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Message-ID: <20210817074557.30953-6-sam.shih@mediatek.com>
Date: Tue, 17 Aug 2021 15:45:50 +0800
From: Sam Shih <sam.shih@...iatek.com>
To: Rob Herring <robh+dt@...nel.org>, Sean Wang <sean.wang@...nel.org>,
Linus Walleij <linus.walleij@...aro.org>,
Matthias Brugger <matthias.bgg@...il.com>,
Matt Mackall <mpm@...enic.com>,
Herbert Xu <herbert@...dor.apana.org.au>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Wim Van Sebroeck <wim@...ux-watchdog.org>,
Guenter Roeck <linux@...ck-us.net>,
Michael Turquette <mturquette@...libre.com>,
Stephen Boyd <sboyd@...nel.org>,
Hsin-Yi Wang <hsinyi@...omium.org>,
Enric Balletbo i Serra <enric.balletbo@...labora.com>,
Fabien Parent <fparent@...libre.com>,
Seiya Wang <seiya.wang@...iatek.com>,
<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<linux-mediatek@...ts.infradead.org>, <linux-gpio@...r.kernel.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-crypto@...r.kernel.org>, <linux-serial@...r.kernel.org>,
<linux-watchdog@...r.kernel.org>, <linux-clk@...r.kernel.org>
CC: John Crispin <john@...ozen.org>,
Ryder Lee <Ryder.Lee@...iatek.com>,
Sam Shih <sam.shih@...iatek.com>
Subject: [v2,05/12] dt-bindings: pinctrl: update bindings for MT7986 SoC
This updates bindings for MT7986 pinctrl driver.
The difference of pinctrl between mt7986a and mt7986b
is that pin-41 to pin-65 do not exist on mt7986b
Signed-off-by: Sam Shih <sam.shih@...iatek.com>
---
v2 : deleted the redundant description of mt7986a/mt7986b
---
.../bindings/pinctrl/pinctrl-mt7622.txt | 170 ++++++++++++++++++
1 file changed, 170 insertions(+)
diff --git a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt7622.txt b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt7622.txt
index 7a7aca1ed705..4711dfb2ea77 100644
--- a/Documentation/devicetree/bindings/pinctrl/pinctrl-mt7622.txt
+++ b/Documentation/devicetree/bindings/pinctrl/pinctrl-mt7622.txt
@@ -4,6 +4,8 @@ Required properties for the root node:
- compatible: Should be one of the following
"mediatek,mt7622-pinctrl" for MT7622 SoC
"mediatek,mt7629-pinctrl" for MT7629 SoC
+ "mediatek,mt7986a-pinctrl" for MT7986a SoC
+ "mediatek,mt7986b-pinctrl" for MT7986b SoC
- reg: offset and length of the pinctrl space
- gpio-controller: Marks the device node as a GPIO controller.
@@ -455,6 +457,174 @@ Valid values for groups are:
"wf0_5g" "wifi" 0, 1, 2, 3, 4, 5, 6,
7, 8, 9, 10
+== Valid values for pins, function and groups on MT7986a and MT7986b ==
+
+Valid values for pins are:
+pins can be referenced via the pin names as the below table shown and the
+related physical number is also put ahead of those names which helps cross
+references to pins between groups to know whether pins assignment conflict
+happens among devices try to acquire those available pins.
+
+ Pin #: Valid values for pins
+ -----------------------------
+ PIN 0: "SYS_WATCHDOG"
+ PIN 1: "WF2G_LED"
+ PIN 2: "WF5G_LED"
+ PIN 3: "I2C_SCL"
+ PIN 4: "I2C_SDA"
+ PIN 5: "GPIO_0"
+ PIN 6: "GPIO_1"
+ PIN 7: "GPIO_2"
+ PIN 8: "GPIO_3"
+ PIN 9: "GPIO_4"
+ PIN 10: "GPIO_5"
+ PIN 11: "GPIO_6"
+ PIN 12: "GPIO_7"
+ PIN 13: "GPIO_8"
+ PIN 14: "GPIO_9"
+ PIN 15: "GPIO_10"
+ PIN 16: "GPIO_11"
+ PIN 17: "GPIO_12"
+ PIN 18: "GPIO_13"
+ PIN 19: "GPIO_14"
+ PIN 20: "GPIO_15"
+ PIN 21: "PWM0"
+ PIN 22: "PWM1"
+ PIN 23: "SPI0_CLK"
+ PIN 24: "SPI0_MOSI"
+ PIN 25: "SPI0_MISO"
+ PIN 26: "SPI0_CS"
+ PIN 27: "SPI0_HOLD"
+ PIN 28: "SPI0_WP"
