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authorMike Rapoport <mike@compulab.co.il>2010-11-15 11:48:33 +0200
committerNicolas Pitre <nico@fluxnic.net>2010-12-15 10:32:30 -0500
commit5af244fdf2a2405b2181da2a32636f3ca5ef162e (patch)
treea4da14554797972718439a9a126102756454b783 /arch/arm/mach-dove
parent8d4ce4cd7480ccd8412d4391d063733d6fc52f5c (diff)
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[ARM] Dove: add support for multi-purpose pins configuration
Signed-off-by: Mike Rapoport <mike@compulab.co.il> Acked-by: Saeed Bishara <saeed@marvell.com> Signed-off-by: Nicolas Pitre <nico@fluxnic.net>
Diffstat (limited to 'arch/arm/mach-dove')
-rw-r--r--arch/arm/mach-dove/Makefile2
-rw-r--r--arch/arm/mach-dove/include/mach/dove.h8
-rw-r--r--arch/arm/mach-dove/mpp.c212
-rw-r--r--arch/arm/mach-dove/mpp.h220
4 files changed, 440 insertions, 2 deletions
diff --git a/arch/arm/mach-dove/Makefile b/arch/arm/mach-dove/Makefile
index f74f549..fa0f018 100644
--- a/arch/arm/mach-dove/Makefile
+++ b/arch/arm/mach-dove/Makefile
@@ -1,4 +1,4 @@
-obj-y += common.o addr-map.o irq.o pcie.o
+obj-y += common.o addr-map.o irq.o pcie.o mpp.o
obj-$(CONFIG_MACH_DOVE_DB) += dove-db-setup.o
obj-$(CONFIG_MACH_CM_A510) += cm-a510.o
diff --git a/arch/arm/mach-dove/include/mach/dove.h b/arch/arm/mach-dove/include/mach/dove.h
index 148f4f0..27b4145 100644
--- a/arch/arm/mach-dove/include/mach/dove.h
+++ b/arch/arm/mach-dove/include/mach/dove.h
@@ -136,10 +136,16 @@
#define DOVE_AU1_SPDIFO_GPIO_EN (1 << 1)
#define DOVE_NAND_GPIO_EN (1 << 0)
#define DOVE_MPP_CTRL4_VIRT_BASE (DOVE_GPIO_VIRT_BASE + 0x40)
-
+#define DOVE_SPI_GPIO_SEL (1 << 5)
+#define DOVE_UART1_GPIO_SEL (1 << 4)
+#define DOVE_AU1_GPIO_SEL (1 << 3)
+#define DOVE_CAM_GPIO_SEL (1 << 2)
+#define DOVE_SD1_GPIO_SEL (1 << 1)
+#define DOVE_SD0_GPIO_SEL (1 << 0)
/* Power Management */
#define DOVE_PMU_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0xd0000)
+#define DOVE_PMU_SIG_CTRL (DOVE_PMU_VIRT_BASE + 0x802c)
/* Real Time Clock */
#define DOVE_RTC_PHYS_BASE (DOVE_SB_REGS_PHYS_BASE | 0xd8500)
diff --git a/arch/arm/mach-dove/mpp.c b/arch/arm/mach-dove/mpp.c
new file mode 100644
index 0000000..71db2bd
--- /dev/null
+++ b/arch/arm/mach-dove/mpp.c
@@ -0,0 +1,212 @@
+/*
+ * arch/arm/mach-dove/mpp.c
+ *
+ * MPP functions for Marvell Dove SoCs
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/kernel.h>
+#include <linux/gpio.h>
