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-rw-r--r--board/samsung/dts/exynos5250-snow.dts81
-rw-r--r--board/samsung/smdk5250/exynos5-dt.c45
2 files changed, 126 insertions, 0 deletions
diff --git a/board/samsung/dts/exynos5250-snow.dts b/board/samsung/dts/exynos5250-snow.dts
index fdc047a142..dca3386cf2 100644
--- a/board/samsung/dts/exynos5250-snow.dts
+++ b/board/samsung/dts/exynos5250-snow.dts
@@ -38,6 +38,33 @@
console = "/serial@12C30000";
};
+ i2c4: i2c@12ca0000 {
+ cros-ec@1e {
+ reg = <0x1e>;
+ compatible = "google,cros-ec";
+ i2c-max-frequency = <100000>;
+ ec-interrupt = <&gpio 782 1>;
+ };
+
+ power-regulator@48 {
+ compatible = "ti,tps65090";
+ reg = <0x48>;
+ };
+ };
+
+ spi@131b0000 {
+ spi-max-frequency = <1000000>;
+ spi-deactivate-delay = <100>;
+ cros-ec@0 {
+ reg = <0>;
+ compatible = "google,cros-ec";
+ spi-max-frequency = <5000000>;
+ ec-interrupt = <&gpio 782 1>;
+ optimise-flash-write;
+ status = "disabled";
+ };
+ };
+
sound@12d60000 {
samsung,i2s-epll-clock-frequency = <192000000>;
samsung,i2s-sampling-rate = <48000>;
@@ -95,4 +122,58 @@
samsung,dc-value = <25>;
};
+ cros-ec-keyb {
+ compatible = "google,cros-ec-keyb";
+ google,key-rows = <8>;
+ google,key-columns = <13>;
+ google,repeat-delay-ms = <240>;
+ google,repeat-rate-ms = <30>;
+ google,ghost-filter;
+ /*
+ * Keymap entries take the form of 0xRRCCKKKK where
+ * RR=Row CC=Column KKKK=Key Code
+ * The values below are for a US keyboard layout and
+ * are taken from the Linux driver. Note that the
+ * 102ND key is not used for US keyboards.
+ */
+ linux,keymap = <
+ /* CAPSLCK F1 B F10 */
+ 0x0001003a 0x0002003b 0x00030030 0x00040044
+ /* N = R_ALT ESC */
+ 0x00060031 0x0008000d 0x000a0064 0x01010001
+ /* F4 G F7 H */
+ 0x0102003e 0x01030022 0x01040041 0x01060023
+ /* ' F9 BKSPACE L_CTRL */
+ 0x01080028 0x01090043 0x010b000e 0x0200001d
+ /* TAB F3 T F6 */
+ 0x0201000f 0x0202003d 0x02030014 0x02040040
+ /* ] Y 102ND [ */
+ 0x0205001b 0x02060015 0x02070056 0x0208001a
+ /* F8 GRAVE F2 5 */
+ 0x02090042 0x03010029 0x0302003c 0x03030006
+ /* F5 6 - \ */
+ 0x0304003f 0x03060007 0x0308000c 0x030b002b
+ /* R_CTRL A D F */
+ 0x04000061 0x0401001e 0x04020020 0x04030021
+ /* S K J ; */
+ 0x0404001f 0x04050025 0x04060024 0x04080027
+ /* L ENTER Z C */
+ 0x04090026 0x040b001c 0x0501002c 0x0502002e
+ /* V X , M */
+ 0x0503002f 0x0504002d 0x05050033 0x05060032
+ /* L_SHIFT / . SPACE */
+ 0x0507002a 0x05080035 0x05090034 0x050B0039
+ /* 1 3 4 2 */
+ 0x06010002 0x06020004 0x06030005 0x06040003
+ /* 8 7 0 9 */
+ 0x06050009 0x06060008 0x0608000b 0x0609000a
+ /* L_ALT DOWN RIGHT Q */
+ 0x060a0038 0x060b006c 0x060c006a 0x07010010
+ /* E R W I */
+ 0x07020012 0x07030013 0x07040011 0x07050017
+ /* U R_SHIFT P O */
+ 0x07060016 0x07070036 0x07080019 0x07090018
+ /* UP LEFT */
+ 0x070b0067 0x070c0069>;
+ };
};
diff --git a/board/samsung/smdk5250/exynos5-dt.c b/board/samsung/smdk5250/exynos5-dt.c
index 813150586f..aacf43eaa4 100644
--- a/board/samsung/smdk5250/exynos5-dt.c
+++ b/board/samsung/smdk5250/exynos5-dt.c
@@ -21,6 +21,7 @@
*/
#include <common.h>
+#include <cros_ec.h>
#include <fdtdec.h>
#include <asm/io.h>
#include <errno.h>
@@ -69,6 +70,13 @@ static void boot_temp_check(void)
}
#endif
+struct local_info {
+ struct cros_ec_dev *cros_ec_dev; /* Pointer to cros_ec device */
+ int cros_ec_err; /* Error for cros_ec, 0 if ok */
+};
+
+static struct local_info local;
+
#ifdef CONFIG_USB_EHCI_EXYNOS
int board_usb_vbus_init(void)
{
@@ -97,6 +105,20 @@ static void board_enable_audio_codec(void)
}
#endif
+struct cros_ec_dev *board_get_cros_ec_dev(void)
+{
+ return local.cros_ec_dev;
+}
+
+static int board_init_cros_ec_devices(const void *blob)
+{
+ local.cros_ec_err = cros_ec_init(blob, &local.cros_ec_dev);
+ if (local.cros_ec_err)
+ return -1; /* Will report in board_late_init() */
+
+ return 0;
+}
+
int board_init(void)
{
gd->bd->bi_boot_params = (PHYS_SDRAM_1 + 0x100UL);
@@ -112,6 +134,10 @@ int board_init(void)
#ifdef CONFIG_EXYNOS_SPI
spi_init();
#endif
+
+ if (board_init_cros_ec_devices(gd->fdt_blob))
+ return -1;
+
#ifdef CONFIG_USB_EHCI_EXYNOS
board_usb_vbus_init();
#endif
@@ -421,3 +447,22 @@ void exynos_set_dp_phy(unsigned int onoff)
set_dp_phy_ctrl(onoff);
}
#endif
+
+#ifdef CONFIG_BOARD_LATE_INIT
+int board_late_init(void)
+{
+ stdio_print_current_devices();
+
+ if (local.cros_ec_err) {
+ /* Force console on */
+ gd->flags &= ~GD_FLG_SILENT;
+
+ printf("cros-ec communications failure %d\n",
+ local.cros_ec_err);
+ puts("\nPlease reset with Power+Refresh\n\n");
+ panic("Cannot init cros-ec device");
+ return -1;
+ }
+ return 0;
+}
+#endif
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