+ PIN 29: "SPI1_CLK"
+ PIN 30: "SPI1_MOSI"
+ PIN 31: "SPI1_MISO"
+ PIN 32: "SPI1_CS"
+ PIN 33: "SPI2_CLK"
+ PIN 34: "SPI2_MOSI"
+ PIN 35: "SPI2_MISO"
+ PIN 36: "SPI2_CS"
+ PIN 37: "SPI2_HOLD"
+ PIN 38: "SPI2_WP"
+ PIN 39: "UART0_RXD"
+ PIN 40: "UART0_TXD"
+ PIN 41: "PCIE_PERESET_N"
+ PIN 42: "UART1_RXD"
+ PIN 43: "UART1_TXD"
+ PIN 44: "UART1_CTS"
+ PIN 45: "UART1_RTS"
+ PIN 46: "UART2_RXD"
+ PIN 47: "UART2_TXD"
+ PIN 48: "UART2_CTS"
+ PIN 49: "UART2_RTS"
+ PIN 50: "EMMC_DATA_0"
+ PIN 51: "EMMC_DATA_1"
+ PIN 52: "EMMC_DATA_2"
+ PIN 53: "EMMC_DATA_3"
+ PIN 54: "EMMC_DATA_4"
+ PIN 55: "EMMC_DATA_5"
+ PIN 56: "EMMC_DATA_6"
+ PIN 57: "EMMC_DATA_7"
+ PIN 58: "EMMC_CMD"
+ PIN 59: "EMMC_CK"
+ PIN 60: "EMMC_DSL"
+ PIN 61: "EMMC_RSTB"
+ PIN 62: "PCM_DTX"
+ PIN 63: "PCM_DRX"
+ PIN 64: "PCM_CLK"
+ PIN 65: "PCM_FS"
+ PIN 66: "MT7531_INT"
+ PIN 67: "SMI_MDC"
+ PIN 68: "SMI_MDIO"
+ PIN 69: "WF0_DIG_RESETB"
+ PIN 70: "WF0_CBA_RESETB"
+ PIN 71: "WF0_XO_REQ"
+ PIN 72: "WF0_TOP_CLK"
+ PIN 73: "WF0_TOP_DATA"
+ PIN 74: "WF0_HB1"
+ PIN 75: "WF0_HB2"
+ PIN 76: "WF0_HB3"
+ PIN 77: "WF0_HB4"
+ PIN 78: "WF0_HB0"
+ PIN 79: "WF0_HB0_B"
+ PIN 80: "WF0_HB5"
+ PIN 81: "WF0_HB6"
+ PIN 82: "WF0_HB7"
+ PIN 83: "WF0_HB8"
+ PIN 84: "WF0_HB9"
+ PIN 85: "WF0_HB10"
+ PIN 86: "WF1_DIG_RESETB"
+ PIN 87: "WF1_CBA_RESETB"
+ PIN 88: "WF1_XO_REQ"
+ PIN 89: "WF1_TOP_CLK"
+ PIN 90: "WF1_TOP_DATA"
+ PIN 91: "WF1_HB1"
+ PIN 92: "WF1_HB2"
+ PIN 93: "WF1_HB3"
+ PIN 94: "WF1_HB4"
+ PIN 95: "WF1_HB0"
+ PIN 96: "WF1_HB0_B"
+ PIN 97: "WF1_HB5"
+ PIN 98: "WF1_HB6"
+ PIN 99: "WF1_HB7"
+ PIN 100: "WF1_HB8"
+
+There is no PIN 41 to PIN 65 above on mt7686b, you can only use those
+pins on mt7986a.
+
+Valid values for function are:
+ "audio, "emmc", "eth", "i2c", "wifi", "led", "flash", "pcie",
+ "pwm", "spi", "uart", "watchdog"
+
+There is no "audio", "pcie" functions above on mt7986b, you can only
+use those functions on mt7986a.
+
+Valid values for groups are:
+additional data is put followingly with valid value allowing us to know which
+applicable function and which relevant pins (in pin#) are able applied for that
+group.
+
+ Valid value function pins (in pin#)
+ -------------------------------------------------------------------------
+ "watchdog" "watchdog" 0
+ "wifi_led" "led" 1, 2
+ "i2c" "i2c" 3, 4
+ "uart1_0" "uart" 7, 8, 9, 10
+ "pcie_clk" "pcie" 9
+ "pcie_wake" "pcie" 10
+ "spi1_0" "spi" 11, 12, 13, 14
+ "pwm1_1" "pwm" 20,
+ "pwm0" "pwm" 21,
+ "pwm1_0" "pwm" 22,
+ "snfi" "flash" 23, 24, 25, 26, 27, 28
+ "spi1_2" "spi" 29, 30, 31, 32
+ "emmc_45" "emmc" 22, 23, 24, 25, 26, 27,
+ 28, 29, 30, 31, 32
+ "spi1_1" "spi" 23, 24, 25, 26
+ "uart1_2" "uart" 29, 30, 31, 32
+ "uart1_1" "uart" 23, 24, 25, 26
+ "uart2_0" "uart" 29, 30, 31, 32
+ "spi0" "spi" 33, 34, 35, 36
+ "spi0_wp_hold" "spi" 37, 38
+ "uart1_3_rx_tx" "uart" 35, 36
+ "uart1_3_cts_rts" "uart" 37, 38
+ "uart2_1" "uart" 33, 34, 35, 36
+ "spi1_3" "spi" 33, 34, 35, 36
+ "uart0" "uart" 39, 40
+ "pcie_pereset" "pcie" 41
+ "uart1" "uart" 42, 43, 44, 45
+ "uart2" "uart" 46, 47, 48, 49
+ "emmc_51" "emmc" 50, 51, 52, 53, 54, 55,
+ 56, 57, 57, 59, 60, 61
+ "pcm" "audio" 62, 63, 64, 65
+ "i2s" "audio" 62, 63, 64, 65
+ "switch_int" "eth" 66
+ "mdc_mdio" "eth" 67
+
+There is no "pcie_pereset", "uart1", "uart2" "emmc_51", "pcm", and "i2s" groups
+above on mt7986b, you can only use those groups on mt7986a.
+
+
Example:
pio: pinctrl@...11000 {
--
2.29.2
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