From patchwork Wed Jan 17 14:55:47 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jean Thomas X-Patchwork-Id: 13521855 Return-Path: From: Jean Thomas To: sean.wang@kernel.org, linus.walleij@linaro.org, matthias.bgg@gmail.com, angelogioacchino.delregno@collabora.com, linux-mediatek@lists.infradead.org, linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Jean Thomas , Daniel Golle Subject: [PATCH v2 2/2] pinctrl: mediatek: mt7981: add additional emmc groups Date: Wed, 17 Jan 2024 15:55:47 +0100 Message-Id: <20240117145547.3354242-1-jean.thomas@wifirst.fr> List-Id: Add new emmc groups in the pinctrl driver for the MediaTek MT7981 SoC: * emmc reset, with pin 15. * emmc 4-bit bus-width, with pins 16 to 19, and 24 to 25. * emmc 8-bit bus-width, with pins 16 to 25. The existing emmc_45 group is kept for legacy reasons, even if this is the union of emmc_reset and emmc_8 groups. Signed-off-by: Jean Thomas Reviewed-by: Daniel Golle --- drivers/pinctrl/mediatek/pinctrl-mt7981.c | 17 ++++++++++++++++- 1 file changed, 16 insertions(+), 1 deletion(-) -- 2.39.2 --- a/drivers/pinctrl/mediatek/pinctrl-mt7981.c +++ b/drivers/pinctrl/mediatek/pinctrl-mt7981.c @@ -700,6 +700,15 @@ static int mt7981_drv_vbus_pins[] = { 14 static int mt7981_drv_vbus_funcs[] = { 1, }; /* EMMC */ +static int mt7981_emmc_reset_pins[] = { 15, }; +static int mt7981_emmc_reset_funcs[] = { 2, }; + +static int mt7981_emmc_4_pins[] = { 16, 17, 18, 19, 24, 25, }; +static int mt7981_emmc_4_funcs[] = { 2, 2, 2, 2, 2, 2, }; + +static int mt7981_emmc_8_pins[] = { 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, }; +static int mt7981_emmc_8_funcs[] = { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, }; + static int mt7981_emmc_45_pins[] = { 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, }; static int mt7981_emmc_45_funcs[] = { 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, }; @@ -854,6 +863,12 @@ static const struct group_desc mt7981_gr PINCTRL_PIN_GROUP("udi", mt7981_udi), /* @GPIO(14) DRV_VBUS(1) */ PINCTRL_PIN_GROUP("drv_vbus", mt7981_drv_vbus), + /* @GPIO(15): EMMC_RSTB(2) */ + PINCTRL_PIN_GROUP("emmc_reset", mt7981_emmc_reset), + /* @GPIO(16,17,18,19,24,25): EMMC_DATx, EMMC_CLK, EMMC_CMD */ + PINCTRL_PIN_GROUP("emmc_4", mt7981_emmc_4), + /* @GPIO(16,17,18,19,20,21,22,23,24,25): EMMC_DATx, EMMC_CLK, EMMC_CMD */ + PINCTRL_PIN_GROUP("emmc_8", mt7981_emmc_8), /* @GPIO(15,25): EMMC(2) */ PINCTRL_PIN_GROUP("emmc_45", mt7981_emmc_45), /* @GPIO(16,21): SNFI(3) */ @@ -957,7 +972,7 @@ static const char *mt7981_i2c_groups[] = static const char *mt7981_pcm_groups[] = { "pcm", }; static const char *mt7981_udi_groups[] = { "udi", }; static const char *mt7981_usb_groups[] = { "drv_vbus", }; -static const char *mt7981_flash_groups[] = { "emmc_45", "snfi", }; +static const char *mt7981_flash_groups[] = { "emmc_reset", "emmc_4", "emmc_8", "emmc_45", "snfi", }; static const char *mt7981_ethernet_groups[] = { "smi_mdc_mdio", "gbe_ext_mdc_mdio", "wf0_mode1", "wf0_mode3", "mt7531_int", }; static const char *mt7981_ant_groups[] = { "ant_sel", };