Re: [PATCH] pinctrl: ingenic: Improve JZ4760 support

["H. Nikolaus Schaller" <hns@xxxxxxxxxxxxx>]

> Am 20.01.2021 um 12:07 schrieb Paul Cercueil <paul@xxxxxxxxxxxxxxx>:
> 
> - Add otg function and otg-vbus group.
> 
> - Add lcd-8bit, lcd-16bit, lcd-18bit, lcd-generic and lcd-special
>  groups. Change the lcd-24bit group so that it only selects the pins
>  that aren't in the lcd-18bit and lcd-generic groups (which breaks
>  Device Tree in theory, but there is none out there for any JZ4760
>  based board, yet). Remove the lcd-no-pins group which is just useless.

Does this mean it is also usless for the other Ingenic SoC?
Background: we are working on jz4730 support and have simply copied it.

> 
> Signed-off-by: Paul Cercueil <paul@xxxxxxxxxxxxxxx>
> ---
> drivers/pinctrl/pinctrl-ingenic.c | 38 +++++++++++++++++++++++--------
> 1 file changed, 28 insertions(+), 10 deletions(-)
> 
> diff --git a/drivers/pinctrl/pinctrl-ingenic.c b/drivers/pinctrl/pinctrl-ingenic.c
> index 76fec77c5b67..f2746125b077 100644
> --- a/drivers/pinctrl/pinctrl-ingenic.c
> +++ b/drivers/pinctrl/pinctrl-ingenic.c
> @@ -376,12 +376,21 @@ static int jz4760_cim_pins[] = {
> 	0x26, 0x27, 0x28, 0x29,
> 	0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, 0x30, 0x31,
> };
> +static int jz4760_lcd_8bit_pins[] = {
> +	0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48, 0x4c,
> +	0x4d, 0x52, 0x53,
> +};
> +static int jz4760_lcd_16bit_pins[] = {
> +	0x4e, 0x4f, 0x50, 0x51, 0x56, 0x57, 0x58, 0x59,
> +};
> +static int jz4760_lcd_18bit_pins[] = {
> +	0x5a, 0x5b,
> +};
> static int jz4760_lcd_24bit_pins[] = {
> -	0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
> -	0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f,
> -	0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57,
> -	0x58, 0x59, 0x5a, 0x5b,
> +	0x40, 0x41, 0x4a, 0x4b, 0x54, 0x55,
> };
> +static int jz4760_lcd_special_pins[] = { 0x40, 0x41, 0x4a, 0x54 };
> +static int jz4760_lcd_generic_pins[] = { 0x49, };
> static int jz4760_pwm_pwm0_pins[] = { 0x80, };
> static int jz4760_pwm_pwm1_pins[] = { 0x81, };
> static int jz4760_pwm_pwm2_pins[] = { 0x82, };
> @@ -390,6 +399,7 @@ static int jz4760_pwm_pwm4_pins[] = { 0x84, };
> static int jz4760_pwm_pwm5_pins[] = { 0x85, };
> static int jz4760_pwm_pwm6_pins[] = { 0x6a, };
> static int jz4760_pwm_pwm7_pins[] = { 0x6b, };
> +static int jz4760_otg_pins[] = { 0x8a, };
> 
> static u8 jz4760_uart3_data_funcs[] = { 0, 1, };
> static u8 jz4760_mmc0_1bit_a_funcs[] = { 1, 1, 0, };
> @@ -436,8 +446,12 @@ static const struct group_desc jz4760_groups[] = {
> 	INGENIC_PIN_GROUP("i2c0-data", jz4760_i2c0, 0),
> 	INGENIC_PIN_GROUP("i2c1-data", jz4760_i2c1, 0),
> 	INGENIC_PIN_GROUP("cim-data", jz4760_cim, 0),
> +	INGENIC_PIN_GROUP("lcd-8bit", jz4760_lcd_8bit, 0),
> +	INGENIC_PIN_GROUP("lcd-16bit", jz4760_lcd_16bit, 0),
> +	INGENIC_PIN_GROUP("lcd-18bit", jz4760_lcd_18bit, 0),
> 	INGENIC_PIN_GROUP("lcd-24bit", jz4760_lcd_24bit, 0),
> -	{ "lcd-no-pins", },
> +	INGENIC_PIN_GROUP("lcd-generic", jz4760_lcd_generic, 0),
> +	INGENIC_PIN_GROUP("lcd-special", jz4760_lcd_special, 1),
> 	INGENIC_PIN_GROUP("pwm0", jz4760_pwm_pwm0, 0),
> 	INGENIC_PIN_GROUP("pwm1", jz4760_pwm_pwm1, 0),
> 	INGENIC_PIN_GROUP("pwm2", jz4760_pwm_pwm2, 0),
> @@ -446,6 +460,7 @@ static const struct group_desc jz4760_groups[] = {
> 	INGENIC_PIN_GROUP("pwm5", jz4760_pwm_pwm5, 0),
> 	INGENIC_PIN_GROUP("pwm6", jz4760_pwm_pwm6, 0),