+#include <linux/io.h>
+
+#include <mach/dove.h>
+
+#include "mpp.h"
+
+#define MPP_NR_REGS 4
+#define MPP_CTRL(i) ((i) == 3 ? \
+ DOVE_MPP_CTRL4_VIRT_BASE : \
+ DOVE_MPP_VIRT_BASE + (i) * 4)
+#define PMU_SIG_REGS 2
+#define PMU_SIG_CTRL(i) (DOVE_PMU_SIG_CTRL + (i) * 4)
+
+struct dove_mpp_grp {
+ int start;
+ int end;
+};
+
+static struct dove_mpp_grp dove_mpp_grp[] = {
+ [MPP_24_39] = {
+ .start = 24,
+ .end = 39,
+ },
+ [MPP_40_45] = {
+ .start = 40,
+ .end = 45,
+ },
+ [MPP_46_51] = {
+ .start = 40,
+ .end = 45,
+ },
+ [MPP_58_61] = {
+ .start = 58,
+ .end = 61,
+ },
+ [MPP_62_63] = {
+ .start = 62,
+ .end = 63,
+ },
+};
+
+static void dove_mpp_gpio_mode(int start, int end, int gpio_mode)
+{
+ int i;
+
+ for (i = start; i <= end; i++)
+ orion_gpio_set_valid(i, gpio_mode);
+}
+
+static void dove_mpp_dump_regs(void)
+{
+#ifdef DEBUG
+ int i;
+
+ pr_debug("MPP_CTRL regs:");
+ for (i = 0; i < MPP_NR_REGS; i++)
+ printk(" %08x", readl(MPP_CTRL(i)));
+ printk("\n");
+
+ pr_debug("PMU_SIG_CTRL regs:");
+ for (i = 0; i < PMU_SIG_REGS; i++)
+ printk(" %08x", readl(PMU_SIG_CTRL(i)));
+ printk("\n");
+
+ pr_debug("PMU_MPP_GENERAL_CTRL: %08x\n", readl(DOVE_PMU_MPP_GENERAL_CTRL));
+ pr_debug("MPP_GENERAL: %08x\n", readl(DOVE_MPP_GENERAL_VIRT_BASE));
+#endif
+}
+
+static void dove_mpp_cfg_nfc(int sel)
+{
+ u32 mpp_gen_cfg = readl(DOVE_MPP_GENERAL_VIRT_BASE);
+
+ mpp_gen_cfg &= ~0x1;
+ mpp_gen_cfg |= sel;
+ writel(mpp_gen_cfg, DOVE_MPP_GENERAL_VIRT_BASE);
+
+ dove_mpp_gpio_mode(64, 71, GPIO_OUTPUT_OK);
+}
+
+static void dove_mpp_cfg_au1(int sel)
+{
+ u32 mpp_ctrl4 = readl(DOVE_MPP_CTRL4_VIRT_BASE);
+ u32 ssp_ctrl1 = readl(DOVE_SSP_CTRL_STATUS_1);
+ u32 mpp_gen_ctrl = readl(DOVE_MPP_GENERAL_VIRT_BASE);
+ u32 global_cfg_2 = readl(DOVE_GLOBAL_CONFIG_2);
+
+ mpp_ctrl4 &= ~(DOVE_AU1_GPIO_SEL);
+ ssp_ctrl1 &= ~(DOVE_SSP_ON_AU1);
+ mpp_gen_ctrl &= ~(DOVE_AU1_SPDIFO_GPIO_EN);
+ global_cfg_2 &= ~(DOVE_TWSI_OPTION3_GPIO);
+
+ if (!sel || sel == 0x2)
+ dove_mpp_gpio_mode(52, 57, 0);
+ else
+ dove_mpp_gpio_mode(52, 57, GPIO_OUTPUT_OK | GPIO_INPUT_OK);
+
+ if (sel & 0x1) {
+ global_cfg_2 |= DOVE_TWSI_OPTION3_GPIO;
+ dove_mpp_gpio_mode(56, 57, 0);
+ }
+ if (sel & 0x2) {
+ mpp_gen_ctrl |= DOVE_AU1_SPDIFO_GPIO_EN;
+ dove_mpp_gpio_mode(57, 57, GPIO_OUTPUT_OK | GPIO_INPUT_OK);
+ }
+ if (sel & 0x4) {
+ ssp_ctrl1 |= DOVE_SSP_ON_AU1;
+ dove_mpp_gpio_mode(52, 55, 0);
+ }
+ if (sel & 0x8)
