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Date: Mon, 7 Nov 2022 14:59:18 +0530
From: Rakesh Sankaranarayanan <rakesh.sankaranarayanan@...rochip.com>
To: <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>
CC: <woojung.huh@...rochip.com>, <UNGLinuxDriver@...rochip.com>,
<andrew@...n.ch>, <vivien.didelot@...il.com>,
<f.fainelli@...il.com>, <olteanv@...il.com>, <davem@...emloft.net>,
<edumazet@...gle.com>, <kuba@...nel.org>, <pabeni@...hat.com>
Subject: [PATCH net-next v2 1/5] net: dsa: microchip: add ksz9563 in ksz_switch_ops and select based on compatible string
Add KSZ9563 inside ksz_switch_chips structure with
port_nirq as 3. KSZ9563 use KSZ9893 switch parameters
but port_nirq count is 3 for KSZ9563 whereas 2 for
KSZ9893. Add KSZ9563 inside ksz_switch_chips as a separate
member and from device tree map compatible string into
KSZ9563 inside ksz_spi.c and ksz9477_i2c.c.
Global Chip ID 1 and 2 registers read value 9893, select
sku based on Global Chip ID 4 Register which read 0x1c
for KSZ9563.
Signed-off-by: Rakesh Sankaranarayanan <rakesh.sankaranarayanan@...rochip.com>
---
drivers/net/dsa/microchip/ksz9477.c | 3 ++-
drivers/net/dsa/microchip/ksz9477_i2c.c | 2 +-
drivers/net/dsa/microchip/ksz_common.c | 33 +++++++++++++++++++++++--
drivers/net/dsa/microchip/ksz_common.h | 3 +++
drivers/net/dsa/microchip/ksz_spi.c | 2 +-
5 files changed, 38 insertions(+), 5 deletions(-)
diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c
index a6a0321a8931..0d6b40968657 100644
--- a/drivers/net/dsa/microchip/ksz9477.c
+++ b/drivers/net/dsa/microchip/ksz9477.c
@@ -195,7 +195,8 @@ int ksz9477_reset_switch(struct ksz_device *dev)
/* KSZ9893 compatible chips do not support refclk configuration */
if (dev->chip_id == KSZ9893_CHIP_ID ||
- dev->chip_id == KSZ8563_CHIP_ID)
+ dev->chip_id == KSZ8563_CHIP_ID ||
+ dev->chip_id == KSZ9563_CHIP_ID)
return 0;
data8 = SW_ENABLE_REFCLKO;
diff --git a/drivers/net/dsa/microchip/ksz9477_i2c.c b/drivers/net/dsa/microchip/ksz9477_i2c.c
index 3763930dc6fc..55146584e9b5 100644
--- a/drivers/net/dsa/microchip/ksz9477_i2c.c
+++ b/drivers/net/dsa/microchip/ksz9477_i2c.c
@@ -101,7 +101,7 @@ static const struct of_device_id ksz9477_dt_ids[] = {
},
{
.compatible = "microchip,ksz9563",
- .data = &ksz_switch_chips[KSZ9893]
+ .data = &ksz_switch_chips[KSZ9563]
},
{
.compatible = "microchip,ksz8563",
diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index d612181b3226..f7e414e747ed 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -1282,6 +1282,31 @@ const struct ksz_chip_data ksz_switch_chips[] = {
.gbit_capable = {true, true, true},
},
+ [KSZ9563] = {
+ .chip_id = KSZ9563_CHIP_ID,
+ .dev_name = "KSZ9563",
+ .num_vlans = 4096,
+ .num_alus = 4096,
+ .num_statics = 16,
+ .cpu_ports = 0x07, /* can be configured as cpu port */
+ .port_cnt = 3, /* total port count */
+ .port_nirqs = 3,
+ .ops = &ksz9477_dev_ops,
