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Message-ID: <20240104133013.2911035-4-sjakhade@cadence.com>
Date: Thu, 4 Jan 2024 14:30:11 +0100
From: Swapnil Jakhade <sjakhade@...ence.com>
To: <vkoul@...nel.org>, <kishon@...nel.org>, <robh+dt@...nel.org>,
<krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
<linux-phy@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
<devicetree@...r.kernel.org>
CC: <mparab@...ence.com>, <sjakhade@...ence.com>, <rogerq@...nel.org>,
<s-vadapalli@...com>
Subject: [PATCH v4 3/5] phy: cadence-torrent: Add USXGMII(156.25MHz) + SGMII/QSGMII(100MHz) multilink configuration
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@...ence.com>
Reviewed-by: Roger Quadros <rogerq@...nel.org>
---
drivers/phy/cadence/phy-cadence-torrent.c | 101 ++++++++++++++++++++++
1 file changed, 101 insertions(+)
diff --git a/drivers/phy/cadence/phy-cadence-torrent.c b/drivers/phy/cadence/phy-cadence-torrent.c
index d22ffc97bce9..d1f9ffed5bba 100644
--- a/drivers/phy/cadence/phy-cadence-torrent.c
+++ b/drivers/phy/cadence/phy-cadence-torrent.c
@@ -3106,6 +3106,73 @@ 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},
@@ -4337,10 +4404,12 @@ 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},
@@ -4350,6 +4419,8 @@ 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[] = {
@@ -4367,10 +4438,12 @@ 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},
@@ -4380,6 +4453,8 @@ 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[] = {
@@ -4459,7 +4534,13 @@ 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[] = {
@@ -4531,7 +4612,13 @@ 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[] = {
@@ -4603,7 +4690,13 @@ 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 = {
@@ -4638,6 +4731,8 @@ 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[] = {
@@ -4709,7 +4804,13 @@ 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 = {
--
2.25.1
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