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Message-Id: <2PCPRQ.K148UFAEZH8K1@crapouillou.net>
Date: Sat, 17 Apr 2021 10:51:02 +0100
From: Paul Cercueil <paul@...pouillou.net>
To: 周琰杰 <zhouyanjie@...yeetech.com>
Cc: linus.walleij@...aro.org, robh+dt@...nel.org,
linux-gpio@...r.kernel.org, linux-mips@...r.kernel.org,
linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
hns@...delico.com, paul@...die.org.uk, andy.shevchenko@...il.com,
dongsheng.qiu@...enic.com, aric.pzqi@...enic.com,
rick.tyliu@...enic.com, sernia.zhou@...mail.com,
siyanteng@...ngson.cn
Subject: Re: [PATCH v5 09/11] pinctrl: Ingenic: Add pinctrl driver for JZ4755.
Hi Zhou,
Le sam. 17 avril 2021 à 0:14, 周琰杰 (Zhou Yanjie)
<zhouyanjie@...yeetech.com> a écrit :
> Add support for probing the pinctrl-ingenic driver on the
> JZ4755 SoC from Ingenic.
>
> Signed-off-by: 周琰杰 (Zhou Yanjie) <zhouyanjie@...yeetech.com>
> Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
Reviewed-by: Paul Cercueil <paul@...pouillou.net>
Cheers,
-Paul
> ---
>
> Notes:
> v3:
> New patch.
>
> v3->v4:
> 1.Split lcd pins into several groups.
> 2.Drop "lcd-no-pins" which is pointless.
>
> v4->v5:
> No change.
>
> drivers/pinctrl/pinctrl-ingenic.c | 139
> ++++++++++++++++++++++++++++++++++++++
> 1 file changed, 139 insertions(+)
>
> diff --git a/drivers/pinctrl/pinctrl-ingenic.c
> b/drivers/pinctrl/pinctrl-ingenic.c
> index 02fe3bf..3b649fb 100644
> --- a/drivers/pinctrl/pinctrl-ingenic.c
> +++ b/drivers/pinctrl/pinctrl-ingenic.c
> @@ -86,6 +86,7 @@ enum jz_version {
> ID_JZ4740,
> ID_JZ4725B,
> ID_JZ4750,
> + ID_JZ4755,
> ID_JZ4760,
> ID_JZ4770,
> ID_JZ4780,
> @@ -562,6 +563,138 @@ static const struct ingenic_chip_info
> jz4750_chip_info = {
> .pull_downs = jz4750_pull_downs,
> };
>
> +static const u32 jz4755_pull_ups[6] = {
> + 0xffffffff, 0xffffffff, 0x0fffffff, 0xffffffff, 0x33dc3fff,
> 0x0000fc00,
> +};
> +
> +static const u32 jz4755_pull_downs[6] = {
> + 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
> 0x00000000,
> +};
> +
> +static int jz4755_uart0_data_pins[] = { 0x7c, 0x7d, };
> +static int jz4755_uart0_hwflow_pins[] = { 0x7e, 0x7f, };
> +static int jz4755_uart1_data_pins[] = { 0x97, 0x99, };
> +static int jz4755_uart2_data_pins[] = { 0x9f, };
> +static int jz4755_mmc0_1bit_pins[] = { 0x2f, 0x50, 0x5c, };
> +static int jz4755_mmc0_4bit_pins[] = { 0x5d, 0x5b, 0x51, };
> +static int jz4755_mmc1_1bit_pins[] = { 0x3a, 0x3d, 0x3c, };
> +static int jz4755_mmc1_4bit_pins[] = { 0x3b, 0x3e, 0x3f, };
> +static int jz4755_i2c_pins[] = { 0x8c, 0x8d, };
> +static int jz4755_cim_pins[] = {
> + 0x89, 0x8b, 0x8a, 0x88,
> + 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
> +};
> +static int jz4755_lcd_8bit_pins[] = {
> + 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
> + 0x72, 0x73, 0x74,
> +};
> +static int jz4755_lcd_16bit_pins[] = {
> + 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f,
> +};
> +static int jz4755_lcd_18bit_pins[] = { 0x70, 0x71, };
> +static int jz4755_lcd_24bit_pins[] = { 0x76, 0x77, 0x78, 0x79, 0x7a,
> 0x7b, };