+ .mib_names = ksz9477_mib_names,
+ .mib_cnt = ARRAY_SIZE(ksz9477_mib_names),
+ .reg_mib_cnt = MIB_COUNTER_NUM,
+ .regs = ksz9477_regs,
+ .masks = ksz9477_masks,
+ .shifts = ksz9477_shifts,
+ .xmii_ctrl0 = ksz9477_xmii_ctrl0,
+ .xmii_ctrl1 = ksz8795_xmii_ctrl1, /* Same as ksz8795 */
+ .supports_mii = {false, false, true},
+ .supports_rmii = {false, false, true},
+ .supports_rgmii = {false, false, true},
+ .internal_phy = {true, true, false},
+ .gbit_capable = {true, true, true},
+ },
+
[KSZ9567] = {
.chip_id = KSZ9567_CHIP_ID,
.dev_name = "KSZ9567",
@@ -2389,7 +2414,8 @@ static enum dsa_tag_protocol ksz_get_tag_protocol(struct dsa_switch *ds,
if (dev->chip_id == KSZ8830_CHIP_ID ||
dev->chip_id == KSZ8563_CHIP_ID ||
- dev->chip_id == KSZ9893_CHIP_ID)
+ dev->chip_id == KSZ9893_CHIP_ID ||
+ dev->chip_id == KSZ9563_CHIP_ID)
proto = DSA_TAG_PROTO_KSZ9893;
if (dev->chip_id == KSZ9477_CHIP_ID ||
@@ -2509,7 +2535,8 @@ static void ksz_set_xmii(struct ksz_device *dev, int port,
data8 |= bitval[P_RGMII_SEL];
/* On KSZ9893, disable RGMII in-band status support */
if (dev->chip_id == KSZ9893_CHIP_ID ||
- dev->chip_id == KSZ8563_CHIP_ID)
+ dev->chip_id == KSZ8563_CHIP_ID ||
+ dev->chip_id == KSZ9563_CHIP_ID)
data8 &= ~P_MII_MAC_MODE;
break;
default:
@@ -2782,6 +2809,8 @@ static int ksz_switch_detect(struct ksz_device *dev)
if (id4 == SKU_ID_KSZ8563)
dev->chip_id = KSZ8563_CHIP_ID;
+ else if (id4 == SKU_ID_KSZ9563)
+ dev->chip_id = KSZ9563_CHIP_ID;
else
dev->chip_id = KSZ9893_CHIP_ID;
diff --git a/drivers/net/dsa/microchip/ksz_common.h b/drivers/net/dsa/microchip/ksz_common.h
index 9cfa179575ce..c6726cbd5465 100644
--- a/drivers/net/dsa/microchip/ksz_common.h
+++ b/drivers/net/dsa/microchip/ksz_common.h
@@ -154,6 +154,7 @@ enum ksz_model {
KSZ9896,
KSZ9897,
KSZ9893,
+ KSZ9563,
KSZ9567,
LAN9370,
LAN9371,
@@ -172,6 +173,7 @@ enum ksz_chip_id {
KSZ9896_CHIP_ID = 0x00989600,
KSZ9897_CHIP_ID = 0x00989700,
KSZ9893_CHIP_ID = 0x00989300,
+ KSZ9563_CHIP_ID = 0x00956300,
KSZ9567_CHIP_ID = 0x00956700,
LAN9370_CHIP_ID = 0x00937000,
LAN9371_CHIP_ID = 0x00937100,
@@ -551,6 +553,7 @@ static inline int is_lan937x(struct ksz_device *dev)
/* KSZ9893, KSZ9563, KSZ8563 specific register */
#define REG_CHIP_ID4 0x0f
#define SKU_ID_KSZ8563 0x3c
+#define SKU_ID_KSZ9563 0x1c
/* Driver set switch broadcast storm protection at 10% rate. */
#define BROADCAST_STORM_PROT_RATE 10
diff --git a/drivers/net/dsa/microchip/ksz_spi.c b/drivers/net/dsa/microchip/ksz_spi.c
index 1b6ab891b986..4f2186779082 100644
--- a/drivers/net/dsa/microchip/ksz_spi.c
+++ b/drivers/net/dsa/microchip/ksz_spi.c
@@ -163,7 +163,7 @@ static const struct of_device_id ksz_dt_ids[] = {
},
{
.compatible = "microchip,ksz9563",
- .data = &ksz_switch_chips[KSZ9893]
+ .data = &ksz_switch_chips[KSZ9563]
},
{
.compatible = "microchip,ksz8563",
--
2.34.1
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