pinctrl: sandbox: add sandbox pinctrl driver
This driver actually does nothing but test pinctrl uclass, and
demonstrate how things work.
To try this driver, uncomment /* #define DEBUG */ in the
drivers/pinctrl/pinctrl-sandbox.c, and debug messages will be
displayed.
DRAM: 128 MiB
sandbox pinmux: group = 1 (serial_a), function = 1 (serial)
Using default environment
In: cros-ec-keyb
Out: lcd
Err: lcd
Net: Net Initialization Skipped
eth0: eth@10002000, eth1: eth@80000000, eth5: eth@90000000
=> i2c dev 0
Setting bus to 0
sandbox pinmux: group = 0 (i2c), function = 0 (i2c)
sandbox pinconf: group = 0 (i2c), param = 3, arg = 1
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/sandbox/dts/sandbox.dts b/arch/sandbox/dts/sandbox.dts
index 758c4a5..65b9125 100644
--- a/arch/sandbox/dts/sandbox.dts
+++ b/arch/sandbox/dts/sandbox.dts
@@ -92,6 +92,8 @@
reg = <0 0>;
compatible = "sandbox,i2c";
clock-frequency = <400000>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_i2c0>;
eeprom@2c {
reg = <0x2c>;
compatible = "i2c-eeprom";
@@ -136,6 +138,21 @@
};
};
+ pinctrl {
+ compatible = "sandbox,pinctrl";
+
+ pinctrl_i2c0: i2c0 {
+ groups = "i2c";
+ function = "i2c";
+ bias-pull-up;
+ };
+
+ pinctrl_serial0: uart0 {
+ groups = "serial_a";
+ function = "serial";
+ };
+ };
+
spi@0 {
#address-cells = <1>;
#size-cells = <0>;
@@ -172,6 +189,8 @@
uart0: serial {
compatible = "sandbox,serial";
sandbox,text-colour = "cyan";
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_serial0>;
};
usb@0 {