patches.renesas/0412-ARM-shmobile-ape6evm-add-MMCIF-support.patch

From 04d1e7771f90d3688b9a6bca2cac7a277aa92658 Mon Sep 17 00:00:00 2001
From: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Date: Wed, 10 Jul 2013 10:13:08 +0200
Subject: ARM: shmobile: ape6evm: add MMCIF support

Add MMCIF support to the APE6EVM board in PIO mode only. Power supply is
fixed for now, eventually support for the tps80032 regulator, also
supplying both VDD and VccQ to the MMCIF slot should be added to APE6EVM.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@gmail.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
(cherry picked from commit 8711613252ed931037f9e9f8646935519dd8f362)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 arch/arm/mach-shmobile/board-ape6evm.c | 31 +++++++++++++++++++++++++++++++
 1 file changed, 31 insertions(+)

diff --git a/arch/arm/mach-shmobile/board-ape6evm.c b/arch/arm/mach-shmobile/board-ape6evm.c
index af6dd39d..8c7529cc 100644
--- a/arch/arm/mach-shmobile/board-ape6evm.c
+++ b/arch/arm/mach-shmobile/board-ape6evm.c
@@ -21,6 +21,8 @@
 #include <linux/gpio.h>
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
+#include <linux/mmc/host.h>
+#include <linux/mmc/sh_mmcif.h>
 #include <linux/pinctrl/machine.h>
 #include <linux/platform_device.h>
 #include <linux/regulator/fixed.h>
@@ -54,6 +56,25 @@ static const struct smsc911x_platform_config lan9220_data = {
 	.irq_polarity	= SMSC911X_IRQ_POLARITY_ACTIVE_HIGH,
 };
 
+/*
+ * On APE6EVM power is supplied to MMCIF by a tps80032 regulator. For now we
+ * model a VDD supply to MMCIF, using a fixed 3.3V regulator.
+ */
+static struct regulator_consumer_supply fixed3v3_power_consumers[] =
+{
+	REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
+};
+
+/* MMCIF */
+static struct sh_mmcif_plat_data mmcif0_pdata = {
+	.caps		= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
+};
+
+static struct resource mmcif0_resources[] = {
+	DEFINE_RES_MEM_NAMED(0xee200000, 0x100, "MMCIF0"),
+	DEFINE_RES_IRQ(gic_spi(169)),
+};
+
 static const struct pinctrl_map ape6evm_pinctrl_map[] = {
 	/* SCIFA0 console */
 	PIN_MAP_MUX_GROUP_DEFAULT("sh-sci.0", "pfc-r8a73a4",
@@ -61,6 +82,11 @@ static const struct pinctrl_map ape6evm_pinctrl_map[] = {
 	/* SMSC */
 	PIN_MAP_MUX_GROUP_DEFAULT("smsc911x", "pfc-r8a73a4",
 				  "irqc_irq40", "irqc"),
+	/* MMCIF0 */
+	PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a73a4",
+				  "mmc0_data8", "mmc0"),
+	PIN_MAP_MUX_GROUP_DEFAULT("sh_mmcif.0", "pfc-r8a73a4",
+				  "mmc0_ctrl", "mmc0"),
 };
 
 static void __init ape6evm_add_standard_devices(void)
@@ -93,6 +119,11 @@ static void __init ape6evm_add_standard_devices(void)
 	platform_device_register_resndata(&platform_bus, "smsc911x", -1,
 					  lan9220_res, ARRAY_SIZE(lan9220_res),
 					  &lan9220_data, sizeof(lan9220_data));
+	regulator_register_always_on(1, "fixed-3.3V", fixed3v3_power_consumers,
+				     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
+	platform_device_register_resndata(&platform_bus, "sh_mmcif", 0,
+					  mmcif0_resources, ARRAY_SIZE(mmcif0_resources),
+					  &mmcif0_pdata, sizeof(mmcif0_pdata));
 }
 
 static const char *ape6evm_boards_compat_dt[] __initdata = {
-- 
1.8.4.3.gca3854a