From 3fa031ab0b3884ecf21b30435ff1809312d03e3b Mon Sep 17 00:00:00 2001 From: Mathias Kresin Date: Thu, 1 Nov 2018 23:11:40 +0100 Subject: [PATCH] ramips: add Sanlinking Technologies D240 pinmux quirk The sd function of the nd_sd group configures two of the groups pins as gpios. The pins are used as PCIe reset/power. Due to the driver load order, the pins are configured way to late if triggered by the sd-card driver. To not introduce another kind of driver load order dependency and configure the pins as early as possible, means during pinmux driver load. Signed-off-by: Mathias Kresin (backported from 71ba834cf1a1c8fcbf345b7efa75de0dcba9db20) --- target/linux/ramips/dts/D240.dts | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/target/linux/ramips/dts/D240.dts b/target/linux/ramips/dts/D240.dts index eb8aa96a6d..a90fb78127 100644 --- a/target/linux/ramips/dts/D240.dts +++ b/target/linux/ramips/dts/D240.dts @@ -157,6 +157,8 @@ &sdhci { status = "okay"; + /* the pins function is already set during pinmux driver load */ + /delete-property/ pinctrl-0; }; &ehci { @@ -182,6 +184,20 @@ ralink,group = "i2c", "uartf", "wled", "spi refclk", "pa"; ralink,function = "gpio"; }; + + /* + * The sd function of the nd_sd group configures two of the + * groups pins as gpios. The pins are used as PCIe reset/power. + * Due to the driver load order, the pins are configured way to + * late if triggered by the sd-card driver. + * To not introduce another kind of driver load order + * dependency and configure the pins as early as possible, + * means during pinmux driver load. + */ + gpio_sd { + ralink,group = "nd_sd"; + ralink,function = "sd"; + }; }; }; -- 2.30.2