linux-kernel - [RFC PATCH 10/10] spi: cadence-quadspi: Define cqspi_get_tuning

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Message-ID: <20250811193219.731851-11-s-k6@ti.com>
Date: Tue, 12 Aug 2025 01:02:19 +0530
From: Santhosh Kumar K <s-k6@...com>
To: <miquel.raynal@...tlin.com>, <richard@....at>, <vigneshr@...com>,
        <broonie@...nel.org>, <tudor.ambarus@...aro.org>,
        <pratyush@...nel.org>, <mwalle@...nel.org>, <p-mantena@...com>
CC: <linux-spi@...r.kernel.org>, <linux-mtd@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <s-k6@...com>, <a-dutta@...com>,
        <u-kumar1@...com>, <praneeth@...com>
Subject: [RFC PATCH 10/10] spi: cadence-quadspi: Define cqspi_get_tuning_params()

Define cqspi_get_tuning_params() to extract information about the PHY
tuning pattern and it's size from controller.

Signed-off-by: Santhosh Kumar K <s-k6@...com>
---
 drivers/spi/spi-cadence-quadspi.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c
index 1626cb9a9700..c9c4341d3275 100644
--- a/drivers/spi/spi-cadence-quadspi.c
+++ b/drivers/spi/spi-cadence-quadspi.c
@@ -2170,6 +2170,14 @@ static int cqspi_mem_execute_tuning(struct spi_mem *mem,
 	return ret;
 }
 
+static int cqspi_get_tuning_params(struct spi_mem *mem,
+				   struct spi_mem_tuning_params *tuning_params)
+{
+	tuning_params->pattern_ptr = phy_tuning_pattern;
+	tuning_params->pattern_size = sizeof(phy_tuning_pattern);
+	return 0;
+}
+
 static int cqspi_of_get_flash_pdata(struct platform_device *pdev,
 				    struct cqspi_flash_pdata *f_pdata,
 				    struct device_node *np)
@@ -2345,6 +2353,7 @@ static const struct spi_controller_mem_ops cqspi_mem_ops = {
 	.get_name = cqspi_get_name,
 	.supports_op = cqspi_supports_mem_op,
 	.execute_tuning = cqspi_mem_execute_tuning,
+	.get_tuning_params = cqspi_get_tuning_params,
 };
 
 static const struct spi_controller_mem_caps cqspi_mem_caps = {
-- 
2.34.1