From: Otto Pflüger Date: Thu, 1 Dec 2022 16:02:44 +0000 (+0100) Subject: drm/tiny: panel-mipi-dbi: Read I/O supply from DT X-Git-Tag: v6.3-rc1~135^2~28^2~53 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3dd26888ac933421a0ba039bea0a637d1d058b60;p=thirdparty%2Flinux.git drm/tiny: panel-mipi-dbi: Read I/O supply from DT To support platforms with a separate I/O voltage supply, set the new io_regulator property along with the regulator property of the DBI device. Read the I/O supply from a new "io-supply" device tree property. Signed-off-by: Otto Pflüger Reviewed-by: Noralf Trønnes Signed-off-by: Noralf Trønnes Link: https://patchwork.freedesktop.org/patch/msgid/20221201160245.2093816-3-otto.pflueger@abscue.de --- diff --git a/drivers/gpu/drm/tiny/panel-mipi-dbi.c b/drivers/gpu/drm/tiny/panel-mipi-dbi.c index 2ed23ded51997..eb9f13f18a025 100644 --- a/drivers/gpu/drm/tiny/panel-mipi-dbi.c +++ b/drivers/gpu/drm/tiny/panel-mipi-dbi.c @@ -294,6 +294,11 @@ static int panel_mipi_dbi_spi_probe(struct spi_device *spi) return dev_err_probe(dev, PTR_ERR(dbidev->regulator), "Failed to get regulator 'power'\n"); + dbidev->io_regulator = devm_regulator_get(dev, "io"); + if (IS_ERR(dbidev->io_regulator)) + return dev_err_probe(dev, PTR_ERR(dbidev->io_regulator), + "Failed to get regulator 'io'\n"); + dbidev->backlight = devm_of_find_backlight(dev); if (IS_ERR(dbidev->backlight)) return dev_err_probe(dev, PTR_ERR(dbidev->backlight), "Failed to get backlight\n");