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ptp_qoriq: support FIPER3

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The FIPER3 (fixed interval period pulse generator) is supported on
DPAA2 and ENETC network controller hardware. This patch is to support
it in ptp_qoriq driver.

Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Acked-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yangbo Lu
2020-09-18 17:48:01 +08:00
committed by David S. Miller
parent 8725e9fc61
commit 6d23d831e9
2 changed files with 22 additions and 1 deletions
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3
include/linux/fsl/ptp_qoriq.h
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@@ -136,6 +136,7 @@ struct ptp_qoriq_registers {
#define DEFAULT_TMR_PRSC 2
#define DEFAULT_FIPER1_PERIOD 1000000000
#define DEFAULT_FIPER2_PERIOD 1000000000
#define DEFAULT_FIPER3_PERIOD 1000000000
struct ptp_qoriq {
void __iomem *base;
@@ -147,6 +148,7 @@ struct ptp_qoriq {
struct dentry *debugfs_root;
struct device *dev;
bool extts_fifo_support;
bool fiper3_support;
int irq;
int phc_index;
u32 tclk_period; /* nanoseconds */
@@ -155,6 +157,7 @@ struct ptp_qoriq {
u32 cksel;
u32 tmr_fiper1;
u32 tmr_fiper2;
u32 tmr_fiper3;
u32 (*read)(unsigned __iomem *addr);
void (*write)(unsigned __iomem *addr, u32 val);
};