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Ip=[149.199.60.100]; Helo=[xsj-pvapsmtpgw02] X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CY1PR0201MB0586 Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Rajan Vaja Add debugfs file to control clocks using firmware APIs through debugfs interface. Signed-off-by: Rajan Vaja Signed-off-by: Jolly Shah --- drivers/firmware/xilinx/zynqmp-debug.c | 48 ++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/drivers/firmware/xilinx/zynqmp-debug.c b/drivers/firmware/xilinx/zynqmp-debug.c index 1cb69f7..837fcd1 100644 --- a/drivers/firmware/xilinx/zynqmp-debug.c +++ b/drivers/firmware/xilinx/zynqmp-debug.c @@ -34,6 +34,15 @@ static struct pm_api_info pm_api_list[] = { PM_API(PM_GET_API_VERSION), PM_API(PM_IOCTL), PM_API(PM_QUERY_DATA), + PM_API(PM_CLOCK_ENABLE), + PM_API(PM_CLOCK_DISABLE), + PM_API(PM_CLOCK_GETSTATE), + PM_API(PM_CLOCK_SETDIVIDER), + PM_API(PM_CLOCK_GETDIVIDER), + PM_API(PM_CLOCK_SETRATE), + PM_API(PM_CLOCK_GETRATE), + PM_API(PM_CLOCK_SETPARENT), + PM_API(PM_CLOCK_GETPARENT), }; /** @@ -87,6 +96,7 @@ static int process_api_request(u32 pm_id, u64 *pm_api_arg, u32 *pm_api_ret) const struct zynqmp_eemi_ops *eemi_ops = zynqmp_pm_get_eemi_ops(); u32 pm_api_version; int ret; + u64 rate; if (!eemi_ops) return -ENXIO; @@ -132,6 +142,44 @@ static int process_api_request(u32 pm_id, u64 *pm_api_arg, u32 *pm_api_ret) pm_api_ret[2], pm_api_ret[3]); break; } + case PM_CLOCK_ENABLE: + ret = eemi_ops->clock_enable(pm_api_arg[0]); + break; + case PM_CLOCK_DISABLE: + ret = eemi_ops->clock_disable(pm_api_arg[0]); + break; + case PM_CLOCK_GETSTATE: + ret = eemi_ops->clock_getstate(pm_api_arg[0], &pm_api_ret[0]); + if (!ret) + sprintf(debugfs_buf, "Clock state: %u\n", + pm_api_ret[0]); + break; + case PM_CLOCK_SETDIVIDER: + ret = eemi_ops->clock_setdivider(pm_api_arg[0], pm_api_arg[1]); + break; + case PM_CLOCK_GETDIVIDER: + ret = eemi_ops->clock_getdivider(pm_api_arg[0], &pm_api_ret[0]); + if (!ret) + sprintf(debugfs_buf, "Divider Value: %d\n", + pm_api_ret[0]); + break; + case PM_CLOCK_SETRATE: + ret = eemi_ops->clock_setrate(pm_api_arg[0], pm_api_arg[1]); + break; + case PM_CLOCK_GETRATE: + ret = eemi_ops->clock_getrate(pm_api_arg[0], &rate); + if (!ret) + sprintf(debugfs_buf, "Clock rate :%llu\n", rate); + break; + case PM_CLOCK_SETPARENT: + ret = eemi_ops->clock_setparent(pm_api_arg[0], pm_api_arg[1]); + break; + case PM_CLOCK_GETPARENT: + ret = eemi_ops->clock_getparent(pm_api_arg[0], &pm_api_ret[0]); + if (!ret) + sprintf(debugfs_buf, + "Clock parent Index: %u\n", pm_api_ret[0]); + break; default: sprintf(debugfs_buf, "Unsupported PM-API request\n"); ret = -EINVAL;