Change in flashrom[master]: flashrom.8.tmpl: document lspcon_i2c_spi

[Peter Marheine (Code Review)]

Peter Marheine has uploaded this change for review. ( https://review.coreboot.org/c/flashrom/+/63104 )

Change subject: flashrom.8.tmpl: document lspcon_i2c_spi
......................................................................

flashrom.8.tmpl: document lspcon_i2c_spi

This programmer operates much the same as realtek_mst_i2c_spi, so the
I2C options are moved to a new section describing both programmers
and a short description is added for this programmer itself.

Signed-off-by: Peter Marheine 
Change-Id: I9ccb9694fdea29e68f062cc049efc0204917a139
---
M flashrom.8.tmpl
1 file changed, 22 insertions(+), 11 deletions(-)

git pull ssh://review.coreboot.org:29418/flashrom refs/changes/04/63104/1

diff --git a/flashrom.8.tmpl b/flashrom.8.tmpl
index a6637d2..952b4e3 100644
--- a/flashrom.8.tmpl
+++ b/flashrom.8.tmpl
@@ -389,6 +389,8 @@
 .sp
 .BR "* realtek_mst_i2c_spi" " (for SPI flash ROMs attached to Realtek DisplayPort hubs accessible through I2C)"
 .sp
+.BR "* lspcon_i2c_spi" " (for SPI flash ROMs attached to Parade Technologies LSPCONs)"
+.sp
 Some programmers have optional or mandatory parameters which are described
 in detail in the
 .B PROGRAMMER-SPECIFIC INFORMATION
@@ -1411,21 +1413,25 @@
 If the passed frequency is not supported by the adapter the nearest lower
 supported frequency will be used.
 .SS
-.BR "realtek_mst_i2c_spi " programmer
+.BR "realtek_mst_i2c_spi " and " lspcon_i2c_spi " programmers
 .IP
-This programmer supports SPI flash programming for chips attached to Realtek
-DisplayPort MST hubs, themselves accessed through I2C (tunneling SPI flash
-commands through the MST hub's I2C connection with the host).
-
-The I2C bus on which the hub is reachable must be specified by either a device
-path with the \fBdevpath\fP option:
+These programmers tunnel SPI commands through I2C-connected devices. The I2C
+bus over which communication occurs must be specified either by device path
+with the \fBdevpath\fP option:
 .sp
 .B "  flashrom -p realtek_mst_i2c_spi:devpath=/dev/i2c-8"
 .sp
 or by a bus number with the \fBbus\fP option, which implies a device path like
 /dev/i2c-N where N is the specified bus number:
 .sp
-.B "  flashrom -p realtek_mst_i2c_spi:bus=8"
+.B "  flashrom -p lspcon_i2c_spi:bus=8"
+
+.SS
+.BR "realtek_mst_i2c_spi " programmer
+.IP
+This programmer supports SPI flash programming for chips attached to Realtek
+DisplayPort MST hubs, themselves accessed through I2C (tunneling SPI flash
+commands through the MST hub's I2C connection with the host).
 .TP
 .B In-system programming (ISP) mode
 .sp
@@ -1450,7 +1456,12 @@
 .B "  flashrom -p realtek_mst_i2c_spi:bus=0,enter-isp=1,reset-mcu=0 -E"
 .br
 .B "  flashrom -p realtek_mst_i2c_spi:bus=0,enter-isp=0,reset-mcu=1 -w new.bin"
-.sp
+.SS
+.BR "lspcon_i2c_spi " programmer
+.IP
+This programmer supports SPI flash programming for chips attached to Parade
+Technologies DisplayPort-to-HDMI level shifter/protocol converters (LSPCONs).
+Communication to the SPI flash is tunneled through the LSPCON over I2C.

.SH EXAMPLES
 To back up and update your BIOS, run
@@ -1529,8 +1540,8 @@
 .B ogp
 needs PCI configuration space read access and raw memory access.
 .sp
-.B realtek_mst_i2c_spi
-needs userspace access to the selected I2C bus.
+.BR realtek_mst_i2c_spi " and " lspcon_i2c_spi
+need userspace access to the selected I2C bus.
 .sp
 On OpenBSD, you can obtain raw access permission by setting
 .B "securelevel=-1"