+ mpp_ctrl4 |= DOVE_AU1_GPIO_SEL;
+
+ writel(mpp_ctrl4, DOVE_MPP_CTRL4_VIRT_BASE);
+ writel(ssp_ctrl1, DOVE_SSP_CTRL_STATUS_1);
+ writel(mpp_gen_ctrl, DOVE_MPP_GENERAL_VIRT_BASE);
+ writel(global_cfg_2, DOVE_GLOBAL_CONFIG_2);
+}
+
+static void dove_mpp_conf_grp(int num, int sel, u32 *mpp_ctrl)
+{
+ int start = dove_mpp_grp[num].start;
+ int end = dove_mpp_grp[num].end;
+ int gpio_mode = sel ? GPIO_OUTPUT_OK | GPIO_INPUT_OK : 0;
+
+ *mpp_ctrl &= ~(0x1 << num);
+ *mpp_ctrl |= sel << num;
+
+ dove_mpp_gpio_mode(start, end, gpio_mode);
+}
+
+void __init dove_mpp_conf(unsigned int *mpp_list)
+{
+ u32 mpp_ctrl[MPP_NR_REGS];
+ u32 pmu_mpp_ctrl = 0;
+ u32 pmu_sig_ctrl[PMU_SIG_REGS];
+ int i;
+
+ /* Initialize gpiolib. */
+ orion_gpio_init();
+
+ for (i = 0; i < MPP_NR_REGS; i++)
+ mpp_ctrl[i] = readl(MPP_CTRL(i));
+
+ for (i = 0; i < PMU_SIG_REGS; i++)
+ pmu_sig_ctrl[i] = readl(PMU_SIG_CTRL(i));
+
+ pmu_mpp_ctrl = readl(DOVE_PMU_MPP_GENERAL_CTRL);
+
+ dove_mpp_dump_regs();
+
+ for ( ; *mpp_list != MPP_END; mpp_list++) {
+ unsigned int num = MPP_NUM(*mpp_list);
+ unsigned int sel = MPP_SEL(*mpp_list);
+ int shift, gpio_mode;
+
+ if (num > MPP_MAX) {
+ pr_err("dove: invalid MPP number (%u)\n", num);
+ continue;
+ }
+
+ if (*mpp_list & MPP_NFC_MASK) {
+ dove_mpp_cfg_nfc(sel);
+ continue;
+ }
+
+ if (*mpp_list & MPP_AU1_MASK) {
+ dove_mpp_cfg_au1(sel);
+ continue;
+ }
+
+ if (*mpp_list & MPP_GRP_MASK) {
+ dove_mpp_conf_grp(num, sel, &mpp_ctrl[3]);
+ continue;
+ }
+
+ shift = (num & 7) << 2;
+ if (*mpp_list & MPP_PMU_MASK) {
+ pmu_mpp_ctrl |= (0x1 << num);
+ pmu_sig_ctrl[num / 8] &= ~(0xf << shift);
+ pmu_sig_ctrl[num / 8] |= 0xf << shift;
+ gpio_mode = 0;
+ } else {
+ mpp_ctrl[num / 8] &= ~(0xf << shift);
+ mpp_ctrl[num / 8] |= sel << shift;
+ gpio_mode = GPIO_OUTPUT_OK | GPIO_INPUT_OK;
+ }
+
+ orion_gpio_set_valid(num, gpio_mode);
+ }
+
+ for (i = 0; i < MPP_NR_REGS; i++)
+ writel(mpp_ctrl[i], MPP_CTRL(i));
+
+ for (i = 0; i < PMU_SIG_REGS; i++)
+ writel(pmu_sig_ctrl[i], PMU_SIG_CTRL(i));
+
+ writel(pmu_mpp_ctrl, DOVE_PMU_MPP_GENERAL_CTRL);
+
+ dove_mpp_dump_regs();
+}
diff --git a/arch/arm/mach-dove/mpp.h b/arch/arm/mach-dove/mpp.h
new file mode 100644
index 0000000..2a43ce4
--- /dev/null
+++ b/arch/arm/mach-dove/mpp.h
@@ -0,0 +1,220 @@
+#ifndef __ARCH_DOVE_MPP_CODED_H
+#define __ARCH_DOVE_MPP_CODED_H
+
+#define MPP(_num, _mode, _pmu, _grp, _au1, _nfc) ( \
