/*
* Copyright (c) 2011 The Chromium OS Authors.
- * See file CREDITS for list of people who contributed to this
- * project.
*
- * 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 the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
/* Tegra20 high-level function multiplexing */
#include <asm/arch/funcmux.h>
#include <asm/arch/pinmux.h>
+/*
+ * The PINMUX macro is used to set up pinmux tables.
+ */
+#define PINMUX(grp, mux, pupd, tri) \
+ {PMUX_PINGRP_##grp, PMUX_FUNC_##mux, PMUX_PULL_##pupd, PMUX_TRI_##tri}
+
+static const struct pmux_pingrp_config disp1_default[] = {
+ PINMUX(LDI, DISPA, NORMAL, NORMAL),
+ PINMUX(LHP0, DISPA, NORMAL, NORMAL),
+ PINMUX(LHP1, DISPA, NORMAL, NORMAL),
+ PINMUX(LHP2, DISPA, NORMAL, NORMAL),
+ PINMUX(LHS, DISPA, NORMAL, NORMAL),
+ PINMUX(LM0, RSVD4, NORMAL, NORMAL),
+ PINMUX(LPP, DISPA, NORMAL, NORMAL),
+ PINMUX(LPW0, DISPA, NORMAL, NORMAL),
+ PINMUX(LPW2, DISPA, NORMAL, NORMAL),
+ PINMUX(LSC0, DISPA, NORMAL, NORMAL),
+ PINMUX(LSPI, DISPA, NORMAL, NORMAL),
+ PINMUX(LVP1, DISPA, NORMAL, NORMAL),
+ PINMUX(LVS, DISPA, NORMAL, NORMAL),
+ PINMUX(SLXD, SPDIF, NORMAL, NORMAL),
+};
+
+
int funcmux_select(enum periph_id id, int config)
{
int bad_config = config != FUNCMUX_DEFAULT;
case PERIPH_ID_UART1:
switch (config) {
case FUNCMUX_UART1_IRRX_IRTX:
- pinmux_set_func(PINGRP_IRRX, PMUX_FUNC_UARTA);
- pinmux_set_func(PINGRP_IRTX, PMUX_FUNC_UARTA);
- pinmux_tristate_disable(PINGRP_IRRX);
- pinmux_tristate_disable(PINGRP_IRTX);
+ pinmux_set_func(PMUX_PINGRP_IRRX, PMUX_FUNC_UARTA);
+ pinmux_set_func(PMUX_PINGRP_IRTX, PMUX_FUNC_UARTA);
+ pinmux_tristate_disable(PMUX_PINGRP_IRRX);
+ pinmux_tristate_disable(PMUX_PINGRP_IRTX);
break;
case FUNCMUX_UART1_UAA_UAB:
- pinmux_set_func(PINGRP_UAA, PMUX_FUNC_UARTA);
- pinmux_set_func(PINGRP_UAB, PMUX_FUNC_UARTA);
- pinmux_tristate_disable(PINGRP_UAA);
- pinmux_tristate_disable(PINGRP_UAB);
+ pinmux_set_func(PMUX_PINGRP_UAA, PMUX_FUNC_UARTA);
+ pinmux_set_func(PMUX_PINGRP_UAB, PMUX_FUNC_UARTA);
+ pinmux_tristate_disable(PMUX_PINGRP_UAA);
+ pinmux_tristate_disable(PMUX_PINGRP_UAB);
bad_config = 0;
break;
case FUNCMUX_UART1_GPU:
- pinmux_set_func(PINGRP_GPU, PMUX_FUNC_UARTA);
- pinmux_tristate_disable(PINGRP_GPU);
+ pinmux_set_func(PMUX_PINGRP_GPU, PMUX_FUNC_UARTA);
+ pinmux_tristate_disable(PMUX_PINGRP_GPU);
bad_config = 0;
break;
case FUNCMUX_UART1_SDIO1:
- pinmux_set_func(PINGRP_SDIO1, PMUX_FUNC_UARTA);
- pinmux_tristate_disable(PINGRP_SDIO1);
+ pinmux_set_func(PMUX_PINGRP_SDIO1, PMUX_FUNC_UARTA);
+ pinmux_tristate_disable(PMUX_PINGRP_SDIO1);
bad_config = 0;
break;
}
* state the group to avoid driving any signal onto it
* until we know what's connected.
