linux-kernel - Re: [PATCH 1/1] ARM: dts: meson8b: odroidc1: add the GPIO line names

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Date:   Tue, 21 May 2019 10:38:51 +0200
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Martin Blumenstingl <martin.blumenstingl@...glemail.com>,
        linux-amlogic@...ts.infradead.org, khilman@...libre.com
Cc:     linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 1/1] ARM: dts: meson8b: odroidc1: add the GPIO line names

On 28/03/2019 21:47, Martin Blumenstingl wrote:
> This adds the GPIO line names from the schematics to get them displayed
> in the debugfs output of each GPIO controller.
> 
> The schematics from Odroid-C1+ PCB revision 0.4 20150615 are used as
> referenced.
> 
> Signed-off-by: Martin Blumenstingl <martin.blumenstingl@...glemail.com>
> ---
>  arch/arm/boot/dts/meson8b-odroidc1.dts | 52 ++++++++++++++++++++++++++
>  1 file changed, 52 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/meson8b-odroidc1.dts b/arch/arm/boot/dts/meson8b-odroidc1.dts
> index 3b0e0f8fbc23..0157646e3a89 100644
> --- a/arch/arm/boot/dts/meson8b-odroidc1.dts
> +++ b/arch/arm/boot/dts/meson8b-odroidc1.dts
> @@ -234,7 +234,59 @@
>  	};
>  };
>  
> +&gpio {
> +	gpio-line-names = /* Bank GPIOX */
> +			  "J2 Header Pin 35", "J2 Header Pin 36",
> +			  "J2 Header Pin 32", "J2 Header Pin 31",
> +			  "J2 Header Pin 29", "J2 Header Pin 18",
> +			  "J2 Header Pin 22", "J2 Header Pin 16",
> +			  "J2 Header Pin 23", "J2 Header Pin 21",
> +			  "J2 Header Pin 19", "J2 Header Pin 33",
> +			  "J2 Header Pin 8", "J2 Header Pin 10",
> +			  "J2 Header Pin 15", "J2 Header Pin 13",
> +			  "J2 Header Pin 24", "J2 Header Pin 26",
> +			  /* Bank GPIOY */
> +			  "Revision (upper)", "Revision (lower)",
> +			  "J2 Header Pin 7", "", "J2 Header Pin 12",
> +			  "J2 Header Pin 11", "", "", "",
> +			  "TFLASH_VDD_EN", "", "",
> +			  /* Bank GPIODV */
> +			  "VCCK_PWM (PWM_C)", "I2CA_SDA", "I2CA_SCL",
> +			  "I2CB_SDA", "I2CB_SCL", "VDDEE_PWM (PWM_D)",
> +			  "",
> +			  /* Bank GPIOH */
> +			  "HDMI_HPD", "HDMI_I2C_SDA", "HDMI_I2C_SCL",
> +			  "ETH_PHY_INTR", "ETH_PHY_NRST", "ETH_TXD1",
> +			  "ETH_TXD0", "ETH_TXD3", "ETH_TXD2",
> +			  "ETH_RGMII_TX_CLK",
> +			  /* Bank CARD */
> +			  "SD_DATA1 (SDB_D1)", "SD_DATA0 (SDB_D0)",
> +			  "SD_CLK",  "SD_CMD", "SD_DATA3 (SDB_D3)",
> +			  "SD_DATA2 (SDB_D2)", "SD_CDN (SD_DET_N)",
> +			  /* Bank BOOT */
> +			  "SDC_D0 (EMMC)", "SDC_D1 (EMMC)",
> +			  "SDC_D2 (EMMC)", "SDC_D3 (EMMC)",
> +			  "SDC_D4 (EMMC)", "SDC_D5 (EMMC)",
> +			  "SDC_D6 (EMMC)", "SDC_D7 (EMMC)",
> +			  "SDC_CLK (EMMC)", "SDC_RSTn (EMMC)",
> +			  "SDC_CMD (EMMC)", "BOOT_SEL", "", "", "",
> +			  "", "", "", "",
> +			  /* Bank DIF */
> +			  "ETH_RXD1", "ETH_RXD0", "ETH_RX_DV",
> +			  "RGMII_RX_CLK", "ETH_RXD3", "ETH_RXD2",
> +			  "ETH_TXEN", "ETH_PHY_REF_CLK_25MOUT",
> +			  "ETH_MDC", "ETH_MDIO";
> +};
> +
>  &gpio_ao {
> +	gpio-line-names = "UART TX", "UART RX", "",
> +			  "TF_3V3N_1V8_EN", "USB_HUB_RST_N",
> +			  "USB_OTG_PWREN", "J7 Header Pin 2",
> +			  "IR_IN", "J7 Header Pin 4",
> +			  "J7 Header Pin 6", "J7 Header Pin 5",
> +			  "J7 Header Pin 7", "HDMI_CEC",
> +			  "SYS_LED", "", "";
> +
>  	/*
>  	 * WARNING: The USB Hub on the Odroid-C1/C1+ needs a reset signal
>  	 * to be turned high in order to be detected by the USB Controller.
> 

Reviewed-by: Neil Armstrong <narmstrong@...libre.com>