add boot partition size

hc

2023-12-11 d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d

 kernel/drivers/usb/dwc3/dwc3-keystone.c
..
..
@@ -2,7 +2,7 @@
2
2
 /**
3
3
  * dwc3-keystone.c - Keystone Specific Glue layer
4
4
  *
5
- * Copyright (C) 2010-2013 Texas Instruments Incorporated - http://www.ti.com
5
+ * Copyright (C) 2010-2013 Texas Instruments Incorporated - https://www.ti.com
6
6
  *
7
7
  * Author: WingMan Kwok <w-kwok2@ti.com>
8
8
  */
..
..
@@ -14,6 +14,7 @@
14
14
 #include <linux/dma-mapping.h>
15
15
 #include <linux/io.h>
16
16
 #include <linux/of_platform.h>
17
+#include <linux/phy/phy.h>
17
18
 #include <linux/pm_runtime.h>
18
19
 
19
20
 /* USBSS register offsets */
..
..
@@ -34,6 +35,7 @@
34
35
 struct dwc3_keystone {
35
36
 	struct device			*dev;
36
37
 	void __iomem			*usbss;
38
+	struct phy			*usb3_phy;
37
39
 };
38
40
 
39
41
 static inline u32 kdwc3_readl(void __iomem *base, u32 offset)
..
..
@@ -81,7 +83,6 @@
81
83
 	struct device		*dev = &pdev->dev;
82
84
 	struct device_node	*node = pdev->dev.of_node;
83
85
 	struct dwc3_keystone	*kdwc;
84
-	struct resource		*res;
85
86
 	int			error, irq;
86
87
 
87
88
 	kdwc = devm_kzalloc(dev, sizeof(*kdwc), GFP_KERNEL);
..
..
@@ -92,13 +93,37 @@
92
93
 
93
94
 	kdwc->dev = dev;
94
95
 
95
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
96
-	kdwc->usbss = devm_ioremap_resource(dev, res);
96
+	kdwc->usbss = devm_platform_ioremap_resource(pdev, 0);
97
97
 	if (IS_ERR(kdwc->usbss))
98
98
 		return PTR_ERR(kdwc->usbss);
99
99
 
100
-	pm_runtime_enable(kdwc->dev);
100
+	/* PSC dependency on AM65 needs SERDES0 to be powered before USB0 */
101
+	kdwc->usb3_phy = devm_phy_optional_get(dev, "usb3-phy");
102
+	if (IS_ERR(kdwc->usb3_phy))
103
+		return dev_err_probe(dev, PTR_ERR(kdwc->usb3_phy), "couldn't get usb3 phy\n");
101
104
 
105
+	phy_pm_runtime_get_sync(kdwc->usb3_phy);
106
+
107
+	error = phy_reset(kdwc->usb3_phy);
108
+	if (error < 0) {
109
+		dev_err(dev, "usb3 phy reset failed: %d\n", error);
110
+		return error;
111
+	}
112
+
113
+	error = phy_init(kdwc->usb3_phy);
114
+	if (error < 0) {
115
+		dev_err(dev, "usb3 phy init failed: %d\n", error);
116
+		return error;
117
+	}
118
+
119
+	error = phy_power_on(kdwc->usb3_phy);
120
+	if (error < 0) {
121
+		dev_err(dev, "usb3 phy power on failed: %d\n", error);
122
+		phy_exit(kdwc->usb3_phy);
123
+		return error;
124
+	}
125
+
126
+	pm_runtime_enable(kdwc->dev);
102
127
 	error = pm_runtime_get_sync(kdwc->dev);
103
128
 	if (error < 0) {
104
129
 		dev_err(kdwc->dev, "pm_runtime_get_sync failed, error %d\n",
..
..
@@ -106,9 +131,12 @@
106
131
 		goto err_irq;
107
132
 	}
108
133
 
134
+	/* IRQ processing not required currently for AM65 */
135
+	if (of_device_is_compatible(node, "ti,am654-dwc3"))
136
+		goto skip_irq;
137
+
109
138
 	irq = platform_get_irq(pdev, 0);
110
139
 	if (irq < 0) {
111
-		dev_err(&pdev->dev, "missing irq\n");
112
140
 		error = irq;
113
141
 		goto err_irq;
114
142
 	}
..
..
@@ -123,6 +151,7 @@
123
151
 
124
152
 	kdwc3_enable_irqs(kdwc);
125
153
 
154
+skip_irq:
126
155
 	error = of_platform_populate(node, NULL, NULL, dev);
127
156
 	if (error) {
128
157
 		dev_err(&pdev->dev, "failed to create dwc3 core\n");
..
..
@@ -136,6 +165,9 @@
136
165
 err_irq:
137
166
 	pm_runtime_put_sync(kdwc->dev);
138
167
 	pm_runtime_disable(kdwc->dev);
168
+	phy_power_off(kdwc->usb3_phy);
169
+	phy_exit(kdwc->usb3_phy);
170
+	phy_pm_runtime_put_sync(kdwc->usb3_phy);
139
171
 
140
172
 	return error;
141
173
 }
..
..
@@ -152,11 +184,18 @@
152
184
 static int kdwc3_remove(struct platform_device *pdev)
153
185
 {
154
186
 	struct dwc3_keystone *kdwc = platform_get_drvdata(pdev);
187
+	struct device_node *node = pdev->dev.of_node;
155
188
 
156
-	kdwc3_disable_irqs(kdwc);
189
+	if (!of_device_is_compatible(node, "ti,am654-dwc3"))
190
+		kdwc3_disable_irqs(kdwc);
191
+
157
192
 	device_for_each_child(&pdev->dev, NULL, kdwc3_remove_core);
158
193
 	pm_runtime_put_sync(kdwc->dev);
159
194
 	pm_runtime_disable(kdwc->dev);
195
+
196
+	phy_power_off(kdwc->usb3_phy);
197
+	phy_exit(kdwc->usb3_phy);
198
+	phy_pm_runtime_put_sync(kdwc->usb3_phy);
160
199
 
161
200
 	platform_set_drvdata(pdev, NULL);
162
201
 
..
..
@@ -165,6 +204,7 @@
165
204
 
166
205
 static const struct of_device_id kdwc3_of_match[] = {
167
206
 	{ .compatible = "ti,keystone-dwc3", },
207
+	{ .compatible = "ti,am654-dwc3" },
168
208
 	{},
169
209
 };
170
210
 MODULE_DEVICE_TABLE(of, kdwc3_of_match);