*/
- pinmux_tristate_enable(PINGRP_SDB);
- pinmux_set_func(PINGRP_SDB, PMUX_FUNC_SDIO3);
+ pinmux_tristate_enable(PMUX_PINGRP_SDB);
+ pinmux_set_func(PMUX_PINGRP_SDB, PMUX_FUNC_SDIO3);
}
break;
case PERIPH_ID_UART2:
- if (config == FUNCMUX_UART2_IRDA) {
- pinmux_set_func(PINGRP_UAD, PMUX_FUNC_IRDA);
- pinmux_tristate_disable(PINGRP_UAD);
+ if (config == FUNCMUX_UART2_UAD) {
+ pinmux_set_func(PMUX_PINGRP_UAD, PMUX_FUNC_UARTB);
+ pinmux_tristate_disable(PMUX_PINGRP_UAD);
}
break;
case PERIPH_ID_UART4:
if (config == FUNCMUX_UART4_GMC) {
- pinmux_set_func(PINGRP_GMC, PMUX_FUNC_UARTD);
- pinmux_tristate_disable(PINGRP_GMC);
+ pinmux_set_func(PMUX_PINGRP_GMC, PMUX_FUNC_UARTD);
+ pinmux_tristate_disable(PMUX_PINGRP_GMC);
}
break;
case PERIPH_ID_DVC_I2C:
/* there is only one selection, pinmux_config is ignored */
if (config == FUNCMUX_DVC_I2CP) {
- pinmux_set_func(PINGRP_I2CP, PMUX_FUNC_I2C);
- pinmux_tristate_disable(PINGRP_I2CP);
+ pinmux_set_func(PMUX_PINGRP_I2CP, PMUX_FUNC_I2C);
+ pinmux_tristate_disable(PMUX_PINGRP_I2CP);
}
break;
case PERIPH_ID_I2C1:
/* support pinmux_config of 0 for now, */
if (config == FUNCMUX_I2C1_RM) {
- pinmux_set_func(PINGRP_RM, PMUX_FUNC_I2C);
- pinmux_tristate_disable(PINGRP_RM);
+ pinmux_set_func(PMUX_PINGRP_RM, PMUX_FUNC_I2C);
+ pinmux_tristate_disable(PMUX_PINGRP_RM);
}
break;
case PERIPH_ID_I2C2: /* I2C2 */
switch (config) {
case FUNCMUX_I2C2_DDC: /* DDC pin group, select I2C2 */
- pinmux_set_func(PINGRP_DDC, PMUX_FUNC_I2C2);
+ pinmux_set_func(PMUX_PINGRP_DDC, PMUX_FUNC_I2C2);
/* PTA to HDMI */
- pinmux_set_func(PINGRP_PTA, PMUX_FUNC_HDMI);
- pinmux_tristate_disable(PINGRP_DDC);
+ pinmux_set_func(PMUX_PINGRP_PTA, PMUX_FUNC_HDMI);
+ pinmux_tristate_disable(PMUX_PINGRP_DDC);
break;
case FUNCMUX_I2C2_PTA: /* PTA pin group, select I2C2 */
- pinmux_set_func(PINGRP_PTA, PMUX_FUNC_I2C2);
+ pinmux_set_func(PMUX_PINGRP_PTA, PMUX_FUNC_I2C2);
/* set DDC_SEL to RSVDx (RSVD2 works for now) */
- pinmux_set_func(PINGRP_DDC, PMUX_FUNC_RSVD2);
- pinmux_tristate_disable(PINGRP_PTA);
+ pinmux_set_func(PMUX_PINGRP_DDC, PMUX_FUNC_RSVD2);
