* [PATCH v3 0/2] [ARM] Dove: add support for MPP configuration @ 2010-10-28 13:24 Mike Rapoport 2010-10-28 13:24 ` [PATCH v3 1/2] [ARM] Dove: add support for GPIOs 64-71 Mike Rapoport 2010-10-28 13:24 ` [PATCH v3 2/2] [ARM] Dove: add support for multi-purpose pins configuration Mike Rapoport 0 siblings, 2 replies; 5+ messages in thread From: Mike Rapoport @ 2010-10-28 13:24 UTC (permalink / raw) To: linux-arm-kernel These patches add support for multi-purpose pins configuration on Marvell Dove and enable use of GPIOs 64-71 v3 changes: * add convinience macros to improve code readability * fix pmu_sig_ctrl |= assignment v2 changes: * fix group gpio assignment Mike Rapoport (2): [ARM] Dove: add support for GPIOs 64-71 [ARM] Dove: add support for multi-purpose pins configuration arch/arm/mach-dove/Makefile | 2 +- arch/arm/mach-dove/include/mach/dove.h | 9 +- arch/arm/mach-dove/include/mach/gpio.h | 6 +- arch/arm/mach-dove/mpp.c | 215 +++++++++++++++++++++++++++++++ arch/arm/mach-dove/mpp.h | 220 ++++++++++++++++++++++++++++++++ 5 files changed, 448 insertions(+), 4 deletions(-) create mode 100644 arch/arm/mach-dove/mpp.c create mode 100644 arch/arm/mach-dove/mpp.h -- 1.7.3.1 ^ permalink raw reply [flat|nested] 5+ messages in thread
* [PATCH v3 1/2] [ARM] Dove: add support for GPIOs 64-71 2010-10-28 13:24 [PATCH v3 0/2] [ARM] Dove: add support for MPP configuration Mike Rapoport @ 2010-10-28 13:24 ` Mike Rapoport 2010-10-28 13:24 ` [PATCH v3 2/2] [ARM] Dove: add support for multi-purpose pins configuration Mike Rapoport 1 sibling, 0 replies; 5+ messages in thread From: Mike Rapoport @ 2010-10-28 13:24 UTC (permalink / raw) To: linux-arm-kernel Signed-off-by: Mike Rapoport <mike@compulab.co.il> --- arch/arm/mach-dove/include/mach/dove.h | 1 + arch/arm/mach-dove/include/mach/gpio.h | 6 ++++-- 2 files changed, 5 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-dove/include/mach/dove.h b/arch/arm/mach-dove/include/mach/dove.h index f6a0839..148f4f0 100644 --- a/arch/arm/mach-dove/include/mach/dove.h +++ b/arch/arm/mach-dove/include/mach/dove.h @@ -131,6 +131,7 @@ #define DOVE_RESET_SAMPLE_LO (DOVE_MPP_VIRT_BASE | 0x014) #define DOVE_RESET_SAMPLE_HI (DOVE_MPP_VIRT_BASE | 0x018) #define DOVE_GPIO_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0xd0400) +#define DOVE_GPIO2_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0xe8400) #define DOVE_MPP_GENERAL_VIRT_BASE (DOVE_SB_REGS_VIRT_BASE | 0xe803c) #define DOVE_AU1_SPDIFO_GPIO_EN (1 << 1) #define DOVE_NAND_GPIO_EN (1 << 0) diff --git a/arch/arm/mach-dove/include/mach/gpio.h b/arch/arm/mach-dove/include/mach/gpio.h index 0ee70ff..340bb7a 100644 --- a/arch/arm/mach-dove/include/mach/gpio.h +++ b/arch/arm/mach-dove/include/mach/gpio.h @@ -14,12 +14,14 @@ #include <plat/gpio.h> #include <asm-generic/gpio.h> /* cansleep wrappers */ -#define GPIO_MAX 64 +#define GPIO_MAX 72 #define GPIO_BASE_LO (DOVE_GPIO_VIRT_BASE + 0x00) #define GPIO_BASE_HI (DOVE_GPIO_VIRT_BASE + 0x20) -#define GPIO_BASE(pin) ((pin < 32) ? GPIO_BASE_LO : GPIO_BASE_HI) +#define GPIO_BASE(pin) ((pin < 32) ? GPIO_BASE_LO : \ + ((pin < 64) ? GPIO_BASE_HI : \ + DOVE_GPIO2_VIRT_BASE)) #define GPIO_OUT(pin) (GPIO_BASE(pin) + 0x00) #define GPIO_IO_CONF(pin) (GPIO_BASE(pin) + 0x04) -- 1.7.3.1 ^ permalink raw reply related [flat|nested] 5+ messages in thread
