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659f4a13dd
With Linux 6.1 many of our downstream patches and out-of-tree files can be removed or at least replaced by backported upstream commits. Signed-off-by: Daniel Golle <daniel@makrotopia.org> [fix CMDLINE_OVERRIDE for arm64] Signed-off-by: Bjørn Mork <bjorn@mork.no>
89 lines
3.9 KiB
Diff
89 lines
3.9 KiB
Diff
From f76e8bc416bebb0f7b9f57b1247eae945421c0b9 Mon Sep 17 00:00:00 2001
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From: Sam Shih <sam.shih@mediatek.com>
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Date: Sat, 8 Oct 2022 18:48:06 +0200
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Subject: [PATCH 1/2] pinctrl: mt7986: allow configuring uart rx/tx and rts/cts
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separately
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Some mt7986 boards use uart rts/cts pins as gpio,
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This patch allows to change rts/cts to gpio mode, but keep
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rx/tx as UART function.
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Signed-off-by: Frank Wunderlich <frank-w@public-files.de>
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Signed-off-by: Sam Shih <sam.shih@mediatek.com>
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Link: https://lore.kernel.org/r/20221008164807.113590-1-linux@fw-web.de
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Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
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---
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drivers/pinctrl/mediatek/pinctrl-mt7986.c | 32 ++++++++++++++++++-----
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1 file changed, 25 insertions(+), 7 deletions(-)
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--- a/drivers/pinctrl/mediatek/pinctrl-mt7986.c
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+++ b/drivers/pinctrl/mediatek/pinctrl-mt7986.c
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@@ -675,11 +675,17 @@ static int mt7986_uart1_1_funcs[] = { 4,
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static int mt7986_spi1_2_pins[] = { 29, 30, 31, 32, };
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static int mt7986_spi1_2_funcs[] = { 1, 1, 1, 1, };
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-static int mt7986_uart1_2_pins[] = { 29, 30, 31, 32, };
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-static int mt7986_uart1_2_funcs[] = { 3, 3, 3, 3, };
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+static int mt7986_uart1_2_rx_tx_pins[] = { 29, 30, };
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+static int mt7986_uart1_2_rx_tx_funcs[] = { 3, 3, };
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-static int mt7986_uart2_0_pins[] = { 29, 30, 31, 32, };
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-static int mt7986_uart2_0_funcs[] = { 4, 4, 4, 4, };
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+static int mt7986_uart1_2_cts_rts_pins[] = { 31, 32, };
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+static int mt7986_uart1_2_cts_rts_funcs[] = { 3, 3, };
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+
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+static int mt7986_uart2_0_rx_tx_pins[] = { 29, 30, };
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+static int mt7986_uart2_0_rx_tx_funcs[] = { 4, 4, };
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+
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+static int mt7986_uart2_0_cts_rts_pins[] = { 31, 32, };
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+static int mt7986_uart2_0_cts_rts_funcs[] = { 4, 4, };
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static int mt7986_spi0_pins[] = { 33, 34, 35, 36, };
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static int mt7986_spi0_funcs[] = { 1, 1, 1, 1, };
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@@ -708,6 +714,12 @@ static int mt7986_pcie_reset_funcs[] = {
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static int mt7986_uart1_pins[] = { 42, 43, 44, 45, };
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static int mt7986_uart1_funcs[] = { 1, 1, 1, 1, };
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+static int mt7986_uart1_rx_tx_pins[] = { 42, 43, };
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+static int mt7986_uart1_rx_tx_funcs[] = { 1, 1, };
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+
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+static int mt7986_uart1_cts_rts_pins[] = { 44, 45, };
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+static int mt7986_uart1_cts_rts_funcs[] = { 1, 1, };
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+
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static int mt7986_uart2_pins[] = { 46, 47, 48, 49, };
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static int mt7986_uart2_funcs[] = { 1, 1, 1, 1, };
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@@ -749,6 +761,8 @@ static const struct group_desc mt7986_gr
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PINCTRL_PIN_GROUP("wifi_led", mt7986_wifi_led),
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PINCTRL_PIN_GROUP("i2c", mt7986_i2c),
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PINCTRL_PIN_GROUP("uart1_0", mt7986_uart1_0),
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+ PINCTRL_PIN_GROUP("uart1_rx_tx", mt7986_uart1_rx_tx),
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+ PINCTRL_PIN_GROUP("uart1_cts_rts", mt7986_uart1_cts_rts),
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PINCTRL_PIN_GROUP("pcie_clk", mt7986_pcie_clk),
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PINCTRL_PIN_GROUP("pcie_wake", mt7986_pcie_wake),
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PINCTRL_PIN_GROUP("spi1_0", mt7986_spi1_0),
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@@ -760,8 +774,10 @@ static const struct group_desc mt7986_gr
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PINCTRL_PIN_GROUP("spi1_1", mt7986_spi1_1),
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PINCTRL_PIN_GROUP("uart1_1", mt7986_uart1_1),
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PINCTRL_PIN_GROUP("spi1_2", mt7986_spi1_2),
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- PINCTRL_PIN_GROUP("uart1_2", mt7986_uart1_2),
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- PINCTRL_PIN_GROUP("uart2_0", mt7986_uart2_0),
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+ PINCTRL_PIN_GROUP("uart1_2_rx_tx", mt7986_uart1_2_rx_tx),
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+ PINCTRL_PIN_GROUP("uart1_2_cts_rts", mt7986_uart1_2_cts_rts),
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+ PINCTRL_PIN_GROUP("uart2_0_rx_tx", mt7986_uart2_0_rx_tx),
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+ PINCTRL_PIN_GROUP("uart2_0_cts_rts", mt7986_uart2_0_cts_rts),
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PINCTRL_PIN_GROUP("spi0", mt7986_spi0),
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PINCTRL_PIN_GROUP("spi0_wp_hold", mt7986_spi0_wp_hold),
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PINCTRL_PIN_GROUP("uart2_1", mt7986_uart2_1),
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@@ -800,7 +816,9 @@ static const char *mt7986_pwm_groups[] =
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static const char *mt7986_spi_groups[] = {
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"spi0", "spi0_wp_hold", "spi1_0", "spi1_1", "spi1_2", "spi1_3", };
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static const char *mt7986_uart_groups[] = {
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- "uart1_0", "uart1_1", "uart1_2", "uart1_3_rx_tx", "uart1_3_cts_rts",
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+ "uart1_0", "uart1_1", "uart1_rx_tx", "uart1_cts_rts",
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+ "uart1_2_rx_tx", "uart1_2_cts_rts",
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+ "uart1_3_rx_tx", "uart1_3_cts_rts", "uart2_0_rx_tx", "uart2_0_cts_rts",
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"uart2_0", "uart2_1", "uart0", "uart1", "uart2",
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};
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static const char *mt7986_wdt_groups[] = { "watchdog", };
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