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gpio: msc313: Add support for SSD201 and SSD202D 

This adds GPIO support for the SSD201 and SSD202D chips.

Signed-off-by: Daniel Palmer <daniel@0x0f.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
This commit is contained in:
Daniel Palmer 2021-12-13 18:40:35 +09:00 committed by Bartosz Golaszewski
parent bef4460b85
commit 572006bce3
1 changed files with 261 additions and 0 deletions
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261
drivers/gpio/gpio-msc313.c
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@ -221,6 +221,263 @@ static const unsigned int msc313_offsets[] = {
};
MSC313_GPIO_CHIPDATA(msc313);
/*
* Unlike the msc313(e) the ssd20xd have a bunch of pins
* that are actually called gpio probably because they
* have no dedicated function.
*/
#define SSD20XD_PINNAME_GPIO0 "gpio0"
#define SSD20XD_PINNAME_GPIO1 "gpio1"
#define SSD20XD_PINNAME_GPIO2 "gpio2"
#define SSD20XD_PINNAME_GPIO3 "gpio3"
#define SSD20XD_PINNAME_GPIO4 "gpio4"
#define SSD20XD_PINNAME_GPIO5 "gpio5"
#define SSD20XD_PINNAME_GPIO6 "gpio6"
#define SSD20XD_PINNAME_GPIO7 "gpio7"
#define SSD20XD_PINNAME_GPIO10 "gpio10"
#define SSD20XD_PINNAME_GPIO11 "gpio11"
#define SSD20XD_PINNAME_GPIO12 "gpio12"
#define SSD20XD_PINNAME_GPIO13 "gpio13"
#define SSD20XD_PINNAME_GPIO14 "gpio14"
#define SSD20XD_PINNAME_GPIO85 "gpio85"
#define SSD20XD_PINNAME_GPIO86 "gpio86"
#define SSD20XD_PINNAME_GPIO90 "gpio90"
#define SSD20XD_GPIO_NAMES SSD20XD_PINNAME_GPIO0, \
SSD20XD_PINNAME_GPIO1, \
SSD20XD_PINNAME_GPIO2, \
SSD20XD_PINNAME_GPIO3, \
SSD20XD_PINNAME_GPIO4, \
SSD20XD_PINNAME_GPIO5, \
SSD20XD_PINNAME_GPIO6, \
SSD20XD_PINNAME_GPIO7, \
SSD20XD_PINNAME_GPIO10, \
SSD20XD_PINNAME_GPIO11, \
SSD20XD_PINNAME_GPIO12, \
SSD20XD_PINNAME_GPIO13, \
SSD20XD_PINNAME_GPIO14, \
SSD20XD_PINNAME_GPIO85, \
SSD20XD_PINNAME_GPIO86, \
SSD20XD_PINNAME_GPIO90
#define SSD20XD_GPIO_OFF_GPIO0 0x0
#define SSD20XD_GPIO_OFF_GPIO1 0x4
#define SSD20XD_GPIO_OFF_GPIO2 0x8
#define SSD20XD_GPIO_OFF_GPIO3 0xc
#define SSD20XD_GPIO_OFF_GPIO4 0x10
#define SSD20XD_GPIO_OFF_GPIO5 0x14
#define SSD20XD_GPIO_OFF_GPIO6 0x18
#define SSD20XD_GPIO_OFF_GPIO7 0x1c
#define SSD20XD_GPIO_OFF_GPIO10 0x28
#define SSD20XD_GPIO_OFF_GPIO11 0x2c
#define SSD20XD_GPIO_OFF_GPIO12 0x30
#define SSD20XD_GPIO_OFF_GPIO13 0x34
#define SSD20XD_GPIO_OFF_GPIO14 0x38
#define SSD20XD_GPIO_OFF_GPIO85 0x100
#define SSD20XD_GPIO_OFF_GPIO86 0x104
#define SSD20XD_GPIO_OFF_GPIO90 0x114
#define SSD20XD_GPIO_OFFSETS SSD20XD_GPIO_OFF_GPIO0, \
SSD20XD_GPIO_OFF_GPIO1, \
SSD20XD_GPIO_OFF_GPIO2, \
SSD20XD_GPIO_OFF_GPIO3, \
SSD20XD_GPIO_OFF_GPIO4, \
SSD20XD_GPIO_OFF_GPIO5, \
SSD20XD_GPIO_OFF_GPIO6, \
SSD20XD_GPIO_OFF_GPIO7, \
SSD20XD_GPIO_OFF_GPIO10, \
SSD20XD_GPIO_OFF_GPIO11, \