> 	INGENIC_PIN_GROUP("pwm7", jz4760_pwm_pwm7, 0),
> +	INGENIC_PIN_GROUP("otg-vbus", jz4760_otg, 0),
> };
> 
> static const char *jz4760_uart0_groups[] = { "uart0-data", "uart0-hwflow", };
> @@ -477,7 +492,10 @@ static const char *jz4760_cs6_groups[] = { "nemc-cs6", };
> static const char *jz4760_i2c0_groups[] = { "i2c0-data", };
> static const char *jz4760_i2c1_groups[] = { "i2c1-data", };
> static const char *jz4760_cim_groups[] = { "cim-data", };
> -static const char *jz4760_lcd_groups[] = { "lcd-24bit", "lcd-no-pins", };
> +static const char *jz4760_lcd_groups[] = {
> +	"lcd-8bit", "lcd-16bit", "lcd-18bit", "lcd-24bit",
> +	"lcd-special", "lcd-generic",
> +};
> static const char *jz4760_pwm0_groups[] = { "pwm0", };
> static const char *jz4760_pwm1_groups[] = { "pwm1", };
> static const char *jz4760_pwm2_groups[] = { "pwm2", };
> @@ -486,6 +504,7 @@ static const char *jz4760_pwm4_groups[] = { "pwm4", };
> static const char *jz4760_pwm5_groups[] = { "pwm5", };
> static const char *jz4760_pwm6_groups[] = { "pwm6", };
> static const char *jz4760_pwm7_groups[] = { "pwm7", };
> +static const char *jz4760_otg_groups[] = { "otg-vbus", };
> 
> static const struct function_desc jz4760_functions[] = {
> 	{ "uart0", jz4760_uart0_groups, ARRAY_SIZE(jz4760_uart0_groups), },
> @@ -514,6 +533,7 @@ static const struct function_desc jz4760_functions[] = {
> 	{ "pwm5", jz4760_pwm5_groups, ARRAY_SIZE(jz4760_pwm5_groups), },
> 	{ "pwm6", jz4760_pwm6_groups, ARRAY_SIZE(jz4760_pwm6_groups), },
> 	{ "pwm7", jz4760_pwm7_groups, ARRAY_SIZE(jz4760_pwm7_groups), },
> +	{ "otg", jz4760_otg_groups, ARRAY_SIZE(jz4760_otg_groups), },
> };
> 
> static const struct ingenic_chip_info jz4760_chip_info = {
> @@ -648,7 +668,6 @@ static int jz4770_mac_rmii_pins[] = {
> 	0xa9, 0xab, 0xaa, 0xac, 0xa5, 0xa4, 0xad, 0xae, 0xa6, 0xa8,
> };
> static int jz4770_mac_mii_pins[] = { 0xa7, 0xaf, };
> -static int jz4770_otg_pins[] = { 0x8a, };
> 
> static const struct group_desc jz4770_groups[] = {
> 	INGENIC_PIN_GROUP("uart0-data", jz4770_uart0_data, 0),
> @@ -747,7 +766,7 @@ static const struct group_desc jz4770_groups[] = {
> 	INGENIC_PIN_GROUP("pwm7", jz4770_pwm_pwm7, 0),
> 	INGENIC_PIN_GROUP("mac-rmii", jz4770_mac_rmii, 0),
> 	INGENIC_PIN_GROUP("mac-mii", jz4770_mac_mii, 0),
> -	INGENIC_PIN_GROUP("otg-vbus", jz4770_otg, 0),
> +	INGENIC_PIN_GROUP("otg-vbus", jz4760_otg, 0),
> };
> 
> static const char *jz4770_uart0_groups[] = { "uart0-data", "uart0-hwflow", };
> @@ -808,7 +827,6 @@ static const char *jz4770_pwm5_groups[] = { "pwm5", };
> static const char *jz4770_pwm6_groups[] = { "pwm6", };
> static const char *jz4770_pwm7_groups[] = { "pwm7", };
> static const char *jz4770_mac_groups[] = { "mac-rmii", "mac-mii", };
> -static const char *jz4770_otg_groups[] = { "otg-vbus", };
> 
> static const struct function_desc jz4770_functions[] = {
> 	{ "uart0", jz4770_uart0_groups, ARRAY_SIZE(jz4770_uart0_groups), },
> @@ -841,7 +859,7 @@ static const struct function_desc jz4770_functions[] = {
> 	{ "pwm6", jz4770_pwm6_groups, ARRAY_SIZE(jz4770_pwm6_groups), },
> 	{ "pwm7", jz4770_pwm7_groups, ARRAY_SIZE(jz4770_pwm7_groups), },
> 	{ "mac", jz4770_mac_groups, ARRAY_SIZE(jz4770_mac_groups), },
> -	{ "otg", jz4770_otg_groups, ARRAY_SIZE(jz4770_otg_groups), },
> +	{ "otg", jz4760_otg_groups, ARRAY_SIZE(jz4760_otg_groups), },
> };
> 
> static const struct ingenic_chip_info jz4770_chip_info = {
> -- 
> 2.29.2
>