From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/drivers/net/phy/motorcomm.c | 215 ++++++++++++++++++++++++++++++++++++++++++++++++++---
1 files changed, 201 insertions(+), 14 deletions(-)
diff --git a/kernel/drivers/net/phy/motorcomm.c b/kernel/drivers/net/phy/motorcomm.c
index 2469a6a..1fd72a3 100644
--- a/kernel/drivers/net/phy/motorcomm.c
+++ b/kernel/drivers/net/phy/motorcomm.c
@@ -8,9 +8,12 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/netdevice.h>
+#include <linux/of_device.h>
#include <linux/phy.h>
#define PHY_ID_YT8511 0x0000010a
+#define PHY_ID_YT8512 0x00000118
+#define PHY_ID_YT8512B 0x00000128
#define PHY_ID_YT8531S 0x4f51e91a
#define PHY_ID_YT8531 0x4f51e91b
@@ -40,6 +43,33 @@
#define YT8511_DELAY_GE_TX_DIS (0x2 << 4)
#define YT8511_DELAY_FE_TX_EN (0xf << 12)
#define YT8511_DELAY_FE_TX_DIS (0x2 << 12)
+
+#define YT8512_EXTREG_AFE_PLL 0x50
+#define YT8512_EXTREG_EXTEND_COMBO 0x4000
+#define YT8512_EXTREG_LED0 0x40c0
+#define YT8512_EXTREG_LED1 0x40c3
+
+#define YT8512_EXTREG_SLEEP_CONTROL1 0x2027
+
+#define YT_SOFTWARE_RESET 0x8000
+
+#define YT8512_CONFIG_PLL_REFCLK_SEL_EN 0x0040
+#define YT8512_CONTROL1_RMII_EN 0x0001
+#define YT8512_LED0_ACT_BLK_IND 0x1000
+#define YT8512_LED0_DIS_LED_AN_TRY 0x0001
+#define YT8512_LED0_BT_BLK_EN 0x0002
+#define YT8512_LED0_HT_BLK_EN 0x0004
+#define YT8512_LED0_COL_BLK_EN 0x0008
+#define YT8512_LED0_BT_ON_EN 0x0010
+#define YT8512_LED1_BT_ON_EN 0x0010
+#define YT8512_LED1_TXACT_BLK_EN 0x0100
+#define YT8512_LED1_RXACT_BLK_EN 0x0200
+#define YT8512_SPEED_MODE 0xc000
+#define YT8512_DUPLEX 0x2000
+
+#define YT8512_SPEED_MODE_BIT 14
+#define YT8512_DUPLEX_BIT 13
+#define YT8512_EN_SLEEP_SW_BIT 15
/* if system depends on ethernet packet to restore from sleep,
* please define this macro to 1 otherwise, define it to 0.
@@ -153,16 +183,6 @@
return phy_restore_page(phydev, oldpage, ret);
}
-static inline void phy_lock_mdio_bus(struct phy_device *phydev)
-{
- mutex_lock(&phydev->mdio.bus->mdio_lock);
-}
-
-static inline void phy_unlock_mdio_bus(struct phy_device *phydev)
-{
- mutex_unlock(&phydev->mdio.bus->mdio_lock);
-}
-
static u32 ytphy_read_ext(struct phy_device *phydev, u32 regnum)
{
int ret;
@@ -212,6 +232,150 @@
return ret;
return ret;
+}
+
+static int yt8512_clk_init(struct phy_device *phydev)
+{
+ struct device_node *node = phydev->mdio.dev.of_node;
+ const char *strings = NULL;
+ int ret;
+ int val;
+
+ if (node && node->parent && node->parent->parent) {
+ ret = of_property_read_string(node->parent->parent,
+ "clock_in_out", &strings);
+ if (!ret) {
+ if (!strcmp(strings, "input"))
+ return 0;
+ }
+ }
+
+ val = ytphy_read_ext(phydev, YT8512_EXTREG_AFE_PLL);
+ if (val < 0)
+ return val;
+
+ val |= YT8512_CONFIG_PLL_REFCLK_SEL_EN;
+
+ ret = ytphy_write_ext(phydev, YT8512_EXTREG_AFE_PLL, val);
+ if (ret < 0)
+ return ret;
+
+ val = ytphy_read_ext(phydev, YT8512_EXTREG_EXTEND_COMBO);
+ if (val < 0)
+ return val;
+
+ val |= YT8512_CONTROL1_RMII_EN;
+
+ ret = ytphy_write_ext(phydev, YT8512_EXTREG_EXTEND_COMBO, val);
+ if (ret < 0)
+ return ret;
+
+ val = phy_read(phydev, MII_BMCR);
+ if (val < 0)
+ return val;
+
+ val |= YT_SOFTWARE_RESET;
+ ret = phy_write(phydev, MII_BMCR, val);
+
+ return ret;
+}
+
+static int yt8512_led_init(struct phy_device *phydev)
+{
+ int ret;
+ int val;
+ int mask;
+
+ val = ytphy_read_ext(phydev, YT8512_EXTREG_LED0);
+ if (val < 0)
+ return val;
+
+ val |= YT8512_LED0_ACT_BLK_IND;
+
+ mask = YT8512_LED0_DIS_LED_AN_TRY | YT8512_LED0_BT_BLK_EN |
