diff mbox series

[v3,3/5] phy: cadence-torrent: Add USXGMII(156.25MHz) + SGMII/QSGMII(100MHz) multilink configuration

Message ID 20231221162051.2131202-4-sjakhade@cadence.com
State Superseded
Headers show
Series PHY: Add support for dual refclk configurations in Cadence Torrent PHY driver | expand

Commit Message

Swapnil Kashinath Jakhade Dec. 21, 2023, 4:20 p.m. UTC 
Add register sequences for USXGMII(156.25MHz) + SGMII/QSGMII(100MHz)
multilink configuration. USXGMII uses PLL0 and SGMII/QSGMII uses PLL1.

Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>
---
 drivers/phy/cadence/phy-cadence-torrent.c | 101 ++++++++++++++++++++++
 1 file changed, 101 insertions(+)

Comments

Roger Quadros Dec. 22, 2023, 10:11 a.m. UTC | #1 
On 21/12/2023 18:20, Swapnil Jakhade wrote:
> Add register sequences for USXGMII(156.25MHz) + SGMII/QSGMII(100MHz)
> multilink configuration. USXGMII uses PLL0 and SGMII/QSGMII uses PLL1.
> 
> Signed-off-by: Swapnil Jakhade <sjakhade@cadence.com>

Reviewed-by: Roger Quadros <rogerq@kernel.org>
diff mbox series

Patch

diff --git a/drivers/phy/cadence/phy-cadence-torrent.c b/drivers/phy/cadence/phy-cadence-torrent.c
index 18ec49c9a76e..38828b15d8b1 100644
--- a/drivers/phy/cadence/phy-cadence-torrent.c
+++ b/drivers/phy/cadence/phy-cadence-torrent.c
@@ -3103,6 +3103,73 @@  static struct cdns_torrent_vals dp_usb_xcvr_diag_ln_vals = {
 	.num_regs = ARRAY_SIZE(dp_usb_xcvr_diag_ln_regs),
 };
 
