ARM: shmobile: R8A7779: add Ether support

Add Ether clock and platform device for R8A7779 SoC; add a function to register
this device with board-specific platform data.

Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

3 files changed, 27 insertions, 2 deletions

diff --git a/arch/arm/mach-shmobile/clock-r8a7779.c b/arch/arm/mach-shmobile/clock-r8a7779.c
index 5436b512da7a..31d5cd4d9787 100644
--- a/arch/arm/mach-shmobile/clock-r8a7779.c
+++ b/arch/arm/mach-shmobile/clock-r8a7779.c
@@ -112,7 +112,7 @@ static struct clk *main_clks[] = {
 };
 
 enum { MSTP323, MSTP322, MSTP321, MSTP320,
-        MSTP115,
+        MSTP115, MSTP114,
         MSTP103, MSTP101, MSTP100,
         MSTP030,
         MSTP029, MSTP028, MSTP027, MSTP026, MSTP025, MSTP024, MSTP023, MSTP022, MSTP021,
@@ -126,6 +126,7 @@ static struct clk mstp_clks[MSTP_NR] = {
         [MSTP321] = SH_CLK_MSTP32(&clkp_clk, MSTPCR3, 21, 0), /* SDHI2 */
         [MSTP320] = SH_CLK_MSTP32(&clkp_clk, MSTPCR3, 20, 0), /* SDHI3 */
         [MSTP115] = SH_CLK_MSTP32(&clkp_clk, MSTPCR1, 15, 0), /* SATA */
+        [MSTP114] = SH_CLK_MSTP32(&clkp_clk, MSTPCR1, 14, 0), /* Ether */
         [MSTP103] = SH_CLK_MSTP32(&clks_clk, MSTPCR1,  3, 0), /* DU */
         [MSTP101] = SH_CLK_MSTP32(&clkp_clk, MSTPCR1,  1, 0), /* USB2 */
         [MSTP100] = SH_CLK_MSTP32(&clkp_clk, MSTPCR1,  0, 0), /* USB0/1 */
@@ -162,6 +163,7 @@ static struct clk_lookup lookups[] = {
         /* MSTP32 clocks */
         CLKDEV_DEV_ID("sata_rcar", &mstp_clks[MSTP115]), /* SATA */
         CLKDEV_DEV_ID("fc600000.sata", &mstp_clks[MSTP115]), /* SATA w/DT */
+        CLKDEV_DEV_ID("sh-eth", &mstp_clks[MSTP114]), /* Ether */
         CLKDEV_DEV_ID("ehci-platform.1", &mstp_clks[MSTP101]), /* USB EHCI port2 */
         CLKDEV_DEV_ID("ohci-platform.1", &mstp_clks[MSTP101]), /* USB OHCI port2 */
         CLKDEV_DEV_ID("ehci-platform.0", &mstp_clks[MSTP100]), /* USB EHCI port0/1 */
diff --git a/arch/arm/mach-shmobile/include/mach/r8a7779.h b/arch/arm/mach-shmobile/include/mach/r8a7779.h
index af38750f38f7..b58a1f026e9c 100644
--- a/arch/arm/mach-shmobile/include/mach/r8a7779.h
+++ b/arch/arm/mach-shmobile/include/mach/r8a7779.h
@@ -3,6 +3,7 @@
 
 #include <linux/sh_clk.h>
 #include <linux/pm_domain.h>
+#include <linux/sh_eth.h>
 
 /* Pin Function Controller:
  * GPIO_FN_xx - GPIO used to select pin function
@@ -352,6 +353,7 @@ extern void r8a7779_earlytimer_init(void);
 extern void r8a7779_add_early_devices(void);
 extern void r8a7779_add_standard_devices(void);
 extern void r8a7779_add_standard_devices_dt(void);
+extern void r8a7779_add_ether_device(struct sh_eth_plat_data *pdata);
 extern void r8a7779_clock_init(void);
 extern void r8a7779_pinmux_init(void);
 extern void r8a7779_pm_init(void);
diff --git a/arch/arm/mach-shmobile/setup-r8a7779.c b/arch/arm/mach-shmobile/setup-r8a7779.c
index 042df35e71a0..689ce67920d8 100644
--- a/arch/arm/mach-shmobile/setup-r8a7779.c
+++ b/arch/arm/mach-shmobile/setup-r8a7779.c
@@ -1,8 +1,9 @@
 /*
  * r8a7779 processor support
  *
- * Copyright (C) 2011  Renesas Solutions Corp.
+ * Copyright (C) 2011, 2013  Renesas Solutions Corp.
  * Copyright (C) 2011  Magnus Damm
+ * Copyright (C) 2013  Cogent Embedded, Inc.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -347,6 +348,18 @@ static struct platform_device sata_device = {
         },
 };
 
+/* Ether */
+static struct resource ether_resources[] = {
+        {
+                .start  = 0xfde00000,
+                .end    = 0xfde003ff,
+                .flags  = IORESOURCE_MEM,
+        }, {
+                .start  = gic_iid(0xb4),
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
 static struct platform_device *r8a7779_devices_dt[] __initdata = {
         &scif0_device,
         &scif1_device,
@@ -382,6 +395,14 @@ void __init r8a7779_add_standard_devices(void)
                             ARRAY_SIZE(r8a7779_late_devices));
 }
 
+void __init r8a7779_add_ether_device(struct sh_eth_plat_data *pdata)
+{
+        platform_device_register_resndata(&platform_bus, "sh_eth", -1,
+                                          ether_resources,
+                                          ARRAY_SIZE(ether_resources),
+                                          pdata, sizeof(*pdata));
+}
+
 /* do nothing for !CONFIG_SMP or !CONFIG_HAVE_TWD */
 void __init __weak r8a7779_register_twd(void) { }