linux-kernel - [PATCH v4 05/15] phy: cadence: Sierra: Add support to get SSC type from device tree

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Message-ID: <20211223060137.9252-6-sjakhade@cadence.com>
Date:   Thu, 23 Dec 2021 07:01:27 +0100
From:   Swapnil Jakhade <sjakhade@...ence.com>
To:     <vkoul@...nel.org>, <kishon@...com>, <robh+dt@...nel.org>,
        <p.zabel@...gutronix.de>, <linux-phy@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <devicetree@...r.kernel.org>
CC:     <mparab@...ence.com>, <sjakhade@...ence.com>, <a-govindraju@...com>
Subject: [PATCH v4 05/15] phy: cadence: Sierra: Add support to get SSC type from device tree

Add support to get SSC type from DT.

Signed-off-by: Swapnil Jakhade <sjakhade@...ence.com>
Reviewed-by: Aswath Govindraju <a-govindraju@...com>
---
 drivers/phy/cadence/phy-cadence-sierra.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/phy/cadence/phy-cadence-sierra.c b/drivers/phy/cadence/phy-cadence-sierra.c
index c82ac6716f5e..4674328574f5 100644
--- a/drivers/phy/cadence/phy-cadence-sierra.c
+++ b/drivers/phy/cadence/phy-cadence-sierra.c
@@ -238,6 +238,7 @@ struct cdns_sierra_inst {
 	u32 num_lanes;
 	u32 mlane;
 	struct reset_control *lnk_rst;
+	enum cdns_sierra_ssc_mode ssc_mode;
 };
 
 struct cdns_reg_pairs {
@@ -360,7 +361,7 @@ static int cdns_sierra_phy_init(struct phy *gphy)
 	const struct cdns_sierra_data *init_data = phy->init_data;
 	struct cdns_sierra_vals *pma_cmn_vals, *pma_ln_vals;
 	enum cdns_sierra_phy_type phy_type = ins->phy_type;
-	enum cdns_sierra_ssc_mode ssc = EXTERNAL_SSC;
+	enum cdns_sierra_ssc_mode ssc = ins->ssc_mode;
 	const struct cdns_reg_pairs *reg_pairs;
 	struct regmap *regmap;
 	u32 num_regs;
@@ -623,6 +624,9 @@ static int cdns_sierra_get_optional(struct cdns_sierra_inst *inst,
 		return -EINVAL;
 	}
 
+	inst->ssc_mode = EXTERNAL_SSC;
+	of_property_read_u32(child, "cdns,ssc-mode", &inst->ssc_mode);
+
 	return 0;
 }
 
-- 
2.26.1