+/* USXGMII and SGMII/QSGMII link configuration */
+static struct cdns_reg_pairs usxgmii_sgmii_link_cmn_regs[] = {
+	{0x0002, PHY_PLL_CFG},
+	{0x0400, CMN_PDIAG_PLL0_CLK_SEL_M0},
+	{0x0601, CMN_PDIAG_PLL1_CLK_SEL_M0}
+};
+
+static struct cdns_reg_pairs usxgmii_sgmii_xcvr_diag_ln_regs[] = {
+	{0x0000, XCVR_DIAG_HSCLK_SEL},
+	{0x0001, XCVR_DIAG_HSCLK_DIV},
+	{0x0001, XCVR_DIAG_PLLDRC_CTRL}
+};
+
+static struct cdns_reg_pairs sgmii_usxgmii_xcvr_diag_ln_regs[] = {
+	{0x0111, XCVR_DIAG_HSCLK_SEL},
+	{0x0103, XCVR_DIAG_HSCLK_DIV},
+	{0x0A9B, XCVR_DIAG_PLLDRC_CTRL}
+};
+
+static struct cdns_torrent_vals usxgmii_sgmii_link_cmn_vals = {
+	.reg_pairs = usxgmii_sgmii_link_cmn_regs,
+	.num_regs = ARRAY_SIZE(usxgmii_sgmii_link_cmn_regs),
+};
+
+static struct cdns_torrent_vals usxgmii_sgmii_xcvr_diag_ln_vals = {
+	.reg_pairs = usxgmii_sgmii_xcvr_diag_ln_regs,
+	.num_regs = ARRAY_SIZE(usxgmii_sgmii_xcvr_diag_ln_regs),
+};
+
+static struct cdns_torrent_vals sgmii_usxgmii_xcvr_diag_ln_vals = {
+	.reg_pairs = sgmii_usxgmii_xcvr_diag_ln_regs,
+	.num_regs = ARRAY_SIZE(sgmii_usxgmii_xcvr_diag_ln_regs),
+};
+
+/* Multilink USXGMII, using PLL0, 156.25 MHz Ref clk, no SSC */
+static struct cdns_reg_pairs ml_usxgmii_pll0_156_25_no_ssc_cmn_regs[] = {
+	{0x0014, CMN_PLL0_DSM_FBH_OVRD_M0},
+	{0x0005, CMN_PLL0_DSM_FBL_OVRD_M0},
+	{0x061B, CMN_PLL0_VCOCAL_INIT_TMR},
+	{0x0019, CMN_PLL0_VCOCAL_ITER_TMR},
+	{0x1354, CMN_PLL0_VCOCAL_REFTIM_START},
+	{0x1354, CMN_PLL0_VCOCAL_PLLCNT_START},
+	{0x0003, CMN_PLL0_VCOCAL_TCTRL},
+	{0x0138, CMN_PLL0_LOCK_REFCNT_START},
+	{0x0138, CMN_PLL0_LOCK_PLLCNT_START}
+};
+
+static struct cdns_torrent_vals ml_usxgmii_pll0_156_25_no_ssc_cmn_vals = {
+	.reg_pairs = ml_usxgmii_pll0_156_25_no_ssc_cmn_regs,
+	.num_regs = ARRAY_SIZE(ml_usxgmii_pll0_156_25_no_ssc_cmn_regs),
+};
+
+/* Multilink SGMII/QSGMII, using PLL1, 100 MHz Ref clk, no SSC */
+static struct cdns_reg_pairs ml_sgmii_pll1_100_no_ssc_cmn_regs[] = {
+	{0x0028, CMN_PDIAG_PLL1_CP_PADJ_M0},
+	{0x001E, CMN_PLL1_DSM_FBH_OVRD_M0},
+	{0x000C, CMN_PLL1_DSM_FBL_OVRD_M0},
+	{0x0003, CMN_PLL1_VCOCAL_TCTRL},
+	{0x007F, CMN_TXPUCAL_TUNE},
+	{0x007F, CMN_TXPDCAL_TUNE}
+};
+
+static struct cdns_torrent_vals ml_sgmii_pll1_100_no_ssc_cmn_vals = {
+	.reg_pairs = ml_sgmii_pll1_100_no_ssc_cmn_regs,
+	.num_regs = ARRAY_SIZE(ml_sgmii_pll1_100_no_ssc_cmn_regs),
+};
+
 /* PCIe and USXGMII link configuration */
 static struct cdns_reg_pairs pcie_usxgmii_link_cmn_regs[] = {
 	{0x0003, PHY_PLL_CFG},
@@ -4334,10 +4401,12 @@  static struct cdns_torrent_vals_entry link_cmn_vals_entries[] = {
 	{CDNS_TORRENT_KEY_ANYCLK(TYPE_SGMII, TYPE_NONE), &sl_sgmii_link_cmn_vals},
 	{CDNS_TORRENT_KEY_ANYCLK(TYPE_SGMII, TYPE_PCIE), &pcie_sgmii_link_cmn_vals},
 	{CDNS_TORRENT_KEY_ANYCLK(TYPE_SGMII, TYPE_USB), &usb_sgmii_link_cmn_vals},
+	{CDNS_TORRENT_KEY_ANYCLK(TYPE_SGMII, TYPE_USXGMII), &usxgmii_sgmii_link_cmn_vals},
 
 	{CDNS_TORRENT_KEY_ANYCLK(TYPE_QSGMII, TYPE_NONE), &sl_sgmii_link_cmn_vals},
 	{CDNS_TORRENT_KEY_ANYCLK(TYPE_QSGMII, TYPE_PCIE), &pcie_sgmii_link_cmn_vals},
 	{CDNS_TORRENT_KEY_ANYCLK(TYPE_QSGMII, TYPE_USB), &usb_sgmii_link_cmn_vals},
+	{CDNS_TORRENT_KEY_ANYCLK(TYPE_QSGMII, TYPE_USXGMII), &usxgmii_sgmii_link_cmn_vals},
 
