Merge tag 'v2023.10-rc4' into next
Prepare v2023.10-rc4
This commit is contained in:
@@ -14,6 +14,8 @@
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#include <linux/delay.h>
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#include <linux/err.h>
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#include <clk.h>
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#include <dm/device_compat.h>
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#include <power/regulator.h>
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#define PHY_CTRL0 0x0
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#define PHY_CTRL0_REF_SSP_EN BIT(2)
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@@ -76,11 +78,10 @@ enum imx8mpq_phy_type {
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};
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struct imx8mq_usb_phy {
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#if CONFIG_IS_ENABLED(CLK)
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struct clk phy_clk;
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#endif
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void __iomem *base;
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enum imx8mpq_phy_type type;
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struct udevice *vbus_supply;
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};
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static const struct udevice_id imx8mq_usb_phy_of_match[] = {
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@@ -173,15 +174,23 @@ static int imx8mq_usb_phy_power_on(struct phy *usb_phy)
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struct udevice *dev = usb_phy->dev;
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struct imx8mq_usb_phy *imx_phy = dev_get_priv(dev);
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u32 value;
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#if CONFIG_IS_ENABLED(CLK)
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int ret;
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ret = clk_enable(&imx_phy->phy_clk);
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if (ret) {
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printf("Failed to enable usb phy clock\n");
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return ret;
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if (CONFIG_IS_ENABLED(CLK)) {
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ret = clk_enable(&imx_phy->phy_clk);
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if (ret) {
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dev_err(dev, "Failed to enable usb phy clock: %d\n", ret);
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return ret;
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}
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}
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if (CONFIG_IS_ENABLED(DM_REGULATOR) && imx_phy->vbus_supply) {
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ret = regulator_set_enable_if_allowed(imx_phy->vbus_supply, true);
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if (ret && ret != -ENOSYS) {
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dev_err(dev, "Failed to enable VBUS regulator: %d\n", ret);
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goto err;
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}
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}
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#endif
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/* Disable rx term override */
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value = readl(imx_phy->base + PHY_CTRL6);
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@@ -189,6 +198,11 @@ static int imx8mq_usb_phy_power_on(struct phy *usb_phy)
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writel(value, imx_phy->base + PHY_CTRL6);
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return 0;
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err:
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if (CONFIG_IS_ENABLED(CLK))
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clk_disable(&imx_phy->phy_clk);
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return ret;
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}
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static int imx8mq_usb_phy_power_off(struct phy *usb_phy)
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@@ -196,15 +210,23 @@ static int imx8mq_usb_phy_power_off(struct phy *usb_phy)
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struct udevice *dev = usb_phy->dev;
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struct imx8mq_usb_phy *imx_phy = dev_get_priv(dev);
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u32 value;
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int ret;
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/* Override rx term to be 0 */
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value = readl(imx_phy->base + PHY_CTRL6);
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value |= PHY_CTRL6_RXTERM_OVERRIDE_SEL;
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writel(value, imx_phy->base + PHY_CTRL6);
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#if CONFIG_IS_ENABLED(CLK)
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clk_disable(&imx_phy->phy_clk);
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#endif
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if (CONFIG_IS_ENABLED(CLK))
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clk_disable(&imx_phy->phy_clk);
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if (CONFIG_IS_ENABLED(DM_REGULATOR) && imx_phy->vbus_supply) {
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ret = regulator_set_enable_if_allowed(imx_phy->vbus_supply, false);
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if (ret && ret != -ENOSYS) {
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dev_err(dev, "Failed to disable VBUS regulator: %d\n", ret);
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return ret;
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}
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}
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return 0;
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}
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@@ -224,6 +246,7 @@ struct phy_ops imx8mq_usb_phy_ops = {
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int imx8mq_usb_phy_probe(struct udevice *dev)
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{
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struct imx8mq_usb_phy *priv = dev_get_priv(dev);
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int ret;
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priv->type = dev_get_driver_data(dev);
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priv->base = dev_read_addr_ptr(dev);
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@@ -231,16 +254,22 @@ int imx8mq_usb_phy_probe(struct udevice *dev)
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if (!priv->base)
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return -EINVAL;
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#if CONFIG_IS_ENABLED(CLK)
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int ret;
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/* Assigned clock already set clock */
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ret = clk_get_by_name(dev, "phy", &priv->phy_clk);
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if (ret) {
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printf("Failed to get usb phy clock\n");
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return ret;
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if (CONFIG_IS_ENABLED(CLK)) {
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ret = clk_get_by_name(dev, "phy", &priv->phy_clk);
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if (ret) {
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dev_err(dev, "Failed to get usb phy clock %d\n", ret);
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return ret;
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}
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}
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if (CONFIG_IS_ENABLED(DM_REGULATOR)) {
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ret = device_get_supply_regulator(dev, "vbus-supply",
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&priv->vbus_supply);
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if (ret && ret != -ENOENT) {
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dev_err(dev, "Failed to get VBUS regulator: %d\n", ret);
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return ret;
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}
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}
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#endif
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return 0;
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}
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