firmware: zynqmp: Add support to check feature

Add firmware API to check if given feature is supported.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma@amd.com>
Link: https://lore.kernel.org/r/20230811054829.13162-2-ashok.reddy.soma@amd.com
Signed-off-by: Michal Simek <michal.simek@amd.com>

diff --git a/drivers/firmware/firmware-zynqmp.c b/drivers/firmware/firmware-zynqmp.c
index ab4c4f1a69051d8f8e26c131cac14844b822b1d4..43fb7fa7787e5ef62b5bc3ff521bc9bcf35cdafd 100644 (file)
--- a/drivers/firmware/firmware-zynqmp.c
+++ b/drivers/firmware/firmware-zynqmp.c
@@ -195,6 +195,19 @@ int zynqmp_pm_set_sd_config(u32 node, enum pm_sd_config_type config, u32 value)
        return ret;
 }
 
+int zynqmp_pm_feature(const u32 api_id)
+{
+       int ret;
+       u32 ret_payload[PAYLOAD_ARG_CNT];
+
+       /* Check feature check API version */
+       ret = xilinx_pm_request(PM_FEATURE_CHECK, api_id, 0, 0, 0,
+                               ret_payload);
+
+       /* Return feature check version */
+       return ret_payload[1] & FIRMWARE_VERSION_MASK;
+}
+
 int zynqmp_pm_is_function_supported(const u32 api_id, const u32 id)
 {
        int ret;

diff --git a/include/zynqmp_firmware.h b/include/zynqmp_firmware.h
index 18a87d27495418501b2ebcb0c9af409ade580754..73198a6a6ea49a95a4a429da71acf6c7af17de94 100644 (file)
--- a/include/zynqmp_firmware.h
+++ b/include/zynqmp_firmware.h
@@ -456,6 +456,7 @@ int zynqmp_pm_set_gem_config(u32 node, enum pm_gem_config_type config,
 int zynqmp_pm_is_function_supported(const u32 api_id, const u32 id);
 int zynqmp_mmio_read(const u32 address, u32 *value);
 int zynqmp_mmio_write(const u32 address, const u32 mask, const u32 value);
+int zynqmp_pm_feature(const u32 api_id);
 
 /* Type of Config Object */
 #define PM_CONFIG_OBJECT_TYPE_BASE     0x1U
@@ -492,6 +493,8 @@ enum zynqmp_pm_request_ack {
 /* PM API versions */
 #define PM_API_VERSION_2               2
 
+#define PM_PINCTRL_PARAM_SET_VERSION   2
+
 struct zynqmp_ipi_msg {
        size_t len;
        u32 *buf;