* [PATCH v3 2/2] [ARM] Dove: add support for multi-purpose pins configuration 2010-10-28 13:24 [PATCH v3 0/2] [ARM] Dove: add support for MPP configuration Mike Rapoport 2010-10-28 13:24 ` [PATCH v3 1/2] [ARM] Dove: add support for GPIOs 64-71 Mike Rapoport @ 2010-10-28 13:24 ` Mike Rapoport 2010-11-10 17:42 ` saeed bishara 1 sibling, 1 reply; 5+ messages in thread From: Mike Rapoport @ 2010-10-28 13:24 UTC (permalink / raw) To: linux-arm-kernel Signed-off-by: Mike Rapoport <mike@compulab.co.il> --- arch/arm/mach-dove/Makefile | 2 +- arch/arm/mach-dove/include/mach/dove.h | 8 +- arch/arm/mach-dove/mpp.c | 215 +++++++++++++++++++++++++++++++ arch/arm/mach-dove/mpp.h | 220 ++++++++++++++++++++++++++++++++ 4 files changed, 443 insertions(+), 2 deletions(-) create mode 100644 arch/arm/mach-dove/mpp.c create mode 100644 arch/arm/mach-dove/mpp.h diff --git a/arch/arm/mach-dove/Makefile b/arch/arm/mach-dove/Makefile index 7ab3be5..1515f61 100644 --- a/arch/arm/mach-dove/Makefile +++ b/arch/arm/mach-dove/Makefile @@ -1,3 +1,3 @@ -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 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..2857d4b --- /dev/null +++ b/arch/arm/mach-dove/mpp.c @@ -0,0 +1,215 @@ +/* + * 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(); + + while (*mpp_list != MPP_END) { + 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); + goto next_pin; + } + + if (*mpp_list & MPP_NFC_MASK) { + dove_mpp_cfg_nfc(sel); + goto next_pin; + } + + if (*mpp_list & MPP_AU1_MASK) { + dove_mpp_cfg_au1(sel); + goto next_pin; + } + + if (*mpp_list & MPP_GRP_MASK) { + dove_mpp_conf_grp(num, sel, &mpp_ctrl[3]); + goto next_pin; + } + + 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); + +next_pin: + mpp_list++; + } + + 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 */ -- 1.7.3.1 ^ permalink raw reply related [flat|nested] 5+ messages in thread
* [PATCH v3 2/2] [ARM] Dove: add support for multi-purpose pins configuration 2010-10-28 13:24 ` [PATCH v3 2/2] [ARM] Dove: add support for multi-purpose pins configuration Mike Rapoport @ 2010-11-10 17:42 ` saeed bishara 2010-11-15 7:00 ` Mike Rapoport 0 siblings, 1 reply; 5+ messages in thread From: saeed bishara @ 2010-11-10 17:42 UTC (permalink / raw) To: linux-arm-kernel On Thu, Oct 28, 2010 at 3:24 PM, Mike Rapoport <mike@compulab.co.il> wrote: > Signed-off-by: Mike Rapoport <mike@compulab.co.il> > --- > ?arch/arm/mach-dove/Makefile ? ? ? ? ? ?| ? ?2 +- > ?arch/arm/mach-dove/include/mach/dove.h | ? ?8 +- > ?arch/arm/mach-dove/mpp.c ? ? ? ? ? ? ? | ?215 +++++++++++++++++++++++++++++++ > ?arch/arm/mach-dove/mpp.h ? ? ? ? ? ? ? | ?220 ++++++++++++++++++++++++++++++++ > ?4 files changed, 443 insertions(+), 2 deletions(-) > ?create mode 100644 arch/arm/mach-dove/mpp.c > ?create mode 100644 arch/arm/mach-dove/mpp.h > > diff --git a/arch/arm/mach-dove/Makefile b/arch/arm/mach-dove/Makefile > index 7ab3be5..1515f61 100644 > --- a/arch/arm/mach-dove/Makefile > +++ b/arch/arm/mach-dove/Makefile > @@ -1,3 +1,3 @@ > -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 > 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..2857d4b > --- /dev/null > +++ b/arch/arm/mach-dove/mpp.c > @@ -0,0 +1,215 @@ > +/* > + * 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))); please fix checkpatch warning: WARNING: printk() should include KERN_ facility level > + ? ? ? printk("\n"); > + > + ? ? ? pr_debug("PMU_SIG_CTRL regs:"); > + ? ? ? for (i = 0; i < PMU_SIG_REGS; i++) > + ? ? ? ? ? ? ? printk(" %08x", readl(PMU_SIG_CTRL(i))); and here > + ? ? ? 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(); > + > + ? ? ? while (*mpp_list != MPP_END) { > + ? ? ? ? ? ? ? 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); > + ? ? ? ? ? ? ? ? ? ? ? goto next_pin; please use for loop and remove the goto. > + ? ? ? ? ? ? ? } > + > + ? ? ? ? ? ? ? if (*mpp_list & MPP_NFC_MASK) { > + ? ? ? ? ? ? ? ? ? ? ? dove_mpp_cfg_nfc(sel); > + ? ? ? ? ? ? ? ? ? ? ? goto next_pin; > + ? ? ? ? ? ? ? } > + > + ? ? ? ? ? ? ? if (*mpp_list & MPP_AU1_MASK) { > + ? ? ? ? ? ? ? ? ? ? ? dove_mpp_cfg_au1(sel); > + ? ? ? ? ? ? ? ? ? ? ? goto next_pin; > + ? ? ? ? ? ? ? } > + > + ? ? ? ? ? ? ? if (*mpp_list & MPP_GRP_MASK) { > + ? ? ? ? ? ? ? ? ? ? ? dove_mpp_conf_grp(num, sel, &mpp_ctrl[3]); > + ? ? ? ? ? ? ? ? ? ? ? goto next_pin; > + ? ? ? ? ? ? ? } > + > + ? ? ? ? ? ? ? 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); > + > +next_pin: > + ? ? ? ? ? ? ? mpp_list++; > + ? ? ? } > + > + ? ? ? 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 */ > -- > 1.7.3.1 > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel at lists.infradead.org > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel > ^ permalink raw reply [flat|nested] 5+ messages in thread