SSD20XD_GPIO_OFF_GPIO12, \
SSD20XD_GPIO_OFF_GPIO13, \
SSD20XD_GPIO_OFF_GPIO14, \
SSD20XD_GPIO_OFF_GPIO85, \
SSD20XD_GPIO_OFF_GPIO86, \
SSD20XD_GPIO_OFF_GPIO90
/* "ttl" pins lcd interface pins */
#define SSD20XD_PINNAME_TTL0 "ttl0"
#define SSD20XD_PINNAME_TTL1 "ttl1"
#define SSD20XD_PINNAME_TTL2 "ttl2"
#define SSD20XD_PINNAME_TTL3 "ttl3"
#define SSD20XD_PINNAME_TTL4 "ttl4"
#define SSD20XD_PINNAME_TTL5 "ttl5"
#define SSD20XD_PINNAME_TTL6 "ttl6"
#define SSD20XD_PINNAME_TTL7 "ttl7"
#define SSD20XD_PINNAME_TTL8 "ttl8"
#define SSD20XD_PINNAME_TTL9 "ttl9"
#define SSD20XD_PINNAME_TTL10 "ttl10"
#define SSD20XD_PINNAME_TTL11 "ttl11"
#define SSD20XD_PINNAME_TTL12 "ttl12"
#define SSD20XD_PINNAME_TTL13 "ttl13"
#define SSD20XD_PINNAME_TTL14 "ttl14"
#define SSD20XD_PINNAME_TTL15 "ttl15"
#define SSD20XD_PINNAME_TTL16 "ttl16"
#define SSD20XD_PINNAME_TTL17 "ttl17"
#define SSD20XD_PINNAME_TTL18 "ttl18"
#define SSD20XD_PINNAME_TTL19 "ttl19"
#define SSD20XD_PINNAME_TTL20 "ttl20"
#define SSD20XD_PINNAME_TTL21 "ttl21"
#define SSD20XD_PINNAME_TTL22 "ttl22"
#define SSD20XD_PINNAME_TTL23 "ttl23"
#define SSD20XD_PINNAME_TTL24 "ttl24"
#define SSD20XD_PINNAME_TTL25 "ttl25"
#define SSD20XD_PINNAME_TTL26 "ttl26"
#define SSD20XD_PINNAME_TTL27 "ttl27"
#define SSD20XD_TTL_PINNAMES SSD20XD_PINNAME_TTL0, \
SSD20XD_PINNAME_TTL1, \
SSD20XD_PINNAME_TTL2, \
SSD20XD_PINNAME_TTL3, \
SSD20XD_PINNAME_TTL4, \
SSD20XD_PINNAME_TTL5, \
SSD20XD_PINNAME_TTL6, \
SSD20XD_PINNAME_TTL7, \
SSD20XD_PINNAME_TTL8, \
SSD20XD_PINNAME_TTL9, \
SSD20XD_PINNAME_TTL10, \
SSD20XD_PINNAME_TTL11, \
SSD20XD_PINNAME_TTL12, \
SSD20XD_PINNAME_TTL13, \
SSD20XD_PINNAME_TTL14, \
SSD20XD_PINNAME_TTL15, \
SSD20XD_PINNAME_TTL16, \
SSD20XD_PINNAME_TTL17, \
SSD20XD_PINNAME_TTL18, \
SSD20XD_PINNAME_TTL19, \
SSD20XD_PINNAME_TTL20, \
SSD20XD_PINNAME_TTL21, \
SSD20XD_PINNAME_TTL22, \
SSD20XD_PINNAME_TTL23, \
SSD20XD_PINNAME_TTL24, \
SSD20XD_PINNAME_TTL25, \
SSD20XD_PINNAME_TTL26, \
SSD20XD_PINNAME_TTL27
#define SSD20XD_TTL_OFFSET_TTL0 0x80
#define SSD20XD_TTL_OFFSET_TTL1 0x84
#define SSD20XD_TTL_OFFSET_TTL2 0x88
#define SSD20XD_TTL_OFFSET_TTL3 0x8c
#define SSD20XD_TTL_OFFSET_TTL4 0x90
#define SSD20XD_TTL_OFFSET_TTL5 0x94
#define SSD20XD_TTL_OFFSET_TTL6 0x98
#define SSD20XD_TTL_OFFSET_TTL7 0x9c
#define SSD20XD_TTL_OFFSET_TTL8 0xa0
#define SSD20XD_TTL_OFFSET_TTL9 0xa4
#define SSD20XD_TTL_OFFSET_TTL10 0xa8
#define SSD20XD_TTL_OFFSET_TTL11 0xac
#define SSD20XD_TTL_OFFSET_TTL12 0xb0
#define SSD20XD_TTL_OFFSET_TTL13 0xb4
#define SSD20XD_TTL_OFFSET_TTL14 0xb8
#define SSD20XD_TTL_OFFSET_TTL15 0xbc
#define SSD20XD_TTL_OFFSET_TTL16 0xc0
#define SSD20XD_TTL_OFFSET_TTL17 0xc4
#define SSD20XD_TTL_OFFSET_TTL18 0xc8
#define SSD20XD_TTL_OFFSET_TTL19 0xcc
#define SSD20XD_TTL_OFFSET_TTL20 0xd0
#define SSD20XD_TTL_OFFSET_TTL21 0xd4
