From: Sean Anderson <seanga2@gmail.com>
To: u-boot@lists.denx.de
Subject: [PATCH v3 10/10] riscv: Add FPIOA and GPIO support for Kendryte K210
Date: Sun, 14 Jun 2020 19:52:29 -0400 [thread overview]
Message-ID: <20200614235229.1835920-11-seanga2@gmail.com> (raw)
In-Reply-To: <20200614235229.1835920-1-seanga2@gmail.com>
This patch adds the necessary configs and docs for FPIOA and GPIO support
on the K210.
Signed-off-by: Sean Anderson <seanga2@gmail.com>
---
Changes in v3:
- Document pins 6 and 7 as not set
Changes in v2:
- Remove SPI flash related Kconfig settings
board/sipeed/maix/Kconfig | 9 ++++++
doc/board/sipeed/maix.rst | 64 +++++++++++++++++++++++++++++++++++++--
2 files changed, 71 insertions(+), 2 deletions(-)
diff --git a/board/sipeed/maix/Kconfig b/board/sipeed/maix/Kconfig
index 0cdcd32adc..4c42dd2087 100644
--- a/board/sipeed/maix/Kconfig
+++ b/board/sipeed/maix/Kconfig
@@ -44,4 +44,13 @@ config BOARD_SPECIFIC_OPTIONS
imply RESET_SYSCON
imply SYSRESET
imply SYSRESET_SYSCON
+ imply PINCTRL
+ imply PINCONF
+ imply PINCTRL_K210
+ imply DM_GPIO
+ imply DWAPB_GPIO
+ imply SIFIVE_GPIO
+ imply CMD_GPIO
+ imply LED
+ imply LED_GPIO
endif
diff --git a/doc/board/sipeed/maix.rst b/doc/board/sipeed/maix.rst
index 06e0008b9f..1865e2adfb 100644
--- a/doc/board/sipeed/maix.rst
+++ b/doc/board/sipeed/maix.rst
@@ -132,7 +132,7 @@ To run legacy images, use the ``bootm`` command:
Load Address: 80000000
Entry Point: 80000000
- $ picocom -b 115200 /dev/ttyUSB0i
+ $ picocom -b 115200 /dev/ttyUSB0
=> loady
## Ready for binary (ymodem) download to 0x80000000 at 115200 bps...
C
@@ -163,6 +163,66 @@ To run legacy images, use the ``bootm`` command:
argv[0] = "<NULL>"
Hit any key to exit ...
+Pin Assignment
+--------------
+
+The K210 contains a Fully Programmable I/O Array (FPIOA), which can remap any of
+its 256 input functions to any any of 48 output pins. The following table has
+the default pin assignments for the BitM.
+
+===== ========== =======
+Pin Function Comment
+===== ========== =======
+IO_0 JTAG_TCLK
+IO_1 JTAG_TDI
+IO_2 JTAG_TMS
+IO_3 JTAG_TDO
+IO_4 UARTHS_RX
+IO_5 UARTHS_TX
+IO_6 Not set
+IO_7 Not set
+IO_8 GPIO_0
+IO_9 GPIO_1
+IO_10 GPIO_2
+IO_11 GPIO_3
+IO_12 GPIO_4 Green LED
+IO_13 GPIO_5 Red LED
+IO_14 GPIO_6 Blue LED
+IO_15 GPIO_7
+IO_16 GPIOHS_0 ISP
+IO_17 GPIOHS_1
+IO_18 I2S0_SCLK MIC CLK
+IO_19 I2S0_WS MIC WS
+IO_20 I2S0_IN_D0 MIC SD
+IO_21 GPIOHS_5
+IO_22 GPIOHS_6
+IO_23 GPIOHS_7
+IO_24 GPIOHS_8
+IO_25 GPIOHS_9
+IO_26 SPI1_D1 MMC MISO
+IO_27 SPI1_SCLK MMC CLK
+IO_28 SPI1_D0 MMC MOSI
+IO_29 GPIOHS_13 MMC CS
+IO_30 GPIOHS_14
+IO_31 GPIOHS_15
+IO_32 GPIOHS_16
+IO_33 GPIOHS_17
+IO_34 GPIOHS_18
+IO_35 GPIOHS_19
+IO_36 GPIOHS_20 Panel CS
+IO_37 GPIOHS_21 Panel RST
+IO_38 GPIOHS_22 Panel DC
+IO_39 SPI0_SCK Panel WR
+IO_40 SCCP_SDA
+IO_41 SCCP_SCLK
+IO_42 DVP_RST
+IO_43 DVP_VSYNC
+IO_44 DVP_PWDN
+IO_45 DVP_HSYNC
+IO_46 DVP_XCLK
+IO_47 DVP_PCLK
+===== ========== =======
+
Over- and Under-clocking
------------------------
@@ -294,5 +354,5 @@ Address Size Description
0x8801C000 0x1000 riscv priv spec 1.9 config
0x8801D000 0x2000 flattened device tree (contains only addresses and
interrupts)
-0x8801f000 0x1000 credits
+0x8801F000 0x1000 credits
========== ========= ===========
--
2.26.2
prev parent reply other threads:[~2020-06-14 23:52 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-14 23:52 [PATCH v3 00/10] riscv: Add FPIOA and GPIO support for Kendryte K210 Sean Anderson
2020-06-14 23:52 ` [PATCH v3 01/10] pinctrl: Add pinmux property support to pinctrl-generic Sean Anderson
2020-06-14 23:52 ` [PATCH v3 02/10] test: pinmux: Add test for pin muxing Sean Anderson
2020-06-14 23:52 ` [PATCH v3 03/10] pinctrl: Add support for Kendryte K210 FPIOA Sean Anderson
2020-06-14 23:52 ` [PATCH v3 04/10] gpio: sifive: Use generic reg read function Sean Anderson
2020-06-14 23:52 ` [PATCH v3 05/10] gpio: dw: Fix warnings about casting int to pointer Sean Anderson
2020-06-14 23:52 ` [PATCH v3 06/10] gpio: dw: Add a trailing underscore to generated name Sean Anderson
2020-06-14 23:52 ` [PATCH v3 07/10] gpio: dw: Return output value when direction is out Sean Anderson
2020-06-14 23:52 ` [PATCH v3 08/10] led: gpio: Default to using node name if label is absent Sean Anderson
2020-06-14 23:52 ` [PATCH v3 09/10] riscv: Add pinmux and gpio bindings for Kendryte K210 Sean Anderson
2020-06-14 23:52 ` Sean Anderson [this message]
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