 cddd459140
			
		
	
	cddd459140
	
	
	
		
			
			Add patches for linux-5.4. The patches are from NXP LSDK-20.04 release which was tagged LSDK-20.04-V5.4. https://source.codeaurora.org/external/qoriq/qoriq-components/linux/ For boards LS1021A-IOT, and Traverse-LS1043 which are not involved in LSDK, port the dts patches from 4.14. The patches are sorted into the following categories: 301-arch-xxxx 302-dts-xxxx 303-core-xxxx 701-net-xxxx 801-audio-xxxx 802-can-xxxx 803-clock-xxxx 804-crypto-xxxx 805-display-xxxx 806-dma-xxxx 807-gpio-xxxx 808-i2c-xxxx 809-jailhouse-xxxx 810-keys-xxxx 811-kvm-xxxx 812-pcie-xxxx 813-pm-xxxx 814-qe-xxxx 815-sata-xxxx 816-sdhc-xxxx 817-spi-xxxx 818-thermal-xxxx 819-uart-xxxx 820-usb-xxxx 821-vfio-xxxx Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
		
			
				
	
	
		
			141 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			141 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
| From e54e051c0adbe86116ab81c09a208f3a62c84f92 Mon Sep 17 00:00:00 2001
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| From: Fugang Duan <fugang.duan@nxp.com>
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| Date: Wed, 5 Jun 2019 18:38:51 +0800
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| Subject: [PATCH] net: phy: at803x: add vddio-1v8 and eee disable support
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| 
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| Add new property "at803x,vddio-1p8v" and "at803x,eee-disabled"
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| support.
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| 
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| Signed-off-by: Fugang Duan <fugang.duan@nxp.com>
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| [ Aisheng: fix small merge conflict ]
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| Signed-off-by: Dong Aisheng <aisheng.dong@nxp.com>
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| [rebase]
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| Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
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| ---
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|  drivers/net/phy/at803x.c | 64 ++++++++++++++++++++++++++++++++++++++++++++++++
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|  1 file changed, 64 insertions(+)
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| 
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| --- a/drivers/net/phy/at803x.c
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| +++ b/drivers/net/phy/at803x.c
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| @@ -44,8 +44,13 @@
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|  #define AT803X_LOC_MAC_ADDR_0_15_OFFSET		0x804C
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|  #define AT803X_LOC_MAC_ADDR_16_31_OFFSET	0x804B
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|  #define AT803X_LOC_MAC_ADDR_32_47_OFFSET	0x804A
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| +#define AT803X_SMARTEEE_CTL3_OFFSET		0x805D
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| +#define AT803X_MMD_ACCESS_CONTROL		0x0D
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| +#define AT803X_MMD_ACCESS_CONTROL_DATA		0x0E
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| +#define AT803X_FUNC_DATA			0x4003
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|  #define AT803X_REG_CHIP_CONFIG			0x1f
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|  #define AT803X_BT_BX_REG_SEL			0x8000
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| +#define AT803X_SMARTEEE_DISABLED_VAL		0x1000
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|  #define AT803X_SGMII_ANEG_EN			0x1000
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|  
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|  #define AT803X_DEBUG_ADDR			0x1D
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| @@ -65,6 +70,9 @@
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|  
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|  #define AT803X_LPI_EN				BIT(8)
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|  
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| +#define AT803X_DEBUG_REG_31			0x1f
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| +#define AT803X_VDDIO_1P8V_EN			0x8
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| +
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|  #define ATH8030_PHY_ID 0x004dd076
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|  #define ATH8031_PHY_ID 0x004dd074
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|  #define ATH8032_PHY_ID 0x004dd023
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| @@ -72,12 +80,16 @@
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|  #define AT803X_PHY_ID_MASK			0xffffffef
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|  #define AT8032_PHY_ID_MASK			0xffffffff
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|  
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| +#define AT803X_EEE_FEATURE_DISABLE		(1 << 1)
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| +#define AT803X_VDDIO_1P8V			(1 << 2)
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| +
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|  MODULE_DESCRIPTION("Atheros 803x PHY driver");
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|  MODULE_AUTHOR("Matus Ujhelyi");
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|  MODULE_LICENSE("GPL");
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|  
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|  struct at803x_priv {
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|  	bool phy_reset:1;
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| +	u32 quirks;
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|  };
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|  
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|  struct at803x_context {
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| @@ -141,6 +153,39 @@ static int at803x_disable_tx_delay(struc
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|  				     AT803X_DEBUG_TX_CLK_DLY_EN, 0);
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|  }
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|  
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| +static inline int at803x_set_vddio_1p8v(struct phy_device *phydev)
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| +{
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| +	return at803x_debug_reg_mask(phydev, AT803X_DEBUG_REG_31, 0,
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| +					AT803X_VDDIO_1P8V_EN);
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| +}
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| +
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| +static int at803x_disable_eee(struct phy_device *phydev)
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| +{
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| +	int ret;
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| +
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| +	ret = phy_write(phydev, AT803X_MMD_ACCESS_CONTROL,
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| +				  AT803X_DEVICE_ADDR);
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| +	if (ret < 0)
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| +		return ret;
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| +
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| +	ret = phy_write(phydev, AT803X_MMD_ACCESS_CONTROL_DATA,
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| +				  AT803X_SMARTEEE_CTL3_OFFSET);
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| +	if (ret < 0)
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| +		return ret;
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| +
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| +	ret = phy_write(phydev, AT803X_MMD_ACCESS_CONTROL,
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| +				  AT803X_FUNC_DATA);
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| +	if (ret < 0)
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| +		return ret;
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| +
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| +	ret = phy_write(phydev, AT803X_MMD_ACCESS_CONTROL_DATA,
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| +				  AT803X_SMARTEEE_DISABLED_VAL);
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| +	if (ret < 0)
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| +		return ret;
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| +
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| +	return 0;
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| +}
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| +
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|  /* save relevant PHY registers to private copy */
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|  static void at803x_context_save(struct phy_device *phydev,
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|  				struct at803x_context *context)
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| @@ -254,6 +299,12 @@ static int at803x_probe(struct phy_devic
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|  	if (!priv)
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|  		return -ENOMEM;
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|  
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| +	if (of_property_read_bool(dev->of_node, "at803x,eee-disabled"))
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| +		priv->quirks |= AT803X_EEE_FEATURE_DISABLE;
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| +
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| +	if (of_property_read_bool(dev->of_node, "at803x,vddio-1p8v"))
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| +		priv->quirks |= AT803X_VDDIO_1P8V;
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| +
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|  	phydev->priv = priv;
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|  
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|  	return 0;
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| @@ -275,6 +326,7 @@ static void at803x_enable_smart_eee(stru
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|  static int at803x_config_init(struct phy_device *phydev)
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|  {
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|  	int ret;
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| +	struct at803x_priv *priv = phydev->priv;
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|  	u32 v;
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|  
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|  	if (phydev->drv->phy_id == ATH8031_PHY_ID &&
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| @@ -323,6 +375,18 @@ static int at803x_config_init(struct phy
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|  	else
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|  		ret = at803x_disable_tx_delay(phydev);
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|  
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| +	if (priv->quirks & AT803X_VDDIO_1P8V) {
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| +		ret = at803x_set_vddio_1p8v(phydev);
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| +		if (ret < 0)
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| +			return ret;
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| +	}
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| +
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| +	if (priv->quirks & AT803X_EEE_FEATURE_DISABLE) {
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| +		ret = at803x_disable_eee(phydev);
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| +		if (ret < 0)
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| +			return ret;
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| +	}
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| +
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|  	return ret;
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|  }
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|  
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