* [PATCH v3 2/2] [ARM] Dove: add support for multi-purpose pins configuration 2010-11-10 17:42 ` saeed bishara @ 2010-11-15 7:00 ` Mike Rapoport 0 siblings, 0 replies; 5+ messages in thread From: Mike Rapoport @ 2010-11-15 7:00 UTC (permalink / raw) To: linux-arm-kernel On 11/10/10 19:42, saeed bishara wrote: > On Thu, Oct 28, 2010 at 3:24 PM, Mike Rapoport <mike@compulab.co.il> wrote: >> Signed-off-by: Mike Rapoport <mike@compulab.co.il> >> --- >> arch/arm/mach-dove/Makefile | 2 +- >> arch/arm/mach-dove/include/mach/dove.h | 8 +- >> arch/arm/mach-dove/mpp.c | 215 +++++++++++++++++++++++++++++++ >> arch/arm/mach-dove/mpp.h | 220 ++++++++++++++++++++++++++++++++ >> 4 files changed, 443 insertions(+), 2 deletions(-) >> create mode 100644 arch/arm/mach-dove/mpp.c >> create mode 100644 arch/arm/mach-dove/mpp.h >> >> diff --git a/arch/arm/mach-dove/Makefile b/arch/arm/mach-dove/Makefile >> index 7ab3be5..1515f61 100644 >> --- a/arch/arm/mach-dove/Makefile >> +++ b/arch/arm/mach-dove/Makefile >> @@ -1,3 +1,3 @@ >> -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 >> 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 @@ [ snip ] >> + >> +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))); > please fix checkpatch warning: WARNING: printk() should include KERN_ > facility level These printk statements are deliberately left without KERN_ facility level to allow proper output formatting. This way all the registers are printed on the same line which makes easier to parse the debug log. >> + printk("\n"); >> + >> + pr_debug("PMU_SIG_CTRL regs:"); >> + for (i = 0; i < PMU_SIG_REGS; i++) >> + printk(" %08x", readl(PMU_SIG_CTRL(i))); > and here >> + 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) [ snip ] >> +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(); >> + >> + while (*mpp_list != MPP_END) { >> + 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); >> + goto next_pin; > please use for loop and remove the goto. will fix >> + } >> + >> + if (*mpp_list & MPP_NFC_MASK) { >> + dove_mpp_cfg_nfc(sel); >> + goto next_pin; >> + } >> + >> + if (*mpp_list & MPP_AU1_MASK) { >> + dove_mpp_cfg_au1(sel); >> + goto next_pin; >> + } >> + >> + if (*mpp_list & MPP_GRP_MASK) { >> + dove_mpp_conf_grp(num, sel, &mpp_ctrl[3]); >> + goto next_pin; >> + } >> + >> + 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); >> + >> +next_pin: >> + mpp_list++; >> + } >> + >> + 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 */ >> -- >> 1.7.3.1 >> >> >> _______________________________________________ >> linux-arm-kernel mailing list >> linux-arm-kernel at lists.infradead.org >> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel >> -- Sincerely yours, Mike. ^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2010-11-15 7:00 UTC | newest] Thread overview: 5+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2010-10-28 13:24 [PATCH v3 0/2] [ARM] Dove: add support for MPP configuration Mike Rapoport 2010-10-28 13:24 ` [PATCH v3 1/2] [ARM] Dove: add support for GPIOs 64-71 Mike Rapoport 2010-10-28 13:24 ` [PATCH v3 2/2] [ARM] Dove: add support for multi-purpose pins configuration Mike Rapoport 2010-11-10 17:42 ` saeed bishara 2010-11-15 7:00 ` Mike Rapoport
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