+/* MPP/group number */ ((_num) & 0xff) | \
+/* MPP select value */ (((_mode) & 0xf) << 8) | \
+/* MPP PMU */ ((!!(_pmu)) << 12) | \
+/* group flag */ ((!!(_grp)) << 13) | \
+/* AU1 flag */ ((!!(_au1)) << 14) | \
+/* NFCE flag */ ((!!(_nfc)) << 15))
+
+#define MPP_MAX 71
+
+#define MPP_NUM(x) ((x) & 0xff)
+#define MPP_SEL(x) (((x) >> 8) & 0xf)
+
+#define MPP_PMU_MASK MPP(0, 0x0, 1, 0, 0, 0)
+#define MPP_GRP_MASK MPP(0, 0x0, 0, 1, 0, 0)
+#define MPP_AU1_MASK MPP(0, 0x0, 0, 0, 1, 0)
+#define MPP_NFC_MASK MPP(0, 0x0, 0, 0, 0, 1)
+
+#define MPP_END MPP(0xff, 0xf, 1, 1, 1, 1)
+
+#define MPP_PMU_DRIVE_0 0x1
+#define MPP_PMU_DRIVE_1 0x2
+#define MPP_PMU_SDI 0x3
+#define MPP_PMU_CPU_PWRDWN 0x4
+#define MPP_PMU_STBY_PWRDWN 0x5
+#define MPP_PMU_CORE_PWR_GOOD 0x8
+#define MPP_PMU_BAT_FAULT 0xa
+#define MPP_PMU_EXT0_WU 0xb
+#define MPP_PMU_EXT1_WU 0xc
+#define MPP_PMU_EXT2_WU 0xd
+#define MPP_PMU_BLINK 0xe
+#define MPP_PMU(_num, _mode) MPP((_num), MPP_PMU_##_mode, 1, 0, 0, 0)
+
+#define MPP_PIN(_num, _mode) MPP((_num), (_mode), 0, 0, 0, 0)
+#define MPP_GRP(_grp, _mode) MPP((_grp), (_mode), 0, 1, 0, 0)
+#define MPP_GRP_AU1(_mode) MPP(0, (_mode), 0, 0, 1, 0)
+#define MPP_GRP_NFC(_mode) MPP(0, (_mode), 0, 0, 0, 1)
+
+#define MPP0_GPIO0 MPP_PIN(0, 0x0)
+#define MPP0_UA2_RTSn MPP_PIN(0, 0x2)
+#define MPP0_SDIO0_CD MPP_PIN(0, 0x3)
+#define MPP0_LCD0_PWM MPP_PIN(0, 0xf)
+
+#define MPP1_GPIO1 MPP_PIN(1, 0x0)
+#define MPP1_UA2_CTSn MPP_PIN(1, 0x2)
+#define MPP1_SDIO0_WP MPP_PIN(1, 0x3)
+#define MPP1_LCD1_PWM MPP_PIN(1, 0xf)
+
+#define MPP2_GPIO2 MPP_PIN(2, 0x0)
+#define MPP2_SATA_PRESENT MPP_PIN(2, 0x1)
+#define MPP2_UA2_TXD MPP_PIN(2, 0x2)
+#define MPP2_SDIO0_BUS_POWER MPP_PIN(2, 0x3)
+#define MPP2_UA_RTSn1 MPP_PIN(2, 0x4)
+
+#define MPP3_GPIO3 MPP_PIN(3, 0x0)
+#define MPP3_SATA_ACT MPP_PIN(3, 0x1)
+#define MPP3_UA2_RXD MPP_PIN(3, 0x2)
+#define MPP3_SDIO0_LED_CTRL MPP_PIN(3, 0x3)
+#define MPP3_UA_CTSn1 MPP_PIN(3, 0x4)
+#define MPP3_SPI_LCD_CS1 MPP_PIN(3, 0xf)
+
+#define MPP4_GPIO4 MPP_PIN(4, 0x0)
+#define MPP4_UA3_RTSn MPP_PIN(4, 0x2)
+#define MPP4_SDIO1_CD MPP_PIN(4, 0x3)
+#define MPP4_SPI_1_MISO MPP_PIN(4, 0x4)
+
+#define MPP5_GPIO5 MPP_PIN(5, 0x0)
+#define MPP5_UA3_CTSn MPP_PIN(5, 0x2)
+#define MPP5_SDIO1_WP MPP_PIN(5, 0x3)
+#define MPP5_SPI_1_CS MPP_PIN(5, 0x4)
+
+#define MPP6_GPIO6 MPP_PIN(6, 0x0)
+#define MPP6_UA3_TXD MPP_PIN(6, 0x2)
+#define MPP6_SDIO1_BUS_POWER MPP_PIN(6, 0x3)