 	{CDNS_TORRENT_KEY_ANYCLK(TYPE_USB, TYPE_NONE), &sl_usb_link_cmn_vals},
 	{CDNS_TORRENT_KEY_ANYCLK(TYPE_USB, TYPE_PCIE), &pcie_usb_link_cmn_vals},
@@ -4347,6 +4416,8 @@  static struct cdns_torrent_vals_entry link_cmn_vals_entries[] = {
 
 	{CDNS_TORRENT_KEY_ANYCLK(TYPE_USXGMII, TYPE_NONE), &sl_usxgmii_link_cmn_vals},
 	{CDNS_TORRENT_KEY_ANYCLK(TYPE_USXGMII, TYPE_PCIE), &pcie_usxgmii_link_cmn_vals},
+	{CDNS_TORRENT_KEY_ANYCLK(TYPE_USXGMII, TYPE_SGMII), &usxgmii_sgmii_link_cmn_vals},
+	{CDNS_TORRENT_KEY_ANYCLK(TYPE_USXGMII, TYPE_QSGMII), &usxgmii_sgmii_link_cmn_vals},
 };
 
 static struct cdns_torrent_vals_entry xcvr_diag_vals_entries[] = {
@@ -4364,10 +4435,12 @@  static struct cdns_torrent_vals_entry xcvr_diag_vals_entries[] = {
 	{CDNS_TORRENT_KEY_ANYCLK(TYPE_SGMII, TYPE_NONE), &sl_sgmii_xcvr_diag_ln_vals},
 	{CDNS_TORRENT_KEY_ANYCLK(TYPE_SGMII, TYPE_PCIE), &sgmii_pcie_xcvr_diag_ln_vals},
 	{CDNS_TORRENT_KEY_ANYCLK(TYPE_SGMII, TYPE_USB), &sgmii_usb_xcvr_diag_ln_vals},
+	{CDNS_TORRENT_KEY_ANYCLK(TYPE_SGMII, TYPE_USXGMII), &sgmii_usxgmii_xcvr_diag_ln_vals},
 
 	{CDNS_TORRENT_KEY_ANYCLK(TYPE_QSGMII, TYPE_NONE), &sl_sgmii_xcvr_diag_ln_vals},
 	{CDNS_TORRENT_KEY_ANYCLK(TYPE_QSGMII, TYPE_PCIE), &sgmii_pcie_xcvr_diag_ln_vals},
 	{CDNS_TORRENT_KEY_ANYCLK(TYPE_QSGMII, TYPE_USB), &sgmii_usb_xcvr_diag_ln_vals},
+	{CDNS_TORRENT_KEY_ANYCLK(TYPE_QSGMII, TYPE_USXGMII), &sgmii_usxgmii_xcvr_diag_ln_vals},
 
 	{CDNS_TORRENT_KEY_ANYCLK(TYPE_USB, TYPE_NONE), &sl_usb_xcvr_diag_ln_vals},
 	{CDNS_TORRENT_KEY_ANYCLK(TYPE_USB, TYPE_PCIE), &usb_pcie_xcvr_diag_ln_vals},
@@ -4377,6 +4450,8 @@  static struct cdns_torrent_vals_entry xcvr_diag_vals_entries[] = {
 
 	{CDNS_TORRENT_KEY_ANYCLK(TYPE_USXGMII, TYPE_NONE), &sl_usxgmii_xcvr_diag_ln_vals},
 	{CDNS_TORRENT_KEY_ANYCLK(TYPE_USXGMII, TYPE_PCIE), &usxgmii_pcie_xcvr_diag_ln_vals},
+	{CDNS_TORRENT_KEY_ANYCLK(TYPE_USXGMII, TYPE_SGMII), &usxgmii_sgmii_xcvr_diag_ln_vals},
+	{CDNS_TORRENT_KEY_ANYCLK(TYPE_USXGMII, TYPE_QSGMII), &usxgmii_sgmii_xcvr_diag_ln_vals},
 };
 
 static struct cdns_torrent_vals_entry pcs_cmn_vals_entries[] = {
@@ -4456,7 +4531,13 @@  static struct cdns_torrent_vals_entry cmn_vals_entries[] = {
 	/* Dual refclk */
 	{CDNS_TORRENT_KEY(CLK_100_MHZ, CLK_156_25_MHZ, TYPE_PCIE, TYPE_USXGMII, NO_SSC), NULL},
 