+ pinmux_tristate_disable(PMUX_PINGRP_PTA);
bad_config = 0;
break;
}
case PERIPH_ID_I2C3: /* I2C3 */
/* support pinmux_config of 0 for now */
if (config == FUNCMUX_I2C3_DTF) {
- pinmux_set_func(PINGRP_DTF, PMUX_FUNC_I2C3);
- pinmux_tristate_disable(PINGRP_DTF);
+ pinmux_set_func(PMUX_PINGRP_DTF, PMUX_FUNC_I2C3);
+ pinmux_tristate_disable(PMUX_PINGRP_DTF);
}
break;
case PERIPH_ID_SDMMC1:
if (config == FUNCMUX_SDMMC1_SDIO1_4BIT) {
- pinmux_set_func(PINGRP_SDIO1, PMUX_FUNC_SDIO1);
- pinmux_tristate_disable(PINGRP_SDIO1);
+ pinmux_set_func(PMUX_PINGRP_SDIO1, PMUX_FUNC_SDIO1);
+ pinmux_tristate_disable(PMUX_PINGRP_SDIO1);
}
break;
case PERIPH_ID_SDMMC2:
if (config == FUNCMUX_SDMMC2_DTA_DTD_8BIT) {
- pinmux_set_func(PINGRP_DTA, PMUX_FUNC_SDIO2);
- pinmux_set_func(PINGRP_DTD, PMUX_FUNC_SDIO2);
+ pinmux_set_func(PMUX_PINGRP_DTA, PMUX_FUNC_SDIO2);
+ pinmux_set_func(PMUX_PINGRP_DTD, PMUX_FUNC_SDIO2);
- pinmux_tristate_disable(PINGRP_DTA);
- pinmux_tristate_disable(PINGRP_DTD);
+ pinmux_tristate_disable(PMUX_PINGRP_DTA);
+ pinmux_tristate_disable(PMUX_PINGRP_DTD);
}
break;
case PERIPH_ID_SDMMC3:
switch (config) {
case FUNCMUX_SDMMC3_SDB_SLXA_8BIT:
- pinmux_set_func(PINGRP_SLXA, PMUX_FUNC_SDIO3);
- pinmux_set_func(PINGRP_SLXC, PMUX_FUNC_SDIO3);
- pinmux_set_func(PINGRP_SLXD, PMUX_FUNC_SDIO3);
- pinmux_set_func(PINGRP_SLXK, PMUX_FUNC_SDIO3);
-
- pinmux_tristate_disable(PINGRP_SLXA);
- pinmux_tristate_disable(PINGRP_SLXC);
- pinmux_tristate_disable(PINGRP_SLXD);
- pinmux_tristate_disable(PINGRP_SLXK);
+ pinmux_set_func(PMUX_PINGRP_SLXA, PMUX_FUNC_SDIO3);
+ pinmux_set_func(PMUX_PINGRP_SLXC, PMUX_FUNC_SDIO3);
+ pinmux_set_func(PMUX_PINGRP_SLXD, PMUX_FUNC_SDIO3);
+ pinmux_set_func(PMUX_PINGRP_SLXK, PMUX_FUNC_SDIO3);
+
+ pinmux_tristate_disable(PMUX_PINGRP_SLXA);
+ pinmux_tristate_disable(PMUX_PINGRP_SLXC);
+ pinmux_tristate_disable(PMUX_PINGRP_SLXD);
+ pinmux_tristate_disable(PMUX_PINGRP_SLXK);
/* fall through */
case FUNCMUX_SDMMC3_SDB_4BIT:
- pinmux_set_func(PINGRP_SDB, PMUX_FUNC_SDIO3);
- pinmux_set_func(PINGRP_SDC, PMUX_FUNC_SDIO3);
- pinmux_set_func(PINGRP_SDD, PMUX_FUNC_SDIO3);