+#define MPP6_SPI_1_MOSI MPP_PIN(6, 0x4)
+
+#define MPP7_GPIO7 MPP_PIN(7, 0x0)
+#define MPP7_UA3_RXD MPP_PIN(7, 0x2)
+#define MPP7_SDIO1_LED_CTRL MPP_PIN(7, 0x3)
+#define MPP7_SPI_1_SCK MPP_PIN(7, 0x4)
+
+#define MPP8_GPIO8 MPP_PIN(8, 0x0)
+#define MPP8_WD_RST_OUT MPP_PIN(8, 0x1)
+
+#define MPP9_GPIO9 MPP_PIN(9, 0x0)
+#define MPP9_PEX1_CLKREQn MPP_PIN(9, 0x5)
+
+#define MPP10_GPIO10 MPP_PIN(10, 0x0)
+#define MPP10_SSP_SCLK MPP_PIN(10, 0x5)
+
+#define MPP11_GPIO11 MPP_PIN(11, 0x0)
+#define MPP11_SATA_PRESENT MPP_PIN(11, 0x1)
+#define MPP11_SATA_ACT MPP_PIN(11, 0x2)
+#define MPP11_SDIO0_LED_CTRL MPP_PIN(11, 0x3)
+#define MPP11_SDIO1_LED_CTRL MPP_PIN(11, 0x4)
+#define MPP11_PEX0_CLKREQn MPP_PIN(11, 0x5)
+
+#define MPP12_GPIO12 MPP_PIN(12, 0x0)
+#define MPP12_SATA_ACT MPP_PIN(12, 0x1)
+#define MPP12_UA2_RTSn MPP_PIN(12, 0x2)
+#define MPP12_AD0_I2S_EXT_MCLK MPP_PIN(12, 0x3)
+#define MPP12_SDIO1_CD MPP_PIN(12, 0x4)
+
+#define MPP13_GPIO13 MPP_PIN(13, 0x0)
+#define MPP13_UA2_CTSn MPP_PIN(13, 0x2)
+#define MPP13_AD1_I2S_EXT_MCLK MPP_PIN(13, 0x3)
+#define MPP13_SDIO1WP MPP_PIN(13, 0x4)
+#define MPP13_SSP_EXTCLK MPP_PIN(13, 0x5)
+
+#define MPP14_GPIO14 MPP_PIN(14, 0x0)
+#define MPP14_UA2_TXD MPP_PIN(14, 0x2)
+#define MPP14_SDIO1_BUS_POWER MPP_PIN(14, 0x4)
+#define MPP14_SSP_RXD MPP_PIN(14, 0x5)
+
+#define MPP15_GPIO15 MPP_PIN(15, 0x0)
+#define MPP15_UA2_RXD MPP_PIN(15, 0x2)
+#define MPP15_SDIO1_LED_CTRL MPP_PIN(15, 0x4)
+#define MPP15_SSP_SFRM MPP_PIN(15, 0x5)
+
+#define MPP16_GPIO16 MPP_PIN(16, 0x0)
+#define MPP16_UA3_RTSn MPP_PIN(16, 0x2)
+#define MPP16_SDIO0_CD MPP_PIN(16, 0x3)
+#define MPP16_SPI_LCD_CS1 MPP_PIN(16, 0x4)
+#define MPP16_AC97_SDATA_IN1 MPP_PIN(16, 0x5)
+
+#define MPP17_GPIO17 MPP_PIN(17, 0x0)
+#define MPP17_AC97_SYSCLK_OUT MPP_PIN(17, 0x1)
+#define MPP17_UA3_CTSn MPP_PIN(17, 0x2)
+#define MPP17_SDIO0_WP MPP_PIN(17, 0x3)
+#define MPP17_TW_SDA2 MPP_PIN(17, 0x4)
+#define MPP17_AC97_SDATA_IN2 MPP_PIN(17, 0x5)
+
+#define MPP18_GPIO18 MPP_PIN(18, 0x0)
+#define MPP18_UA3_TXD MPP_PIN(18, 0x2)
+#define MPP18_SDIO0_BUS_POWER MPP_PIN(18, 0x3)
+#define MPP18_LCD0_PWM MPP_PIN(18, 0x4)
+#define MPP18_AC_SDATA_IN3 MPP_PIN(18, 0x5)
+
+#define MPP19_GPIO19 MPP_PIN(19, 0x0)
+#define MPP19_UA3_RXD MPP_PIN(19, 0x2)
+#define MPP19_SDIO0_LED_CTRL MPP_PIN(19, 0x3)
+#define MPP19_TW_SCK2 MPP_PIN(19, 0x4)
+
+#define MPP20_GPIO20 MPP_PIN(20, 0x0)
+#define MPP20_AC97_SYSCLK_OUT MPP_PIN(20, 0x1)
