[PATCH 1/3] firmware: zynqmp: Add support to check feature

[Ashok Reddy Soma]

Add firmware API to check if given feature is supported.

Signed-off-by: Ashok Reddy Soma <ashok.reddy.soma at amd.com>
---

 drivers/firmware/firmware-zynqmp.c | 13 +++++++++++++
 include/zynqmp_firmware.h          |  3 +++
 2 files changed, 16 insertions(+)

diff --git a/drivers/firmware/firmware-zynqmp.c b/drivers/firmware/firmware-zynqmp.c
index ab4c4f1a69..43fb7fa778 100644
--- 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 18a87d2749..73198a6a6e 100644
--- 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;
-- 
2.17.1