diff mbox series

[net-next,v2,5/5] net: dsa: microchip: Add register access control for KSZ8873 chip

Message ID 20230526073445.668430-6-o.rempel@pengutronix.de
State New
Headers
Series Microchip DSA Driver Improvements |

Commit Message

Oleksij Rempel May 26, 2023, 7:34 a.m. UTC 
  This update introduces specific register access boundaries for the
KSZ8873 and KSZ8863 chips within the DSA Microchip driver. The outlined
ranges target global control registers, port registers, and advanced
control registers.

Signed-off-by: Oleksij Rempel <o.rempel@pengutronix.de>
---
 drivers/net/dsa/microchip/ksz_common.c | 41 ++++++++++++++++++++++++++
 1 file changed, 41 insertions(+)
diff mbox series

Patch

diff --git a/drivers/net/dsa/microchip/ksz_common.c b/drivers/net/dsa/microchip/ksz_common.c
index 53bb7d9712d0..768f649d2f40 100644
--- a/drivers/net/dsa/microchip/ksz_common.c
+++ b/drivers/net/dsa/microchip/ksz_common.c
@@ -1075,6 +1075,45 @@  static const struct regmap_access_table ksz9896_register_set = {
 	.n_yes_ranges = ARRAY_SIZE(ksz9896_valid_regs),
 };
 
+static const struct regmap_range ksz8873_valid_regs[] = {
+	regmap_reg_range(0x00, 0x01),
+	/* global control register */
+	regmap_reg_range(0x02, 0x0f),
+
+	/* port registers */
+	regmap_reg_range(0x10, 0x1d),
+	regmap_reg_range(0x1e, 0x1f),
+	regmap_reg_range(0x20, 0x2d),
+	regmap_reg_range(0x2e, 0x2f),
+	regmap_reg_range(0x30, 0x39),
+	regmap_reg_range(0x3f, 0x3f),
+
+	/* advanced control registers */
+	regmap_reg_range(0x60, 0x6f),
+	regmap_reg_range(0x70, 0x75),
+	regmap_reg_range(0x76, 0x78),
+	regmap_reg_range(0x79, 0x7a),
+	regmap_reg_range(0x7b, 0x83),
+	regmap_reg_range(0x8e, 0x99),
+	regmap_reg_range(0x9a, 0xa5),
+	regmap_reg_range(0xa6, 0xa6),
+	regmap_reg_range(0xa7, 0xaa),
+	regmap_reg_range(0xab, 0xae),
+	regmap_reg_range(0xaf, 0xba),
+	regmap_reg_range(0xbb, 0xbc),
+	regmap_reg_range(0xbd, 0xbd),
+	regmap_reg_range(0xc0, 0xc0),
+	regmap_reg_range(0xc2, 0xc2),
+	regmap_reg_range(0xc3, 0xc3),
+	regmap_reg_range(0xc4, 0xc4),
+	regmap_reg_range(0xc6, 0xc6),
+};
+
+static const struct regmap_access_table ksz8873_register_set = {
+	.yes_ranges = ksz8873_valid_regs,
+	.n_yes_ranges = ARRAY_SIZE(ksz8873_valid_regs),
+};
+
 const struct ksz_chip_data ksz_switch_chips[] = {
 	[KSZ8563] = {
 		.chip_id = KSZ8563_CHIP_ID,
@@ -1214,6 +1253,8 @@  const struct ksz_chip_data ksz_switch_chips[] = {
 		.supports_mii = {false, false, true},
 		.supports_rmii = {false, false, true},
 		.internal_phy = {true, true, false},
+		.wr_table = &ksz8873_register_set,
+		.rd_table = &ksz8873_register_set,
 	},
 
 	[KSZ9477] = {