+ pinmux_set_func(PMUX_PINGRP_SDB, PMUX_FUNC_SDIO3);
+ pinmux_set_func(PMUX_PINGRP_SDC, PMUX_FUNC_SDIO3);
+ pinmux_set_func(PMUX_PINGRP_SDD, PMUX_FUNC_SDIO3);
- pinmux_tristate_disable(PINGRP_SDB);
- pinmux_tristate_disable(PINGRP_SDC);
- pinmux_tristate_disable(PINGRP_SDD);
+ pinmux_tristate_disable(PMUX_PINGRP_SDB);
+ pinmux_tristate_disable(PMUX_PINGRP_SDC);
+ pinmux_tristate_disable(PMUX_PINGRP_SDD);
bad_config = 0;
break;
}
case PERIPH_ID_SDMMC4:
switch (config) {
case FUNCMUX_SDMMC4_ATC_ATD_8BIT:
- pinmux_set_func(PINGRP_ATC, PMUX_FUNC_SDIO4);
- pinmux_set_func(PINGRP_ATD, PMUX_FUNC_SDIO4);
+ pinmux_set_func(PMUX_PINGRP_ATC, PMUX_FUNC_SDIO4);
+ pinmux_set_func(PMUX_PINGRP_ATD, PMUX_FUNC_SDIO4);
- pinmux_tristate_disable(PINGRP_ATC);
- pinmux_tristate_disable(PINGRP_ATD);
+ pinmux_tristate_disable(PMUX_PINGRP_ATC);
+ pinmux_tristate_disable(PMUX_PINGRP_ATD);
break;
case FUNCMUX_SDMMC4_ATB_GMA_GME_8_BIT:
- pinmux_set_func(PINGRP_GME, PMUX_FUNC_SDIO4);
- pinmux_tristate_disable(PINGRP_GME);
+ pinmux_set_func(PMUX_PINGRP_GME, PMUX_FUNC_SDIO4);
+ pinmux_tristate_disable(PMUX_PINGRP_GME);
/* fall through */
case FUNCMUX_SDMMC4_ATB_GMA_4_BIT:
- pinmux_set_func(PINGRP_ATB, PMUX_FUNC_SDIO4);
- pinmux_set_func(PINGRP_GMA, PMUX_FUNC_SDIO4);
+ pinmux_set_func(PMUX_PINGRP_ATB, PMUX_FUNC_SDIO4);
+ pinmux_set_func(PMUX_PINGRP_GMA, PMUX_FUNC_SDIO4);
- pinmux_tristate_disable(PINGRP_ATB);
- pinmux_tristate_disable(PINGRP_GMA);
+ pinmux_tristate_disable(PMUX_PINGRP_ATB);
+ pinmux_tristate_disable(PMUX_PINGRP_GMA);
bad_config = 0;
break;
}
case PERIPH_ID_KBC:
if (config == FUNCMUX_DEFAULT) {
- enum pmux_pingrp grp[] = {PINGRP_KBCA, PINGRP_KBCB,
- PINGRP_KBCC, PINGRP_KBCD, PINGRP_KBCE,
- PINGRP_KBCF};
+ enum pmux_pingrp grp[] = {PMUX_PINGRP_KBCA,
+ PMUX_PINGRP_KBCB, PMUX_PINGRP_KBCC,
+ PMUX_PINGRP_KBCD, PMUX_PINGRP_KBCE,
+ PMUX_PINGRP_KBCF};
int i;
for (i = 0; i < ARRAY_SIZE(grp); i++) {
case PERIPH_ID_USB2:
if (config == FUNCMUX_USB2_ULPI) {
- pinmux_set_func(PINGRP_UAA, PMUX_FUNC_ULPI);
- pinmux_set_func(PINGRP_UAB, PMUX_FUNC_ULPI);
