"; @@ -98,7 +93,7 @@ nvidia,function = "pcie"; }; hdint { - nvidia,pins = "hdint", "pta"; + nvidia,pins = "hdint"; nvidia,function = "hdmi"; }; i2cp { @@ -129,6 +124,10 @@ "lspi", "lvp1", "lvs"; nvidia,function = "displaya"; }; + owc { + nvidia,pins = "owc", "spdi", "spdo", "uac"; + nvidia,function = "rsvd2"; + }; pmc { nvidia,pins = "pmc"; nvidia,function = "pwr_on"; @@ -248,6 +247,39 @@ nvidia,slew-rate-falling = <3>; }; }; + + state_i2cmux_ddc: pinmux_i2cmux_ddc { + ddc { + nvidia,pins = "ddc"; + nvidia,function = "i2c2"; + }; + pta { + nvidia,pins = "pta"; + nvidia,function = "rsvd4"; + }; + }; + + state_i2cmux_pta: pinmux_i2cmux_pta { + ddc { + nvidia,pins = "ddc"; + nvidia,function = "rsvd4"; + }; + pta { + nvidia,pins = "pta"; + nvidia,function = "i2c2"; + }; + }; + + state_i2cmux_idle: pinmux_i2cmux_idle { + ddc { + nvidia,pins = "ddc"; + nvidia,function = "rsvd4"; + }; + pta { + nvidia,pins = "pta"; + nvidia,function = "rsvd4"; + }; + }; }; i2s@70002800 { @@ -291,6 +323,31 @@ clock-frequency = <400000>; }; + i2cmux { + compatible = "i2c-mux-pinctrl"; + #address-cells = <1>; + #size-cells = <0>; + + i2c-parent = <&{/i2c@7000c400}>; + + pinctrl-names = "ddc", "pta", "idle"; + pinctrl-0 = <&state_i2cmux_ddc>; + pinctrl-1 = <&state_i2cmux_pta>; + pinctrl-2 = <&state_i2cmux_idle>; + + i2c@0 { + reg = <0>; + #address-cells = <1>; + #size-cells = <0>; + }; + + i2c@1 { + reg = <1>; + #address-cells = <1>; + #size-cells = <0>; + }; + }; + i2c@7000c500 { status = "okay"; clock-frequency = <400000>; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/