ARM: shmobile: koelsch: Enable SCIF0 and SCIF1 serial ports in DT

SCIF0 and SCIF1 are used as debug serial ports. Enable them and
configure pinmuxing appropriately. We can now remove the clkdev
registration hack for SCIF devices from the Koelsch reference board
file.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
[horms+renesas@verge.net.au: added aliases to avoid device renumbering]
[horms+renesas@verge.net.au: resolved conflicts]
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
(cherry picked from commit 5ba55fa81aee9493928c245f142a0bfe9f32d02f)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7791-koelsch.dts b/arch/arm/boot/dts/r8a7791-koelsch.dts
index 0d69813..05d44f9 100644 (file)
--- a/arch/arm/boot/dts/r8a7791-koelsch.dts
+++ b/arch/arm/boot/dts/r8a7791-koelsch.dts
@@ -19,6 +19,11 @@
        model = "Koelsch";
        compatible = "renesas,koelsch", "renesas,r8a7791";
 
+       aliases {
+               serial6 = &scif0;
+               serial7 = &scif1;
+       };
+
        chosen {
                bootargs = "console=ttySC6,115200 ignore_loglevel rw root=/dev/nfs ip=dhcp";
        };
@@ -230,7 +235,7 @@
 };
 
 &pfc {
-       pinctrl-0 = <&du_pins &scif0_pins &scif1_pins>;
+       pinctrl-0 = <&du_pins>;
        pinctrl-names = "default";
 
        i2c2_pins: i2c2 {
@@ -310,6 +315,20 @@
        status = "okay";
 };
 
+&scif0 {
+       pinctrl-0 = <&scif0_pins>;
+       pinctrl-names = "default";
+
+       status = "okay";
+};
+
+&scif1 {
+       pinctrl-0 = <&scif1_pins>;
+       pinctrl-names = "default";
+
+       status = "okay";
+};
+
 &sdhi0 {
        pinctrl-0 = <&sdhi0_pins>;
        pinctrl-names = "default";

diff --git a/arch/arm/mach-shmobile/board-koelsch-reference.c b/arch/arm/mach-shmobile/board-koelsch-reference.c
index e85f7b6..d322a16 100644 (file)
--- a/arch/arm/mach-shmobile/board-koelsch-reference.c
+++ b/arch/arm/mach-shmobile/board-koelsch-reference.c
@@ -87,21 +87,6 @@ static void __init koelsch_add_du_device(void)
  */
 static const struct clk_name clk_names[] __initconst = {
        { "cmt0", "fck", "sh-cmt-48-gen2.0" },
-       { "scifa0", NULL, "sh-sci.0" },
-       { "scifa1", NULL, "sh-sci.1" },
-       { "scifb0", NULL, "sh-sci.2" },
-       { "scifb1", NULL, "sh-sci.3" },
-       { "scifb2", NULL, "sh-sci.4" },
-       { "scifa2", NULL, "sh-sci.5" },
-       { "scif0", NULL, "sh-sci.6" },
-       { "scif1", NULL, "sh-sci.7" },
-       { "scif2", NULL, "sh-sci.8" },
-       { "scif3", NULL, "sh-sci.9" },
-       { "scif4", NULL, "sh-sci.10" },
-       { "scif5", NULL, "sh-sci.11" },
-       { "scifa3", NULL, "sh-sci.12" },
-       { "scifa4", NULL, "sh-sci.13" },
-       { "scifa5", NULL, "sh-sci.14" },
        { "du0", "du.0", "rcar-du-r8a7791" },
        { "du1", "du.1", "rcar-du-r8a7791" },
        { "lvds0", "lvds.0", "rcar-du-r8a7791" },

diff --git a/arch/arm/mach-shmobile/setup-r8a7791.c b/arch/arm/mach-shmobile/setup-r8a7791.c
index 74a416e..04a96dd 100644 (file)
--- a/arch/arm/mach-shmobile/setup-r8a7791.c
+++ b/arch/arm/mach-shmobile/setup-r8a7791.c
@@ -182,6 +182,11 @@ static const struct resource thermal_resources[] __initconst = {
 
 void __init r8a7791_add_dt_devices(void)
 {
+       r8a7791_register_cmt(0);
+}
+
+void __init r8a7791_add_standard_devices(void)
+{
        r8a7791_register_scif(0);
        r8a7791_register_scif(1);
        r8a7791_register_scif(2);
@@ -197,11 +202,6 @@ void __init r8a7791_add_dt_devices(void)
        r8a7791_register_scif(12);
        r8a7791_register_scif(13);
        r8a7791_register_scif(14);
-       r8a7791_register_cmt(0);
-}
-
-void __init r8a7791_add_standard_devices(void)
-{
        r8a7791_add_dt_devices();
        r8a7791_register_irqc(0);
        r8a7791_register_thermal();