+	{CDNS_TORRENT_KEY(CLK_100_MHZ, CLK_156_25_MHZ, TYPE_SGMII, TYPE_USXGMII, NO_SSC), &ml_sgmii_pll1_100_no_ssc_cmn_vals},
+
+	{CDNS_TORRENT_KEY(CLK_100_MHZ, CLK_156_25_MHZ, TYPE_QSGMII, TYPE_USXGMII, NO_SSC), &ml_sgmii_pll1_100_no_ssc_cmn_vals},
+
 	{CDNS_TORRENT_KEY(CLK_156_25_MHZ, CLK_100_MHZ, TYPE_USXGMII, TYPE_PCIE, NO_SSC), &ml_usxgmii_pll1_156_25_no_ssc_cmn_vals},
+	{CDNS_TORRENT_KEY(CLK_156_25_MHZ, CLK_100_MHZ, TYPE_USXGMII, TYPE_SGMII, NO_SSC), &ml_usxgmii_pll0_156_25_no_ssc_cmn_vals},
+	{CDNS_TORRENT_KEY(CLK_156_25_MHZ, CLK_100_MHZ, TYPE_USXGMII, TYPE_QSGMII, NO_SSC), &ml_usxgmii_pll0_156_25_no_ssc_cmn_vals},
 };
 
 static struct cdns_torrent_vals_entry cdns_tx_ln_vals_entries[] = {
@@ -4528,7 +4609,13 @@  static struct cdns_torrent_vals_entry cdns_tx_ln_vals_entries[] = {
 	/* Dual refclk */
 	{CDNS_TORRENT_KEY(CLK_100_MHZ, CLK_156_25_MHZ, TYPE_PCIE, TYPE_USXGMII, NO_SSC), NULL},
 
+	{CDNS_TORRENT_KEY(CLK_100_MHZ, CLK_156_25_MHZ, TYPE_SGMII, TYPE_USXGMII, NO_SSC), &sgmii_100_no_ssc_tx_ln_vals},
+
+	{CDNS_TORRENT_KEY(CLK_100_MHZ, CLK_156_25_MHZ, TYPE_QSGMII, TYPE_USXGMII, NO_SSC), &qsgmii_100_no_ssc_tx_ln_vals},
+
 	{CDNS_TORRENT_KEY(CLK_156_25_MHZ, CLK_100_MHZ, TYPE_USXGMII, TYPE_PCIE, NO_SSC), &ml_usxgmii_156_25_no_ssc_tx_ln_vals},
+	{CDNS_TORRENT_KEY(CLK_156_25_MHZ, CLK_100_MHZ, TYPE_USXGMII, TYPE_SGMII, NO_SSC), &ml_usxgmii_156_25_no_ssc_tx_ln_vals},
+	{CDNS_TORRENT_KEY(CLK_156_25_MHZ, CLK_100_MHZ, TYPE_USXGMII, TYPE_QSGMII, NO_SSC), &ml_usxgmii_156_25_no_ssc_tx_ln_vals},
 };
 
 static struct cdns_torrent_vals_entry cdns_rx_ln_vals_entries[] = {
@@ -4600,7 +4687,13 @@  static struct cdns_torrent_vals_entry cdns_rx_ln_vals_entries[] = {
 	/* Dual refclk */
 	{CDNS_TORRENT_KEY(CLK_100_MHZ, CLK_156_25_MHZ, TYPE_PCIE, TYPE_USXGMII, NO_SSC), &pcie_100_no_ssc_rx_ln_vals},
 
