diff options
author | Rajan Vaja <rajan.vaja@xilinx.com> | 2020-04-24 23:58:03 +0300 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-04-28 16:46:54 +0300 |
commit | 4f680b72ea07a3e161ce1167a97ee09b1369f7de (patch) | |
tree | d5ba22b36df24f83e715fc647d5dbd615d827819 /include/linux/firmware | |
parent | 4db8180ffe7c07bc4a602c82d6d9c1c04751583d (diff) | |
download | linux-4f680b72ea07a3e161ce1167a97ee09b1369f7de.tar.xz |
firmware: xilinx: Add APIs to read/write GGS/PGGS registers
Add APIs to read/write PGGS and GGS registers.
Signed-off-by: Rajan Vaja <rajan.vaja@xilinx.com>
Signed-off-by: Jolly Shah <jolly.shah@xilinx.com>
Link: https://lore.kernel.org/r/1587761887-4279-22-git-send-email-jolly.shah@xilinx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/firmware')
-rw-r--r-- | include/linux/firmware/xlnx-zynqmp.h | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h index 44ffb4f0d8be..e23251d93176 100644 --- a/include/linux/firmware/xlnx-zynqmp.h +++ b/include/linux/firmware/xlnx-zynqmp.h @@ -107,6 +107,10 @@ enum pm_ioctl_id { IOCTL_GET_PLL_FRAC_MODE, IOCTL_SET_PLL_FRAC_DATA, IOCTL_GET_PLL_FRAC_DATA, + IOCTL_WRITE_GGS = 12, + IOCTL_READ_GGS = 13, + IOCTL_WRITE_PGGS = 14, + IOCTL_READ_PGGS = 15, }; enum pm_query_id { @@ -330,6 +334,10 @@ int zynqmp_pm_set_requirement(const u32 node, const u32 capabilities, int zynqmp_pm_aes_engine(const u64 address, u32 *out); int zynqmp_pm_fpga_load(const u64 address, const u32 size, const u32 flags); int zynqmp_pm_fpga_get_status(u32 *value); +int zynqmp_pm_write_ggs(u32 index, u32 value); +int zynqmp_pm_read_ggs(u32 index, u32 *value); +int zynqmp_pm_write_pggs(u32 index, u32 value); +int zynqmp_pm_read_pggs(u32 index, u32 *value); #else static inline struct zynqmp_eemi_ops *zynqmp_pm_get_eemi_ops(void) { @@ -456,6 +464,22 @@ static inline int zynqmp_pm_fpga_get_status(u32 *value) { return -ENODEV; } +static inline int zynqmp_pm_write_ggs(u32 index, u32 value) +{ + return -ENODEV; +} +static inline int zynqmp_pm_read_ggs(u32 index, u32 *value) +{ + return -ENODEV; +} +static inline int zynqmp_pm_write_pggs(u32 index, u32 value) +{ + return -ENODEV; +} +static inline int zynqmp_pm_read_pggs(u32 index, u32 *value) +{ + return -ENODEV; +} #endif #endif /* __FIRMWARE_ZYNQMP_H__ */ |