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authorMin Li <min.li.xe@renesas.com>2022-05-16 10:47:06 -0400
committerJakub Kicinski <kuba@kernel.org>2022-05-17 17:49:04 -0700
commitbec67592521ec816371f5f072b1a340e1c2ad434 (patch)
tree78896d64f1988052b8a905195bdf933178ba5803 /include/linux/mfd
parentnet: smc911x: replace ternary operator with min() (diff)
downloadlinux-dev-bec67592521ec816371f5f072b1a340e1c2ad434.tar.xz
linux-dev-bec67592521ec816371f5f072b1a340e1c2ad434.zip
ptp: ptp_clockmatrix: Add PTP_CLK_REQ_EXTTS support
Use TOD_READ_SECONDARY for extts to keep TOD_READ_PRIMARY for gettime and settime exclusively. Before this change, TOD_READ_PRIMARY was used for both extts and gettime/settime, which would result in changing TOD read/write triggers between operations. Using TOD_READ_SECONDARY would make extts independent of gettime/settime operation Signed-off-by: Min Li <min.li.xe@renesas.com> Acked-by: Richard Cochran <richardcochran@gmail.com> Link: https://lore.kernel.org/r/1652712427-14703-1-git-send-email-min.li.xe@renesas.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'include/linux/mfd')
-rw-r--r--include/linux/mfd/idt8a340_reg.h12
1 files changed, 11 insertions, 1 deletions
diff --git a/include/linux/mfd/idt8a340_reg.h b/include/linux/mfd/idt8a340_reg.h
index a18c1539a152..0c706085c205 100644
--- a/include/linux/mfd/idt8a340_reg.h
+++ b/include/linux/mfd/idt8a340_reg.h
@@ -407,7 +407,7 @@
#define TOD_READ_PRIMARY_0 0xcc40
#define TOD_READ_PRIMARY_0_V520 0xcc50
/* 8-bit subns, 32-bit ns, 48-bit seconds */
-#define TOD_READ_PRIMARY 0x0000
+#define TOD_READ_PRIMARY_BASE 0x0000
/* Counter increments after TOD write is completed */
#define TOD_READ_PRIMARY_COUNTER 0x000b
/* Read trigger configuration */
@@ -424,6 +424,16 @@
#define TOD_READ_SECONDARY_0 0xcc90
#define TOD_READ_SECONDARY_0_V520 0xcca0
+/* 8-bit subns, 32-bit ns, 48-bit seconds */
+#define TOD_READ_SECONDARY_BASE 0x0000
+/* Counter increments after TOD write is completed */
+#define TOD_READ_SECONDARY_COUNTER 0x000b
+/* Read trigger configuration */
+#define TOD_READ_SECONDARY_SEL_CFG_0 0x000c
+/* Read trigger selection */
+#define TOD_READ_SECONDARY_CMD 0x000e
+#define TOD_READ_SECONDARY_CMD_V520 0x000f
+
#define TOD_READ_SECONDARY_1 0xcca0
#define TOD_READ_SECONDARY_1_V520 0xccb0
#define TOD_READ_SECONDARY_2 0xccb0