+	{CDNS_TORRENT_KEY(CLK_100_MHZ, CLK_156_25_MHZ, TYPE_SGMII, TYPE_USXGMII, NO_SSC), &sgmii_100_no_ssc_rx_ln_vals},
+
+	{CDNS_TORRENT_KEY(CLK_100_MHZ, CLK_156_25_MHZ, TYPE_QSGMII, TYPE_USXGMII, NO_SSC), &qsgmii_100_no_ssc_rx_ln_vals},
+
 	{CDNS_TORRENT_KEY(CLK_156_25_MHZ, CLK_100_MHZ, TYPE_USXGMII, TYPE_PCIE, NO_SSC), &ml_usxgmii_156_25_no_ssc_rx_ln_vals},
+	{CDNS_TORRENT_KEY(CLK_156_25_MHZ, CLK_100_MHZ, TYPE_USXGMII, TYPE_SGMII, NO_SSC), &ml_usxgmii_156_25_no_ssc_rx_ln_vals},
+	{CDNS_TORRENT_KEY(CLK_156_25_MHZ, CLK_100_MHZ, TYPE_USXGMII, TYPE_QSGMII, NO_SSC), &ml_usxgmii_156_25_no_ssc_rx_ln_vals},
 };
 
 static const struct cdns_torrent_data cdns_map_torrent = {
@@ -4635,6 +4728,8 @@  static const struct cdns_torrent_data cdns_map_torrent = {
 static struct cdns_torrent_vals_entry j721e_phy_pma_cmn_vals_entries[] = {
 	{CDNS_TORRENT_KEY_ANYCLK(TYPE_USXGMII, TYPE_NONE), &ti_usxgmii_phy_pma_cmn_vals},
 	{CDNS_TORRENT_KEY_ANYCLK(TYPE_USXGMII, TYPE_PCIE), &ti_usxgmii_phy_pma_cmn_vals},
+	{CDNS_TORRENT_KEY_ANYCLK(TYPE_USXGMII, TYPE_SGMII), &ti_usxgmii_phy_pma_cmn_vals},
+	{CDNS_TORRENT_KEY_ANYCLK(TYPE_USXGMII, TYPE_QSGMII), &ti_usxgmii_phy_pma_cmn_vals},
 };
 
 static struct cdns_torrent_vals_entry ti_tx_ln_vals_entries[] = {
@@ -4706,7 +4801,13 @@  static struct cdns_torrent_vals_entry ti_tx_ln_vals_entries[] = {
 	/* Dual refclk */
 	{CDNS_TORRENT_KEY(CLK_100_MHZ, CLK_156_25_MHZ, TYPE_PCIE, TYPE_USXGMII, NO_SSC), NULL},
 
+	{CDNS_TORRENT_KEY(CLK_100_MHZ, CLK_156_25_MHZ, TYPE_SGMII, TYPE_USXGMII, NO_SSC), &ti_sgmii_100_no_ssc_tx_ln_vals},
+
+	{CDNS_TORRENT_KEY(CLK_100_MHZ, CLK_156_25_MHZ, TYPE_QSGMII, TYPE_USXGMII, NO_SSC), &ti_qsgmii_100_no_ssc_tx_ln_vals},
+
 	{CDNS_TORRENT_KEY(CLK_156_25_MHZ, CLK_100_MHZ, TYPE_USXGMII, TYPE_PCIE, NO_SSC), &ml_usxgmii_156_25_no_ssc_tx_ln_vals},
+	{CDNS_TORRENT_KEY(CLK_156_25_MHZ, CLK_100_MHZ, TYPE_USXGMII, TYPE_SGMII, NO_SSC), &ml_usxgmii_156_25_no_ssc_tx_ln_vals},
+	{CDNS_TORRENT_KEY(CLK_156_25_MHZ, CLK_100_MHZ, TYPE_USXGMII, TYPE_QSGMII, NO_SSC), &ml_usxgmii_156_25_no_ssc_tx_ln_vals},
 };
 
 static const struct cdns_torrent_data ti_j721e_map_torrent = {