[PATCH 1/6] ARM/dts: omap4-panda: Add pinmux configuration for HDMI

Tomi Valkeinen tomi.valkeinen at ti.com
Mon Nov 5 08:17:27 EST 2012


Hi Ricardo,

On 2012-11-05 15:14, Tomi Valkeinen wrote:
> From: Ricardo Neri <ricardo.neri at ti.com>
> 
> Add the pinmux configuration for HDMI and TPD12S015A. Configure the
> gpios for the TPD12S015A and SDA, SCL and CEC for HDMI.
> 
> Signed-off-by: Ricardo Neri <ricardo.neri at ti.com>
> Signed-off-by: Tomi Valkeinen <tomi.valkeinen at ti.com>
> ---
>  arch/arm/boot/dts/omap4-panda-a4.dts |   17 +++++++++++++++++
>  arch/arm/boot/dts/omap4-panda.dts    |   18 ++++++++++++++++++
>  arch/arm/boot/dts/omap4-pandaES.dts  |    9 +++++++++
>  3 files changed, 44 insertions(+)
>  create mode 100644 arch/arm/boot/dts/omap4-panda-a4.dts

Ricardo, I modified this and the other dts patch to add new .dts files
for the board revisions with external pull on the SCL/SDA lines. Can you
verify that these are correct?

 Tomi

> diff --git a/arch/arm/boot/dts/omap4-panda-a4.dts b/arch/arm/boot/dts/omap4-panda-a4.dts
> new file mode 100644
> index 0000000..75466d2
> --- /dev/null
> +++ b/arch/arm/boot/dts/omap4-panda-a4.dts
> @@ -0,0 +1,17 @@
> +/*
> + * Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
> + *
> + * This program is free software; you can redistribute it and/or modify
> + * it under the terms of the GNU General Public License version 2 as
> + * published by the Free Software Foundation.
> + */
> +/include/ "omap4-panda.dts"
> +
> +/* Pandaboard Rev A4+ have external pullups on SCL & SDA */
> +&dss_hdmi_pins {
> +	pinctrl-single,pins = <
> +		0x5a 0x118	/* hdmi_cec.hdmi_cec INPUT PULLUP | MODE 0 */
> +		0x5c 0x100	/* hdmi_scl.hdmi_scl INPUT | MODE 0 */
> +		0x5e 0x100	/* hdmi_sda.hdmi_sda INPUT | MODE 0 */
> +		>;
> +};
> diff --git a/arch/arm/boot/dts/omap4-panda.dts b/arch/arm/boot/dts/omap4-panda.dts
> index e8f927c..8060f5b 100644
> --- a/arch/arm/boot/dts/omap4-panda.dts
> +++ b/arch/arm/boot/dts/omap4-panda.dts
> @@ -65,6 +65,8 @@
>  			&twl6040_pins
>  			&mcpdm_pins
>  			&mcbsp1_pins
> +			&dss_hdmi_pins
> +			&tpd12s015_pins
>  	>;
>  
>  	twl6040_pins: pinmux_twl6040_pins {
> @@ -92,6 +94,22 @@
>  			0xc4 0x100	/* abe_mcbsp1_fsx.abe_mcbsp1_fsx INPUT | MODE0 */
>  		>;
>  	};
> +
> +	dss_hdmi_pins: pinmux_dss_hdmi_pins {
> +		pinctrl-single,pins = <
> +			0x5a 0x118	/* hdmi_cec.hdmi_cec INPUT PULLUP | MODE 0 */
> +			0x5c 0x118	/* hdmi_scl.hdmi_scl INPUT PULLUP | MODE 0 */
> +			0x5e 0x118	/* hdmi_sda.hdmi_sda INPUT PULLUP | MODE 0 */
> +		>;
> +	};
> +
> +	tpd12s015_pins: pinmux_tpd12s015_pins {
> +		pinctrl-single,pins = <
> +			0x22 0x3	/* gpmc_a17.gpio_41 OUTPUT | MODE3 */
> +			0x48 0x3	/* gpmc_nbe1.gpio_60 OUTPUT | MODE3 */
> +			0x58 0x10b	/* hdmi_hpd.gpio_63 INPUT PULLDOWN | MODE3 */
> +		>;
> +	};
>  };
>  
>  &i2c1 {
> diff --git a/arch/arm/boot/dts/omap4-pandaES.dts b/arch/arm/boot/dts/omap4-pandaES.dts
> index d4ba43a..73bc1a6 100644
> --- a/arch/arm/boot/dts/omap4-pandaES.dts
> +++ b/arch/arm/boot/dts/omap4-pandaES.dts
> @@ -22,3 +22,12 @@
>  		"AFML", "Line In",
>  		"AFMR", "Line In";
>  };
> +
> +/* PandaboardES has external pullups on SCL & SDA */
> +&dss_hdmi_pins {
> +	pinctrl-single,pins = <
> +		0x5a 0x118	/* hdmi_cec.hdmi_cec INPUT PULLUP | MODE 0 */
> +		0x5c 0x100	/* hdmi_scl.hdmi_scl INPUT | MODE 0 */
> +		0x5e 0x100	/* hdmi_sda.hdmi_sda INPUT | MODE 0 */
> +		>;
> +};
> 


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