+#define MPP20_SPI_LCD_MISO MPP_PIN(20, 0x2)
+#define MPP20_SDIO1_CD MPP_PIN(20, 0x3)
+#define MPP20_SDIO0_CD MPP_PIN(20, 0x5)
+#define MPP20_SPI_1_MISO MPP_PIN(20, 0x6)
+
+#define MPP21_GPIO21 MPP_PIN(21, 0x0)
+#define MPP21_UA1_RTSn MPP_PIN(21, 0x1)
+#define MPP21_SPI_LCD_CS0 MPP_PIN(21, 0x2)
+#define MPP21_SDIO1_WP MPP_PIN(21, 0x3)
+#define MPP21_SSP_SFRM MPP_PIN(21, 0x4)
+#define MPP21_SDIO0_WP MPP_PIN(21, 0x5)
+#define MPP21_SPI_1_CS MPP_PIN(21, 0x6)
+
+#define MPP22_GPIO22 MPP_PIN(22, 0x0)
+#define MPP22_UA1_CTSn MPP_PIN(22, 0x1)
+#define MPP22_SPI_LCD_MOSI MPP_PIN(22, 0x2)
+#define MPP22_SDIO1_BUS_POWER MPP_PIN(22, 0x3)
+#define MPP22_SSP_TXD MPP_PIN(22, 0x4)
+#define MPP22_SDIO0_BUS_POWER MPP_PIN(22, 0x5)
+#define MPP22_SPI_1_MOSI MPP_PIN(22, 0x6)
+
+#define MPP23_GPIO23 MPP_PIN(23, 0x0)
+#define MPP23_SPI_LCD_SCK MPP_PIN(23, 0x2)
+#define MPP23_SDIO1_LED_CTRL MPP_PIN(23, 0x3)
+#define MPP23_SSP_SCLK MPP_PIN(23, 0x4)
+#define MPP23_SDIO0_LED_CTRL MPP_PIN(23, 0x5)
+#define MPP23_SPI_1_SCK MPP_PIN(23, 0x6)
+
+/* for MPP groups _num is a group index */
+enum dove_mpp_grp_idx {
+ MPP_24_39 = 2,
+ MPP_40_45 = 0,
+ MPP_46_51 = 1,
+ MPP_58_61 = 5,
+ MPP_62_63 = 4,
+};
+
+#define MPP24_39_GPIO MPP_GRP(MPP_24_39, 0x1)
+#define MPP24_39_CAM MPP_GRP(MPP_24_39, 0x0)
+
+#define MPP40_45_GPIO MPP_GRP(MPP_40_45, 0x1)
+#define MPP40_45_SD0 MPP_GRP(MPP_40_45, 0x0)
+
+#define MPP46_51_GPIO MPP_GRP(MPP_46_51, 0x1)
+#define MPP46_51_SD1 MPP_GRP(MPP_46_51, 0x0)
+
+#define MPP58_61_GPIO MPP_GRP(MPP_58_61, 0x1)
+#define MPP58_61_SPI MPP_GRP(MPP_58_61, 0x0)
+
+#define MPP62_63_GPIO MPP_GRP(MPP_62_63, 0x1)
+#define MPP62_63_UA1 MPP_GRP(MPP_62_63, 0x0)
+
+/* The MPP[64:71] control differs from other groups */
+#define MPP64_71_GPO MPP_GRP_NFC(0x1)
+#define MPP64_71_NFC MPP_GRP_NFC(0x0)
+
+/*
+ * The MPP[52:57] functionality is encoded by 4 bits in different
+ * registers. The _num field in this case encodes those bits in
+ * correspodence with Table 135 of 88AP510 Functional specification
+ */
+#define MPP52_57_AU1 MPP_GRP_AU1(0x0)
+#define MPP52_57_AU1_GPIO57 MPP_GRP_AU1(0x2)
+#define MPP52_57_GPIO MPP_GRP_AU1(0xa)
+#define MPP52_57_TW_GPIO MPP_GRP_AU1(0xb)
+#define MPP52_57_AU1_SSP MPP_GRP_AU1(0xc)
+#define MPP52_57_SSP_GPIO MPP_GRP_AU1(0xe)
+#define MPP52_57_SSP_TW MPP_GRP_AU1(0xf)
+
+void dove_mpp_conf(unsigned int *mpp_list);
+
+#endif /* __ARCH_DOVE_MPP_CODED_H */