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authorMasahiro Yamada <yamada.m@jp.panasonic.com>2014-11-26 18:34:00 +0900
committerMasahiro Yamada <yamada.m@jp.panasonic.com>2014-11-28 02:21:01 +0900
commit625177d27ed9e91cb96c0221b8020f7e4d24bfb6 (patch)
tree5c850d2c035fda55616aa6594ccca6f0779dda18
parent509eb67802d5cdc2b2789f08ac9f2ba33d796872 (diff)
serial: UniPhier: support OF configuration
This commit implements the ofdata_to_platdata handler for the UniPhier serial driver and adds serial device nodes to the device tree sources. Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
-rw-r--r--arch/arm/dts/uniphier-ph1-ld4-ref.dts9
-rw-r--r--arch/arm/dts/uniphier-ph1-ld4.dtsi28
-rw-r--r--arch/arm/dts/uniphier-ph1-pro4-ref.dts9
-rw-r--r--arch/arm/dts/uniphier-ph1-pro4.dtsi28
-rw-r--r--arch/arm/dts/uniphier-ph1-sld8-ref.dts9
-rw-r--r--arch/arm/dts/uniphier-ph1-sld8.dtsi28
-rw-r--r--drivers/serial/serial_uniphier.c19
7 files changed, 122 insertions, 8 deletions
diff --git a/arch/arm/dts/uniphier-ph1-ld4-ref.dts b/arch/arm/dts/uniphier-ph1-ld4-ref.dts
index bc8ead4fdab..20b05831432 100644
--- a/arch/arm/dts/uniphier-ph1-ld4-ref.dts
+++ b/arch/arm/dts/uniphier-ph1-ld4-ref.dts
@@ -21,5 +21,14 @@
chosen {
bootargs = "console=ttyPS0,115200 earlyprintk";
+ stdout-path = &uart0;
};
};
+
+&uart0 {
+ status = "okay";
+};
+
+&uart1 {
+ status = "okay";
+};
diff --git a/arch/arm/dts/uniphier-ph1-ld4.dtsi b/arch/arm/dts/uniphier-ph1-ld4.dtsi
index ee53d9c1944..c1c2c62b799 100644
--- a/arch/arm/dts/uniphier-ph1-ld4.dtsi
+++ b/arch/arm/dts/uniphier-ph1-ld4.dtsi
@@ -28,5 +28,33 @@
#address-cells = <1>;
#size-cells = <1>;
ranges;
+
+ uart0: serial@54006800 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006800 0x20>;
+ clock-frequency = <36864000>;
+ };
+
+ uart1: serial@54006900 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006900 0x20>;
+ clock-frequency = <36864000>;
+ };
+
+ uart2: serial@54006a00 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006a00 0x20>;
+ clock-frequency = <36864000>;
+ };
+
+ uart3: serial@54006b00 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006b00 0x20>;
+ clock-frequency = <36864000>;
+ };
};
};
diff --git a/arch/arm/dts/uniphier-ph1-pro4-ref.dts b/arch/arm/dts/uniphier-ph1-pro4-ref.dts
index 03091a897af..b42c9c8098c 100644
--- a/arch/arm/dts/uniphier-ph1-pro4-ref.dts
+++ b/arch/arm/dts/uniphier-ph1-pro4-ref.dts
@@ -21,5 +21,14 @@
chosen {
bootargs = "console=ttyPS0,115200 earlyprintk";
+ stdout-path = &uart0;
};
};
+
+&uart0 {
+ status = "okay";
+};
+
+&uart1 {
+ status = "okay";
+};
diff --git a/arch/arm/dts/uniphier-ph1-pro4.dtsi b/arch/arm/dts/uniphier-ph1-pro4.dtsi
index 7619c36a2f2..b53fbc5161c 100644
--- a/arch/arm/dts/uniphier-ph1-pro4.dtsi
+++ b/arch/arm/dts/uniphier-ph1-pro4.dtsi
@@ -34,5 +34,33 @@
#address-cells = <1>;
#size-cells = <1>;
ranges;
+
+ uart0: serial@54006800 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006800 0x20>;
