Message ID | 20190912091256.15573-6-marcel@ziswiler.com |
---|---|
State | Accepted |
Commit | 1b56cd868e3c691625aa9bce2f475fcd4cf0405a |
Delegated to: | Tom Warren |
Headers | show |
Series | apalis/colibri_t30: uart pinmuxing improvements | expand |
Hi Marcel, On Thu, Sep 12, 2019 at 12:15 PM Marcel Ziswiler <marcel@ziswiler.com> wrote: > > From: Marcel Ziswiler <marcel.ziswiler@toradex.com> > > Use gpio_early_init_uart() function to disable RS232 serial transceiver > ForceOFF# pins on Iris. > > Signed-off-by: Marcel Ziswiler <marcel.ziswiler@toradex.com> > > --- > > board/toradex/colibri_t30/colibri_t30.c | 11 +++++++++++ > 1 file changed, 11 insertions(+) > > diff --git a/board/toradex/colibri_t30/colibri_t30.c b/board/toradex/colibri_t30/colibri_t30.c > index b6b00e3860..eb53fa6126 100644 > --- a/board/toradex/colibri_t30/colibri_t30.c > +++ b/board/toradex/colibri_t30/colibri_t30.c > @@ -55,6 +55,17 @@ void pinmux_init(void) > ARRAY_SIZE(colibri_t30_padctrl)); > } > > +/* > + * Disable RS232 serial transceiver ForceOFF# pins on Iris > + */ > +void gpio_early_init_uart(void) > +{ > + gpio_request(TEGRA_GPIO(X, 6), "Force OFF# X13"); > + gpio_direction_output(TEGRA_GPIO(X, 6), 1); > + gpio_request(TEGRA_GPIO(X, 7), "Force OFF# X14"); > + gpio_direction_output(TEGRA_GPIO(X, 7), 1); > +} > + > /* > * Enable AX88772B USB to LAN controller > */ > -- > 2.21.0 > > _______________________________________________ > U-Boot mailing list > U-Boot@lists.denx.de > https://lists.denx.de/listinfo/u-boot What not to handle this in the dts instead? -- Best regards - Freundliche GrĂ¼sse - Meilleures salutations Igor Opaniuk mailto: igor.opaniuk@gmail.com skype: igor.opanyuk +380 (93) 836 40 67 http://ua.linkedin.com/in/iopaniuk
diff --git a/board/toradex/colibri_t30/colibri_t30.c b/board/toradex/colibri_t30/colibri_t30.c index b6b00e3860..eb53fa6126 100644 --- a/board/toradex/colibri_t30/colibri_t30.c +++ b/board/toradex/colibri_t30/colibri_t30.c @@ -55,6 +55,17 @@ void pinmux_init(void) ARRAY_SIZE(colibri_t30_padctrl)); } +/* + * Disable RS232 serial transceiver ForceOFF# pins on Iris + */ +void gpio_early_init_uart(void) +{ + gpio_request(TEGRA_GPIO(X, 6), "Force OFF# X13"); + gpio_direction_output(TEGRA_GPIO(X, 6), 1); + gpio_request(TEGRA_GPIO(X, 7), "Force OFF# X14"); + gpio_direction_output(TEGRA_GPIO(X, 7), 1); +} + /* * Enable AX88772B USB to LAN controller */