+ YT8512_LED0_HT_BLK_EN | YT8512_LED0_COL_BLK_EN |
+ YT8512_LED0_BT_ON_EN;
+ val &= ~mask;
+
+ ret = ytphy_write_ext(phydev, YT8512_EXTREG_LED0, val);
+ if (ret < 0)
+ return ret;
+
+ val = ytphy_read_ext(phydev, YT8512_EXTREG_LED1);
+ if (val < 0)
+ return val;
+
+ val |= YT8512_LED1_BT_ON_EN;
+
+ mask = YT8512_LED1_TXACT_BLK_EN | YT8512_LED1_RXACT_BLK_EN;
+ val &= ~mask;
+
+ ret = ytphy_write_ext(phydev, YT8512_LED1_BT_ON_EN, val);
+
+ return ret;
+}
+
+static int yt8512_config_init(struct phy_device *phydev)
+{
+ int ret;
+ int val;
+
+ ret = yt8512_clk_init(phydev);
+ if (ret < 0)
+ return ret;
+
+ ret = yt8512_led_init(phydev);
+ if (ret < 0)
+ return ret;
+
+ /* disable auto sleep */
+ val = ytphy_read_ext(phydev, YT8512_EXTREG_SLEEP_CONTROL1);
+ if (val < 0)
+ return val;
+
+ val &= (~BIT(YT8512_EN_SLEEP_SW_BIT));
+
+ ret = ytphy_write_ext(phydev, YT8512_EXTREG_SLEEP_CONTROL1, val);
+ if (ret < 0)
+ return ret;
+
+ return ret;
+}
+
+static int yt8512_read_status(struct phy_device *phydev)
+{
+ int ret;
+ int val;
+ int speed, speed_mode, duplex;
+
+ ret = genphy_update_link(phydev);
+ if (ret)
+ return ret;
+
+ val = phy_read(phydev, REG_PHY_SPEC_STATUS);
+ if (val < 0)
+ return val;
+
+ duplex = (val & YT8512_DUPLEX) >> YT8512_DUPLEX_BIT;
+ speed_mode = (val & YT8512_SPEED_MODE) >> YT8512_SPEED_MODE_BIT;
+ switch (speed_mode) {
+ case 0:
+ speed = SPEED_10;
+ break;
+ case 1:
+ speed = SPEED_100;
+ break;
+ case 2:
+ case 3:
+ default:
+ speed = SPEED_UNKNOWN;
+ break;
+ }
+
+ phydev->speed = speed;
+ phydev->duplex = duplex;
+
+ return 0;
}
static int yt8521_soft_reset(struct phy_device *phydev)
@@ -573,7 +737,7 @@
static int yt8531_config_init(struct phy_device *phydev)
{
- int ret = 0;
+ int ret = 0, val;
#if (YTPHY8531A_XTAL_INIT)
ret = yt8531a_xtal_init(phydev);
@@ -591,10 +755,17 @@
return ret;
/* RXC, PHY_CLK_OUT and RXData Drive strength:
- * Drive strength of RXC = 4, PHY_CLK_OUT = 3, RXD0 = 4 (default)
- * If the io voltage is 3.3v, PHY_CLK_OUT = 2, set 0xa010 = 0x9acf
+ * Drive strength of RXC = 6, PHY_CLK_OUT = 3, RXD0 = 4 (default 1.8v)
+ * If the io voltage is 3.3v, PHY_CLK_OUT = 2, set 0xa010 = 0xdacf
*/
- ret = ytphy_write_ext(phydev, 0xa010, 0x9bcf);
+ ret = ytphy_write_ext(phydev, 0xa010, 0xdbcf);
+ if (ret < 0)
+ return ret;
+
+ /* Change 100M default BGS voltage from 0x294c to 0x274c */
+ val = ytphy_read_ext(phydev, 0x57);
+ val = (val & ~(0xf << 8)) | (7 << 8);
+ ret = ytphy_write_ext(phydev, 0x57, val);
if (ret < 0)
return ret;
@@ -610,6 +781,20 @@
.resume = genphy_resume,
.read_page = yt8511_read_page,
.write_page = yt8511_write_page,
+ }, {
+ PHY_ID_MATCH_EXACT(PHY_ID_YT8512),
+ .name = "YT8512 Ethernet",
+ .config_init = yt8512_config_init,
+ .read_status = yt8512_read_status,
+ .suspend = genphy_suspend,
+ .resume = genphy_resume,
+ }, {
+ PHY_ID_MATCH_EXACT(PHY_ID_YT8512B),
+ .name = "YT8512B Ethernet",
+ .config_init = yt8512_config_init,
+ .read_status = yt8512_read_status,
+ .suspend = genphy_suspend,
+ .resume = genphy_resume,
}, {
/* same as 8521 */
PHY_ID_MATCH_EXACT(PHY_ID_YT8531S),
@@ -648,6 +833,8 @@
static const struct mdio_device_id __maybe_unused motorcomm_tbl[] = {
{ PHY_ID_MATCH_EXACT(PHY_ID_YT8511) },
+ { PHY_ID_MATCH_EXACT(PHY_ID_YT8512) },
+ { PHY_ID_MATCH_EXACT(PHY_ID_YT8512B) },
{ PHY_ID_MATCH_EXACT(PHY_ID_YT8531S) },
{ PHY_ID_MATCH_EXACT(PHY_ID_YT8531) },
{ /* sentinal */ }
--
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