- pinmux_set_func(PINGRP_UDA, PMUX_FUNC_ULPI);
+ pinmux_set_func(PMUX_PINGRP_UAA, PMUX_FUNC_ULPI);
+ pinmux_set_func(PMUX_PINGRP_UAB, PMUX_FUNC_ULPI);
+ pinmux_set_func(PMUX_PINGRP_UDA, PMUX_FUNC_ULPI);
- pinmux_tristate_disable(PINGRP_UAA);
- pinmux_tristate_disable(PINGRP_UAB);
- pinmux_tristate_disable(PINGRP_UDA);
+ pinmux_tristate_disable(PMUX_PINGRP_UAA);
+ pinmux_tristate_disable(PMUX_PINGRP_UAB);
+ pinmux_tristate_disable(PMUX_PINGRP_UDA);
}
break;
case PERIPH_ID_SPI1:
if (config == FUNCMUX_SPI1_GMC_GMD) {
- pinmux_set_func(PINGRP_GMC, PMUX_FUNC_SFLASH);
- pinmux_set_func(PINGRP_GMD, PMUX_FUNC_SFLASH);
+ pinmux_set_func(PMUX_PINGRP_GMC, PMUX_FUNC_SFLASH);
+ pinmux_set_func(PMUX_PINGRP_GMD, PMUX_FUNC_SFLASH);
- pinmux_tristate_disable(PINGRP_GMC);
- pinmux_tristate_disable(PINGRP_GMD);
+ pinmux_tristate_disable(PMUX_PINGRP_GMC);
+ pinmux_tristate_disable(PMUX_PINGRP_GMD);
}
break;
case PERIPH_ID_NDFLASH:
- if (config == FUNCMUX_NDFLASH_ATC) {
- pinmux_set_func(PINGRP_ATC, PMUX_FUNC_NAND);
- pinmux_tristate_disable(PINGRP_ATC);
+ switch (config) {
+ case FUNCMUX_NDFLASH_ATC:
+ pinmux_set_func(PMUX_PINGRP_ATC, PMUX_FUNC_NAND);
+ pinmux_tristate_disable(PMUX_PINGRP_ATC);
+ break;
+ case FUNCMUX_NDFLASH_KBC_8_BIT:
+ pinmux_set_func(PMUX_PINGRP_KBCA, PMUX_FUNC_NAND);
+ pinmux_set_func(PMUX_PINGRP_KBCC, PMUX_FUNC_NAND);
+ pinmux_set_func(PMUX_PINGRP_KBCD, PMUX_FUNC_NAND);
+ pinmux_set_func(PMUX_PINGRP_KBCE, PMUX_FUNC_NAND);
+ pinmux_set_func(PMUX_PINGRP_KBCF, PMUX_FUNC_NAND);
+
+ pinmux_tristate_disable(PMUX_PINGRP_KBCA);
+ pinmux_tristate_disable(PMUX_PINGRP_KBCC);
+ pinmux_tristate_disable(PMUX_PINGRP_KBCD);
+ pinmux_tristate_disable(PMUX_PINGRP_KBCE);
+ pinmux_tristate_disable(PMUX_PINGRP_KBCF);
+
+ bad_config = 0;
+ break;
+ }
+ break;
+ case PERIPH_ID_DISP1:
+ if (config == FUNCMUX_DEFAULT) {
+ int i;
+
+ for (i = PMUX_PINGRP_LD0; i <= PMUX_PINGRP_LD17; i++) {
+ pinmux_set_func(i, PMUX_FUNC_DISPA);
+ pinmux_tristate_disable(i);
+ pinmux_set_pullupdown(i, PMUX_PULL_NORMAL);
+ }
+ pinmux_config_pingrp_table(disp1_default,
+ ARRAY_SIZE(disp1_default));
}
break;