OpenWrt – Rev 1
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From 09a0122c74ec076e08512f1b00b7ccb8a450282f Mon Sep 17 00:00:00 2001
From: Russell King <rmk+kernel@arm.linux.org.uk>
Date: Tue, 29 Nov 2016 10:15:43 +0000
Subject: ARM: dts: armada388-clearfog: document MPP usage
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
---
arch/arm/boot/dts/armada-388-clearfog-base.dts | 51 ++++++++++++++++++++++++++
arch/arm/boot/dts/armada-388-clearfog.dts | 50 +++++++++++++++++++++++++
2 files changed, 101 insertions(+)
--- a/arch/arm/boot/dts/armada-388-clearfog-base.dts
+++ b/arch/arm/boot/dts/armada-388-clearfog-base.dts
@@ -108,3 +108,54 @@
marvell,function = "gpio";
};
};
+
+/*
+MPP
+18: pu gpio pca9655 int
+19: gpio phy reset
+20: pu gpio sd0 detect
+21: sd0:cmd
+22: pd gpio mikro int
+23:
+
+24: ua1:rxd mikro rx
+25: ua1:txd mikro tx
+26: pu i2c1:sck
+27: pu i2c1:sda
+28: sd0:clk
+29: pd gpio mikro rst
+30:
+31:
+
+32:
+33:
+34:
+35:
+36:
+37: sd0:d3
+38: sd0:d0
+39: sd0:d1
+
+40: sd0:d2
+41:
+42:
+43: spi1:cs2 mikro cs
+44: gpio rear button sw3
+45: ref:clk_out0 phy#0 clock
+46: ref:clk_out1 phy#1 clock
+47:
+
+48: gpio J18 spare gpio
+49: gpio U10 I2C_IRQ(GNSS)
+50: gpio board id?
+51:
+52:
+53:
+54: gpio mikro pwm
+55:
+
+56: pu spi1:mosi mikro mosi
+57: pd spi1:sck mikro sck
+58: spi1:miso mikro miso
+59:
+*/
--- a/arch/arm/boot/dts/armada-388-clearfog.dts
+++ b/arch/arm/boot/dts/armada-388-clearfog.dts
@@ -290,3 +290,53 @@
*/
pinctrl-0 = <&spi1_pins &clearfog_spi1_cs_pins &mikro_spi_pins>;
};
+/*
++#define A38x_CUSTOMER_BOARD_1_MPP16_23 0x00400011
+MPP18: gpio ? (pca9655 int?)
+MPP19: gpio ? (clkreq?)
+MPP20: gpio ? (sd0 detect)
+MPP21: sd0:cmd x sd0
+MPP22: gpio x mikro int
+MPP23: gpio x switch irq
++#define A38x_CUSTOMER_BOARD_1_MPP24_31 0x22043333
+MPP24: ua1:rxd x mikro rx
+MPP25: ua1:txd x mikro tx
+MPP26: i2c1:sck x mikro sck
+MPP27: i2c1:sda x mikro sda
+MPP28: sd0:clk x sd0
+MPP29: gpio x mikro rst
+MPP30: ge1:txd2 ? (config)
+MPP31: ge1:txd3 ? (config)
++#define A38x_CUSTOMER_BOARD_1_MPP32_39 0x44400002
+MPP32: ge1:txctl ? (unused)
+MPP33: gpio ? (pic_com0)
+MPP34: gpio x rear button (pic_com1)
+MPP35: gpio ? (pic_com2)
+MPP36: gpio ? (unused)
+MPP37: sd0:d3 x sd0
+MPP38: sd0:d0 x sd0
+MPP39: sd0:d1 x sd0
++#define A38x_CUSTOMER_BOARD_1_MPP40_47 0x41144004
+MPP40: sd0:d2 x sd0
+MPP41: gpio x switch reset
+MPP42: gpio ? sw1-1
+MPP43: spi1:cs2 x mikro cs
+MPP44: sata3:prsnt ? (unused)
+MPP45: ref:clk_out0 ?
+MPP46: ref:clk_out1 x switch clk
+MPP47: 4 ? (unused)
++#define A38x_CUSTOMER_BOARD_1_MPP48_55 0x40333333
+MPP48: tdm:pclk
+MPP49: tdm:fsync
+MPP50: tdm:drx
+MPP51: tdm:dtx
+MPP52: tdm:int
+MPP53: tdm:rst
+MPP54: gpio ? (pwm)
+MPP55: spi1:cs1 x slic
++#define A38x_CUSTOMER_BOARD_1_MPP56_63 0x00004444
+MPP56: spi1:mosi x mikro mosi
+MPP57: spi1:sck x mikro sck
+MPP58: spi1:miso x mikro miso
+MPP59: spi1:cs0 x w25q32
+*/
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