> +static int jz4755_lcd_special_pins[] = { 0x76, 0x77, 0x78, 0x79, };
> +static int jz4755_lcd_generic_pins[] = { 0x75, };
> +static int jz4755_nand_cs1_pins[] = { 0x55, };
> +static int jz4755_nand_cs2_pins[] = { 0x56, };
> +static int jz4755_nand_cs3_pins[] = { 0x57, };
> +static int jz4755_nand_cs4_pins[] = { 0x58, };
> +static int jz4755_nand_fre_fwe_pins[] = { 0x5c, 0x5d, };
> +static int jz4755_pwm_pwm0_pins[] = { 0x94, };
> +static int jz4755_pwm_pwm1_pins[] = { 0xab, };
> +static int jz4755_pwm_pwm2_pins[] = { 0x96, };
> +static int jz4755_pwm_pwm3_pins[] = { 0x97, };
> +static int jz4755_pwm_pwm4_pins[] = { 0x98, };
> +static int jz4755_pwm_pwm5_pins[] = { 0x99, };
> +
> +static u8 jz4755_mmc0_1bit_funcs[] = { 2, 2, 1, };
> +static u8 jz4755_mmc0_4bit_funcs[] = { 1, 0, 1, };
> +static u8 jz4755_lcd_24bit_funcs[] = { 1, 1, 1, 1, 0, 0, };
> +
> +static const struct group_desc jz4755_groups[] = {
> + INGENIC_PIN_GROUP("uart0-data", jz4755_uart0_data, 0),
> + INGENIC_PIN_GROUP("uart0-hwflow", jz4755_uart0_hwflow, 0),
> + INGENIC_PIN_GROUP("uart1-data", jz4755_uart1_data, 0),
> + INGENIC_PIN_GROUP("uart2-data", jz4755_uart2_data, 1),
> + INGENIC_PIN_GROUP_FUNCS("mmc0-1bit", jz4755_mmc0_1bit,
> + jz4755_mmc0_1bit_funcs),
> + INGENIC_PIN_GROUP_FUNCS("mmc0-4bit", jz4755_mmc0_4bit,
> + jz4755_mmc0_4bit_funcs),
> + INGENIC_PIN_GROUP("mmc1-1bit", jz4755_mmc1_1bit, 1),
> + INGENIC_PIN_GROUP("mmc1-4bit", jz4755_mmc1_4bit, 1),
> + INGENIC_PIN_GROUP("i2c-data", jz4755_i2c, 0),
> + INGENIC_PIN_GROUP("cim-data", jz4755_cim, 0),
> + INGENIC_PIN_GROUP("lcd-8bit", jz4755_lcd_8bit, 0),
> + INGENIC_PIN_GROUP("lcd-16bit", jz4755_lcd_16bit, 0),
> + INGENIC_PIN_GROUP("lcd-18bit", jz4755_lcd_18bit, 0),
> + INGENIC_PIN_GROUP_FUNCS("lcd-24bit", jz4755_lcd_24bit,
> + jz4755_lcd_24bit_funcs),
> + INGENIC_PIN_GROUP("lcd-special", jz4755_lcd_special, 0),
> + INGENIC_PIN_GROUP("lcd-generic", jz4755_lcd_generic, 0),
> + INGENIC_PIN_GROUP("nand-cs1", jz4755_nand_cs1, 0),
> + INGENIC_PIN_GROUP("nand-cs2", jz4755_nand_cs2, 0),
> + INGENIC_PIN_GROUP("nand-cs3", jz4755_nand_cs3, 0),
> + INGENIC_PIN_GROUP("nand-cs4", jz4755_nand_cs4, 0),
> + INGENIC_PIN_GROUP("nand-fre-fwe", jz4755_nand_fre_fwe, 0),
> + INGENIC_PIN_GROUP("pwm0", jz4755_pwm_pwm0, 0),
> + INGENIC_PIN_GROUP("pwm1", jz4755_pwm_pwm1, 1),
> + INGENIC_PIN_GROUP("pwm2", jz4755_pwm_pwm2, 0),
> + INGENIC_PIN_GROUP("pwm3", jz4755_pwm_pwm3, 0),
> + INGENIC_PIN_GROUP("pwm4", jz4755_pwm_pwm4, 0),
> + INGENIC_PIN_GROUP("pwm5", jz4755_pwm_pwm5, 0),
> +};
> +
> +static const char *jz4755_uart0_groups[] = { "uart0-data",
> "uart0-hwflow", };
> +static const char *jz4755_uart1_groups[] = { "uart1-data", };
> +static const char *jz4755_uart2_groups[] = { "uart2-data", };
> +static const char *jz4755_mmc0_groups[] = { "mmc0-1bit",
> "mmc0-4bit", };
> +static const char *jz4755_mmc1_groups[] = { "mmc0-1bit",
> "mmc0-4bit", };
> +static const char *jz4755_i2c_groups[] = { "i2c-data", };
> +static const char *jz4755_cim_groups[] = { "cim-data", };
> +static const char *jz4755_lcd_groups[] = {
