ACPI: docs: gpio-properties: Unify ASL style for GPIO examples

GPIO examples of ASL in the board.rst, enumeration.rst and gpio-properties.rst are not unified. Unify them for better reader experience. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
mariux64 · Mar 8, 2022 · 830751d · 830751d
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Showing 3 changed files with 28 additions and 41 deletions.
diff --git a/Documentation/driver-api/gpio/board.rst b/Documentation/driver-api/gpio/board.rst
@@ -71,14 +71,14 @@ with the help of _DSD (Device Specific Data), introduced in ACPI 5.1::
 
 	Device (FOO) {
 		Name (_CRS, ResourceTemplate () {
-			GpioIo (Exclusive, ..., IoRestrictionOutputOnly,
-				"\\_SB.GPI0") {15} // red
-			GpioIo (Exclusive, ..., IoRestrictionOutputOnly,
-				"\\_SB.GPI0") {16} // green
-			GpioIo (Exclusive, ..., IoRestrictionOutputOnly,
-				"\\_SB.GPI0") {17} // blue
-			GpioIo (Exclusive, ..., IoRestrictionOutputOnly,
-				"\\_SB.GPI0") {1} // power
+			GpioIo (Exclusive, PullUp, 0, 0, IoRestrictionOutputOnly,
+				"\\_SB.GPI0", 0, ResourceConsumer) { 15 } // red
+			GpioIo (Exclusive, PullUp, 0, 0, IoRestrictionOutputOnly,
+				"\\_SB.GPI0", 0, ResourceConsumer) { 16 } // green
+			GpioIo (Exclusive, PullUp, 0, 0, IoRestrictionOutputOnly,
+				"\\_SB.GPI0", 0, ResourceConsumer) { 17 } // blue
+			GpioIo (Exclusive, PullNone, 0, 0, IoRestrictionOutputOnly,
+				"\\_SB.GPI0", 0, ResourceConsumer) { 1 } // power
 		})
 
 		Name (_DSD, Package () {
@@ -92,10 +92,7 @@ with the help of _DSD (Device Specific Data), introduced in ACPI 5.1::
 						^FOO, 2, 0, 1,
 					}
 				},
-				Package () {
-					"power-gpios",
-					Package () {^FOO, 3, 0, 0},
-				},
+				Package () { "power-gpios", Package () { ^FOO, 3, 0, 0 } },
 			}
 		})
 	}

diff --git a/Documentation/firmware-guide/acpi/enumeration.rst b/Documentation/firmware-guide/acpi/enumeration.rst
@@ -295,26 +295,13 @@ For example::
 		{
 			Name (SBUF, ResourceTemplate()
 			{
-				...
 				// Used to power on/off the device
-				GpioIo (Exclusive, PullDefault, 0x0000, 0x0000,
-					IoRestrictionOutputOnly, "\\_SB.PCI0.GPI0",
-					0x00, ResourceConsumer,,)
-				{
-					// Pin List
-					0x0055
-				}
+				GpioIo (Exclusive, PullNone, 0, 0, IoRestrictionOutputOnly,
+					"\\_SB.PCI0.GPI0", 0, ResourceConsumer) { 85 }
 
 				// Interrupt for the device
-				GpioInt (Edge, ActiveHigh, ExclusiveAndWake, PullNone,
-					0x0000, "\\_SB.PCI0.GPI0", 0x00, ResourceConsumer,,)
-				{
-					// Pin list
-					0x0058
-				}
-
-				...
-
+				GpioInt (Edge, ActiveHigh, ExclusiveAndWake, PullNone, 0,
+					 "\\_SB.PCI0.GPI0", 0, ResourceConsumer) { 88 }
 			}
 
 			Return (SBUF)
@@ -331,6 +318,7 @@ For example::
 			}
 		})
 		...
+	}
 
 These GPIO numbers are controller relative and path "\\_SB.PCI0.GPI0"
 specifies the path to the controller. In order to use these GPIOs in Linux

diff --git a/Documentation/firmware-guide/acpi/gpio-properties.rst b/Documentation/firmware-guide/acpi/gpio-properties.rst
@@ -21,18 +21,18 @@ index, like the ASL example below shows::
       Name (_CRS, ResourceTemplate ()
       {
           GpioIo (Exclusive, PullUp, 0, 0, IoRestrictionOutputOnly,
-                  "\\_SB.GPO0", 0, ResourceConsumer) {15}
+                  "\\_SB.GPO0", 0, ResourceConsumer) { 15 }
           GpioIo (Exclusive, PullUp, 0, 0, IoRestrictionOutputOnly,
-                  "\\_SB.GPO0", 0, ResourceConsumer) {27, 31}
+                  "\\_SB.GPO0", 0, ResourceConsumer) { 27, 31 }
       })
 
       Name (_DSD, Package ()
       {
           ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
           Package ()
-	  {
-              Package () {"reset-gpios", Package() {^BTH, 1, 1, 0 }},
-              Package () {"shutdown-gpios", Package() {^BTH, 0, 0, 0 }},
+          {
+              Package () { "reset-gpios", Package () { ^BTH, 1, 1, 0 } },
+              Package () { "shutdown-gpios", Package () { ^BTH, 0, 0, 0 } },
           }
       })
   }
@@ -123,17 +123,17 @@ Example::
       // _DSD Hierarchical Properties Extension UUID
       ToUUID("dbb8e3e6-5886-4ba6-8795-1319f52a966b"),
       Package () {
-          Package () {"hog-gpio8", "G8PU"}
+          Package () { "hog-gpio8", "G8PU" }
       }
   })
 
   Name (G8PU, Package () {
       ToUUID("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
       Package () {
-          Package () {"gpio-hog", 1},
-          Package () {"gpios", Package () {8, 0}},
-          Package () {"output-high", 1},
-          Package () {"line-name", "gpio8-pullup"},
+          Package () { "gpio-hog", 1 },
+          Package () { "gpios", Package () { 8, 0 } },
+          Package () { "output-high", 1 },
+          Package () { "line-name", "gpio8-pullup" },
       }
   })
 
@@ -266,15 +266,17 @@ have a device like below::
 
       Name (_CRS, ResourceTemplate () {
           GpioIo (Exclusive, PullNone, 0, 0, IoRestrictionNone,
-                  "\\_SB.GPO0", 0, ResourceConsumer) {15}
+                  "\\_SB.GPO0", 0, ResourceConsumer) { 15 }
           GpioIo (Exclusive, PullNone, 0, 0, IoRestrictionNone,
-                  "\\_SB.GPO0", 0, ResourceConsumer) {27}
+                  "\\_SB.GPO0", 0, ResourceConsumer) { 27 }
       })
   }
 
 The driver might expect to get the right GPIO when it does::
 
   desc = gpiod_get(dev, "reset", GPIOD_OUT_LOW);
+  if (IS_ERR(desc))
+	...error handling...
 
 but since there is no way to know the mapping between "reset" and
 the GpioIo() in _CRS desc will hold ERR_PTR(-ENOENT).