+ clock-frequency = <73728000>;
+ };
+
+ uart1: serial@54006900 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006900 0x20>;
+ clock-frequency = <73728000>;
+ };
+
+ uart2: serial@54006a00 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006a00 0x20>;
+ clock-frequency = <73728000>;
+ };
+
+ uart3: serial@54006b00 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006b00 0x20>;
+ clock-frequency = <73728000>;
+ };
};
};
diff --git a/arch/arm/dts/uniphier-ph1-sld8-ref.dts b/arch/arm/dts/uniphier-ph1-sld8-ref.dts
index e7969afe8c4..6f898a3a967 100644
--- a/arch/arm/dts/uniphier-ph1-sld8-ref.dts
+++ b/arch/arm/dts/uniphier-ph1-sld8-ref.dts
@@ -21,5 +21,14 @@
chosen {
bootargs = "console=ttyPS0,115200 earlyprintk";
+ stdout-path = &uart0;
};
};
+
+&uart0 {
+ status = "okay";
+};
+
+&uart1 {
+ status = "okay";
+};
diff --git a/arch/arm/dts/uniphier-ph1-sld8.dtsi b/arch/arm/dts/uniphier-ph1-sld8.dtsi
index 2f895e91dbc..9a8da5e4423 100644
--- a/arch/arm/dts/uniphier-ph1-sld8.dtsi
+++ b/arch/arm/dts/uniphier-ph1-sld8.dtsi
@@ -28,5 +28,33 @@
#address-cells = <1>;
#size-cells = <1>;
ranges;
+
+ uart0: serial@54006800 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006800 0x20>;
+ clock-frequency = <80000000>;
+ };
+
+ uart1: serial@54006900 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006900 0x20>;
+ clock-frequency = <80000000>;
+ };
+
+ uart2: serial@54006a00 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006a00 0x20>;
+ clock-frequency = <80000000>;
+ };
+
+ uart3: serial@54006b00 {
+ compatible = "panasonic,uniphier-uart";
+ status = "disabled";
+ reg = <0x54006b00 0x20>;
+ clock-frequency = <80000000>;
+ };
};
};
diff --git a/drivers/serial/serial_uniphier.c b/drivers/serial/serial_uniphier.c
index 6046efb51fe..e8a1608b998 100644
--- a/drivers/serial/serial_uniphier.c
+++ b/drivers/serial/serial_uniphier.c
@@ -11,6 +11,7 @@
#include <dm/device.h>
#include <dm/platform_data/serial-uniphier.h>
#include <serial.h>
+#include <fdtdec.h>
#define UART_REG(x) \
u8 x; \
@@ -113,19 +114,21 @@ static int uniphier_serial_remove(struct udevice *dev)
}
#ifdef CONFIG_OF_CONTROL
-static const struct udevice_id uniphier_uart_of_match = {
- { .compatible = "panasonic,uniphier-uart"},
+static const struct udevice_id uniphier_uart_of_match[] = {
+ { .compatible = "panasonic,uniphier-uart" },
{},
};
static int uniphier_serial_ofdata_to_platdata(struct udevice *dev)
{
- /*
- * TODO: Masahiro Yamada (yamada.m@jp.panasonic.com)
- *
- * Implement conversion code from DTB to platform data
- * when supporting CONFIG_OF_CONTROL on UniPhir platform.
- */
+ struct uniphier_serial_platform_data *plat = dev_get_platdata(dev);
+ DECLARE_GLOBAL_DATA_PTR;
+
+ plat->base = fdtdec_get_addr(gd->fdt_blob, dev->of_offset, "reg");
+ plat->uartclk = fdtdec_get_int(gd->fdt_blob, dev->of_offset,
+ "clock-frequency", 0);
+
+ return 0;
}
#endif