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| author | Sam Shih <sam.shih@mediatek.com> | 2022-10-08 18:48:06 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2022-10-17 11:56:02 +0200 |
| commit | aef1bef2dfdd6e1bf003cb745eb3941bca01b714 (patch) | |
| tree | 2224cc8be28d33b146c845956bc2ec2ce7c63bb1 /drivers/pinctrl/mediatek | |
| parent | pinctrl: qcom: add sdm670 pinctrl (diff) | |
| download | linux-aef1bef2dfdd6e1bf003cb745eb3941bca01b714.tar.xz linux-aef1bef2dfdd6e1bf003cb745eb3941bca01b714.zip | |
pinctrl: mt7986: allow configuring uart rx/tx and rts/cts separately
Some mt7986 boards use uart rts/cts pins as gpio,
This patch allows to change rts/cts to gpio mode, but keep
rx/tx as UART function.
Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
Signed-off-by: Sam Shih <sam.shih@mediatek.com>
Link: https://lore.kernel.org/r/20221008164807.113590-1-linux@fw-web.de
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'drivers/pinctrl/mediatek')
| -rw-r--r-- | drivers/pinctrl/mediatek/pinctrl-mt7986.c | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/drivers/pinctrl/mediatek/pinctrl-mt7986.c b/drivers/pinctrl/mediatek/pinctrl-mt7986.c index f26869f1a367..95f32e62e02f 100644 --- a/drivers/pinctrl/mediatek/pinctrl-mt7986.c +++ b/drivers/pinctrl/mediatek/pinctrl-mt7986.c @@ -675,11 +675,17 @@ static int mt7986_uart1_1_funcs[] = { 4, 4, 4, 4, }; static int mt7986_spi1_2_pins[] = { 29, 30, 31, 32, }; static int mt7986_spi1_2_funcs[] = { 1, 1, 1, 1, }; -static int mt7986_uart1_2_pins[] = { 29, 30, 31, 32, }; -static int mt7986_uart1_2_funcs[] = { 3, 3, 3, 3, }; +static int mt7986_uart1_2_rx_tx_pins[] = { 29, 30, }; +static int mt7986_uart1_2_rx_tx_funcs[] = { 3, 3, }; -static int mt7986_uart2_0_pins[] = { 29, 30, 31, 32, }; -static int mt7986_uart2_0_funcs[] = { 4, 4, 4, 4, }; +static int mt7986_uart1_2_cts_rts_pins[] = { 31, 32, }; +static int mt7986_uart1_2_cts_rts_funcs[] = { 3, 3, }; + +static int mt7986_uart2_0_rx_tx_pins[] = { 29, 30, }; +static int mt7986_uart2_0_rx_tx_funcs[] = { 4, 4, }; + +static int mt7986_uart2_0_cts_rts_pins[] = { 31, 32, }; +static int mt7986_uart2_0_cts_rts_funcs[] = { 4, 4, }; static int mt7986_spi0_pins[] = { 33, 34, 35, 36, }; static int mt7986_spi0_funcs[] = { 1, 1, 1, 1, }; @@ -708,6 +714,12 @@ static int mt7986_pcie_reset_funcs[] = { 1, }; static int mt7986_uart1_pins[] = { 42, 43, 44, 45, }; static int mt7986_uart1_funcs[] = { 1, 1, 1, 1, }; +static int mt7986_uart1_rx_tx_pins[] = { 42, 43, }; +static int mt7986_uart1_rx_tx_funcs[] = { 1, 1, }; + +static int mt7986_uart1_cts_rts_pins[] = { 44, 45, }; +static int mt7986_uart1_cts_rts_funcs[] = { 1, 1, }; + static int mt7986_uart2_pins[] = { 46, 47, 48, 49, }; static int mt7986_uart2_funcs[] = { 1, 1, 1, 1, }; @@ -749,6 +761,8 @@ static const struct group_desc mt7986_groups[] = { PINCTRL_PIN_GROUP("wifi_led", mt7986_wifi_led), PINCTRL_PIN_GROUP("i2c", mt7986_i2c), PINCTRL_PIN_GROUP("uart1_0", mt7986_uart1_0), + PINCTRL_PIN_GROUP("uart1_rx_tx", mt7986_uart1_rx_tx), + PINCTRL_PIN_GROUP("uart1_cts_rts", mt7986_uart1_cts_rts), PINCTRL_PIN_GROUP("pcie_clk", mt7986_pcie_clk), PINCTRL_PIN_GROUP("pcie_wake", mt7986_pcie_wake), PINCTRL_PIN_GROUP("spi1_0", mt7986_spi1_0), @@ -760,8 +774,10 @@ static const struct group_desc mt7986_groups[] = { PINCTRL_PIN_GROUP("spi1_1", mt7986_spi1_1), PINCTRL_PIN_GROUP("uart1_1", mt7986_uart1_1), PINCTRL_PIN_GROUP("spi1_2", mt7986_spi1_2), - PINCTRL_PIN_GROUP("uart1_2", mt7986_uart1_2), - PINCTRL_PIN_GROUP("uart2_0", mt7986_uart2_0), + PINCTRL_PIN_GROUP("uart1_2_rx_tx", mt7986_uart1_2_rx_tx), + PINCTRL_PIN_GROUP("uart1_2_cts_rts", mt7986_uart1_2_cts_rts), + PINCTRL_PIN_GROUP("uart2_0_rx_tx", mt7986_uart2_0_rx_tx), + PINCTRL_PIN_GROUP("uart2_0_cts_rts", mt7986_uart2_0_cts_rts), PINCTRL_PIN_GROUP("spi0", mt7986_spi0), PINCTRL_PIN_GROUP("spi0_wp_hold", mt7986_spi0_wp_hold), PINCTRL_PIN_GROUP("uart2_1", mt7986_uart2_1), @@ -800,7 +816,9 @@ static const char *mt7986_pwm_groups[] = { "pwm0", "pwm1_0", "pwm1_1", }; static const char *mt7986_spi_groups[] = { "spi0", "spi0_wp_hold", "spi1_0", "spi1_1", "spi1_2", "spi1_3", }; static const char *mt7986_uart_groups[] = { - "uart1_0", "uart1_1", "uart1_2", "uart1_3_rx_tx", "uart1_3_cts_rts", + "uart1_0", "uart1_1", "uart1_rx_tx", "uart1_cts_rts", + "uart1_2_rx_tx", "uart1_2_cts_rts", + "uart1_3_rx_tx", "uart1_3_cts_rts", "uart2_0_rx_tx", "uart2_0_cts_rts", "uart2_0", "uart2_1", "uart0", "uart1", "uart2", }; static const char *mt7986_wdt_groups[] = { "watchdog", }; |