#define SSD20XD_TTL_OFFSET_TTL22 0xd8
#define SSD20XD_TTL_OFFSET_TTL23 0xdc
#define SSD20XD_TTL_OFFSET_TTL24 0xe0
#define SSD20XD_TTL_OFFSET_TTL25 0xe4
#define SSD20XD_TTL_OFFSET_TTL26 0xe8
#define SSD20XD_TTL_OFFSET_TTL27 0xec
#define SSD20XD_TTL_OFFSETS SSD20XD_TTL_OFFSET_TTL0, \
SSD20XD_TTL_OFFSET_TTL1, \
SSD20XD_TTL_OFFSET_TTL2, \
SSD20XD_TTL_OFFSET_TTL3, \
SSD20XD_TTL_OFFSET_TTL4, \
SSD20XD_TTL_OFFSET_TTL5, \
SSD20XD_TTL_OFFSET_TTL6, \
SSD20XD_TTL_OFFSET_TTL7, \
SSD20XD_TTL_OFFSET_TTL8, \
SSD20XD_TTL_OFFSET_TTL9, \
SSD20XD_TTL_OFFSET_TTL10, \
SSD20XD_TTL_OFFSET_TTL11, \
SSD20XD_TTL_OFFSET_TTL12, \
SSD20XD_TTL_OFFSET_TTL13, \
SSD20XD_TTL_OFFSET_TTL14, \
SSD20XD_TTL_OFFSET_TTL15, \
SSD20XD_TTL_OFFSET_TTL16, \
SSD20XD_TTL_OFFSET_TTL17, \
SSD20XD_TTL_OFFSET_TTL18, \
SSD20XD_TTL_OFFSET_TTL19, \
SSD20XD_TTL_OFFSET_TTL20, \
SSD20XD_TTL_OFFSET_TTL21, \
SSD20XD_TTL_OFFSET_TTL22, \
SSD20XD_TTL_OFFSET_TTL23, \
SSD20XD_TTL_OFFSET_TTL24, \
SSD20XD_TTL_OFFSET_TTL25, \
SSD20XD_TTL_OFFSET_TTL26, \
SSD20XD_TTL_OFFSET_TTL27
/* On the ssd20xd the two normal uarts have dedicated pins */
#define SSD20XD_PINNAME_UART0_RX "uart0_rx"
#define SSD20XD_PINNAME_UART0_TX "uart0_tx"
#define SSD20XD_UART0_NAMES \
SSD20XD_PINNAME_UART0_RX, \
SSD20XD_PINNAME_UART0_TX
#define SSD20XD_PINNAME_UART1_RX "uart1_rx"
#define SSD20XD_PINNAME_UART1_TX "uart1_tx"
#define SSD20XD_UART1_NAMES \
SSD20XD_PINNAME_UART1_RX, \
SSD20XD_PINNAME_UART1_TX
#define SSD20XD_OFF_UART0_RX 0x60
#define SSD20XD_OFF_UART0_TX 0x64
#define SSD20XD_UART0_OFFSETS \
SSD20XD_OFF_UART0_RX, \
SSD20XD_OFF_UART0_TX
#define SSD20XD_OFF_UART1_RX 0x68
#define SSD20XD_OFF_UART1_TX 0x6c
#define SSD20XD_UART1_OFFSETS \
SSD20XD_OFF_UART1_RX, \
SSD20XD_OFF_UART1_TX
/*
* ssd20x has the same pin names but different ordering
* of the registers that control the gpio.
*/
#define SSD20XD_OFF_SD_D0 0x140
#define SSD20XD_OFF_SD_D1 0x144
#define SSD20XD_OFF_SD_D2 0x148
#define SSD20XD_OFF_SD_D3 0x14c
#define SSD20XD_OFF_SD_CMD 0x150
#define SSD20XD_OFF_SD_CLK 0x154
#define SSD20XD_SD_OFFSETS SSD20XD_OFF_SD_CLK, \
SSD20XD_OFF_SD_CMD, \
SSD20XD_OFF_SD_D0, \
SSD20XD_OFF_SD_D1, \
SSD20XD_OFF_SD_D2, \
SSD20XD_OFF_SD_D3
static const char * const ssd20xd_names[] = {
FUART_NAMES,
SD_NAMES,
SSD20XD_UART0_NAMES,
SSD20XD_UART1_NAMES,
SSD20XD_TTL_PINNAMES,
SSD20XD_GPIO_NAMES,
};
static const unsigned int ssd20xd_offsets[] = {
FUART_OFFSETS,
SSD20XD_SD_OFFSETS,
SSD20XD_UART0_OFFSETS,
SSD20XD_UART1_OFFSETS,
SSD20XD_TTL_OFFSETS,
SSD20XD_GPIO_OFFSETS,
};
MSC313_GPIO_CHIPDATA(ssd20xd);
#endif
struct msc313_gpio {
@ -412,6 +669,10 @@ static const struct of_device_id msc313_gpio_of_match[] = {
.compatible = "mstar,msc313-gpio",
.data = &msc313_data,
},
{
.compatible = "sstar,ssd20xd-gpio",
.data = &ssd20xd_data,
},
#endif
{ }
};