> + "lcd-8bit", "lcd-16bit", "lcd-18bit", "lcd-24bit",
> + "lcd-special", "lcd-generic",
> +};
> +static const char *jz4755_nand_groups[] = {
> + "nand-cs1", "nand-cs2", "nand-cs3", "nand-cs4", "nand-fre-fwe",
> +};
> +static const char *jz4755_pwm0_groups[] = { "pwm0", };
> +static const char *jz4755_pwm1_groups[] = { "pwm1", };
> +static const char *jz4755_pwm2_groups[] = { "pwm2", };
> +static const char *jz4755_pwm3_groups[] = { "pwm3", };
> +static const char *jz4755_pwm4_groups[] = { "pwm4", };
> +static const char *jz4755_pwm5_groups[] = { "pwm5", };
> +
> +static const struct function_desc jz4755_functions[] = {
> + { "uart0", jz4755_uart0_groups, ARRAY_SIZE(jz4755_uart0_groups), },
> + { "uart1", jz4755_uart1_groups, ARRAY_SIZE(jz4755_uart1_groups), },
> + { "uart2", jz4755_uart2_groups, ARRAY_SIZE(jz4755_uart2_groups), },
> + { "mmc0", jz4755_mmc0_groups, ARRAY_SIZE(jz4755_mmc0_groups), },
> + { "mmc1", jz4755_mmc1_groups, ARRAY_SIZE(jz4755_mmc1_groups), },
> + { "i2c", jz4755_i2c_groups, ARRAY_SIZE(jz4755_i2c_groups), },
> + { "cim", jz4755_cim_groups, ARRAY_SIZE(jz4755_cim_groups), },
> + { "lcd", jz4755_lcd_groups, ARRAY_SIZE(jz4755_lcd_groups), },
> + { "nand", jz4755_nand_groups, ARRAY_SIZE(jz4755_nand_groups), },
> + { "pwm0", jz4755_pwm0_groups, ARRAY_SIZE(jz4755_pwm0_groups), },
> + { "pwm1", jz4755_pwm1_groups, ARRAY_SIZE(jz4755_pwm1_groups), },
> + { "pwm2", jz4755_pwm2_groups, ARRAY_SIZE(jz4755_pwm2_groups), },
> + { "pwm3", jz4755_pwm3_groups, ARRAY_SIZE(jz4755_pwm3_groups), },
> + { "pwm4", jz4755_pwm4_groups, ARRAY_SIZE(jz4755_pwm4_groups), },
> + { "pwm5", jz4755_pwm5_groups, ARRAY_SIZE(jz4755_pwm5_groups), },
> +};
> +
> +static const struct ingenic_chip_info jz4755_chip_info = {
> + .num_chips = 6,
> + .reg_offset = 0x100,
> + .version = ID_JZ4755,
> + .groups = jz4755_groups,
> + .num_groups = ARRAY_SIZE(jz4755_groups),
> + .functions = jz4755_functions,
> + .num_functions = ARRAY_SIZE(jz4755_functions),
> + .pull_ups = jz4755_pull_ups,
> + .pull_downs = jz4755_pull_downs,
> +};
> +
> static const u32 jz4760_pull_ups[6] = {
> 0xffffffff, 0xfffcf3ff, 0xffffffff, 0xffffcfff, 0xfffffb7c,
> 0xfffff00f,
> };
> @@ -2670,6 +2803,7 @@ static const struct of_device_id
> ingenic_gpio_of_match[] __initconst = {
> { .compatible = "ingenic,jz4740-gpio", },
> { .compatible = "ingenic,jz4725b-gpio", },
> { .compatible = "ingenic,jz4750-gpio", },
> + { .compatible = "ingenic,jz4755-gpio", },
> { .compatible = "ingenic,jz4760-gpio", },
> { .compatible = "ingenic,jz4770-gpio", },
> { .compatible = "ingenic,jz4780-gpio", },
> @@ -2877,6 +3011,11 @@ static const struct of_device_id
> ingenic_pinctrl_of_match[] = {
> .compatible = "ingenic,jz4750-pinctrl",
> .data = IF_ENABLED(CONFIG_MACH_JZ4750, &jz4750_chip_info)
> },
> + {
> + .compatible = "ingenic,jz4755-pinctrl",
> + .data = IF_ENABLED(CONFIG_MACH_JZ4755, &jz4755_chip_info)
> + },
> + {
> .compatible = "ingenic,jz4760-pinctrl",
> .data = IF_ENABLED(CONFIG_MACH_JZ4760, &jz4760_chip_info)
> },
> --
> 2.7.4
>
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