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Le 18/10/2024 à 10:10, Xianwei Zhao via B4 Relay a écrit :
From: Xianwei Zhao <xianwei.zhao@xxxxxxxxxxx>
Add a new pinctrl driver for Amlogic A4 SoCs which share
the same register layout as the previous Amlogic S4.
Signed-off-by: Xianwei Zhao <xianwei.zhao@xxxxxxxxxxx>
---
drivers/pinctrl/meson/Kconfig | 6 +
drivers/pinctrl/meson/Makefile | 1 +
drivers/pinctrl/meson/pinctrl-amlogic-a4.c | 1253
++++++++++++++++++++++++++++
3 files changed, 1260 insertions(+)
Hi,
a few nitpicks below.
...
+
+static struct meson_pmx_group a4_periphs_groups[] = {
I think that struct meson_pmx_group could be const.
(same for a4_aobus_groups above)
+ /* func0 as GPIO */
+ GPIO_GROUP(GPIOE_0),
+ GPIO_GROUP(GPIOE_1),
+
...
+static struct meson_pmx_func a4_periphs_functions[] = {
I think that struct meson_pmx_func could be const.
(a4_aobus_functions above as well)
+ FUNCTION(gpio_periphs),
+ FUNCTION(uart_a),
+ FUNCTION(uart_b),
+ FUNCTION(uart_d),
+ FUNCTION(uart_e),
+ FUNCTION(i2c0),
+ FUNCTION(i2c1),
+ FUNCTION(i2c2),
+ FUNCTION(i2c3),
+ FUNCTION(pwm_a),
+ FUNCTION(pwm_b),
+ FUNCTION(pwm_c),
+ FUNCTION(pwm_d),
+ FUNCTION(pwm_e),
+ FUNCTION(pwm_f),
+ FUNCTION(pwm_g),
+ FUNCTION(pwm_h),
+ FUNCTION(remote_out),
+ FUNCTION(remote_in),
+ FUNCTION(dcon_led),
+ FUNCTION(spinf),
+ FUNCTION(lcd),
+ FUNCTION(jtag_1),
+ FUNCTION(gen_clk),
+ FUNCTION(clk12_24),
+ FUNCTION(emmc),
+ FUNCTION(nand),
+ FUNCTION(spi_a),
+ FUNCTION(spi_b),
+ FUNCTION(pdm),
+ FUNCTION(sdio),
+ FUNCTION(eth),
+ FUNCTION(mic_mute),
+ FUNCTION(mclk),
+ FUNCTION(tdm),
+ FUNCTION(spdif_in),
+ FUNCTION(spdif_out)
+};
+
+static struct meson_bank a4_periphs_banks[] = {
I think that both struct meson_bank could be const.
+ /* name first last irq pullen pull dir out in */
+ BANK_DS("E", GPIOE_0, GPIOE_1, 14, 15,
+ 0x43, 0, 0x44, 0, 0x42, 0, 0x41, 0, 0x40, 0, 0x47,
0),
+ BANK_DS("D", GPIOD_0, GPIOD_15, 16, 31,
+ 0x33, 0, 0x34, 0, 0x32, 0, 0x31, 0, 0x30, 0, 0x37,
0),
+ BANK_DS("B", GPIOB_0, GPIOB_13, 0, 13,
+ 0x63, 0, 0x64, 0, 0x62, 0, 0x61, 0, 0x60, 0, 0x67,
0),
+ BANK_DS("X", GPIOX_0, GPIOX_17, 55, 72,
+ 0x13, 0, 0x14, 0, 0x12, 0, 0x11, 0, 0x10, 0, 0x17,
0),
+ BANK_DS("T", GPIOT_0, GPIOT_22, 32, 54,
+ 0x23, 0, 0x24, 0, 0x22, 0, 0x21, 0, 0x20, 0, 0x27,
0),
+};
+
+static struct meson_bank a4_aobus_banks[] = {
+ BANK_DS("AO", GPIOAO_0, GPIOAO_6, 0, 6,
+ 0x3, 0, 0x4, 0, 0x2, 0, 0x1, 0, 0x0, 0, 0x7,
0),
+ BANK_DS("TEST_N", GPIO_TEST_N, GPIO_TEST_N, 7, 7,
+ 0x13, 0, 0x14, 0, 0x12, 0, 0x11, 0, 0x10, 0, 0x17,
0),
+};
+
+static struct meson_pmx_bank a4_periphs_pmx_banks[] = {
I think that both struct meson_pmx_bank could be const.
+ /* name first lask reg offset */
+ BANK_PMX("E", GPIOE_0, GPIOE_1, 0x12, 0),
+ BANK_PMX("D", GPIOD_0, GPIOD_15, 0x10, 0),
+ BANK_PMX("B", GPIOB_0, GPIOB_13, 0x00, 0),
+ BANK_PMX("X", GPIOX_0, GPIOX_17, 0x03, 0),
+ BANK_PMX("T", GPIOT_0, GPIOT_22, 0x0b, 0),
+};
+
+static struct meson_pmx_bank a4_aobus_pmx_banks[] = {
+ BANK_PMX("AO", GPIOAO_0, GPIOAO_6, 0x00, 0),
+ BANK_PMX("TEST_N", GPIO_TEST_N, GPIO_TEST_N, 0x0, 28),
+};
+
+static struct meson_axg_pmx_data a4_periphs_pmx_banks_data = {
I think that both struct meson_axg_pmx_data could be const.
+ .pmx_banks = a4_periphs_pmx_banks,
+ .num_pmx_banks = ARRAY_SIZE(a4_periphs_pmx_banks),
+};
+
+static struct meson_axg_pmx_data a4_aobus_pmx_banks_data = {
+ .pmx_banks = a4_aobus_pmx_banks,
+ .num_pmx_banks = ARRAY_SIZE(a4_aobus_pmx_banks),
+};
+
+static struct meson_pinctrl_data a4_periphs_pinctrl_data = {
I think that both struct meson_pinctrl_data could be const.
+ .name = "periphs-banks",
+ .pins = a4_periphs_pins,
+ .groups = a4_periphs_groups,
+ .funcs = a4_periphs_functions,
+ .banks = a4_periphs_banks,
+ .num_pins = ARRAY_SIZE(a4_periphs_pins),
+ .num_groups = ARRAY_SIZE(a4_periphs_groups),
+ .num_funcs = ARRAY_SIZE(a4_periphs_functions),
+ .num_banks = ARRAY_SIZE(a4_periphs_banks),
+ .pmx_ops = &meson_axg_pmx_ops,
+ .pmx_data = &a4_periphs_pmx_banks_data,
+ .parse_dt = &meson_a1_parse_dt_extra,
+};
+
+static struct meson_pinctrl_data a4_aobus_pinctrl_data = {
+ .name = "aobus-banks",
+ .pins = a4_aobus_pins,
+ .groups = a4_aobus_groups,
+ .funcs = a4_aobus_functions,
+ .banks = a4_aobus_banks,
+ .num_pins = ARRAY_SIZE(a4_aobus_pins),
+ .num_groups = ARRAY_SIZE(a4_aobus_groups),
+ .num_funcs = ARRAY_SIZE(a4_aobus_functions),
+ .num_banks = ARRAY_SIZE(a4_aobus_banks),
+ .pmx_ops = &meson_axg_pmx_ops,
+ .pmx_data = &a4_aobus_pmx_banks_data,
+ .parse_dt = &meson_a1_parse_dt_extra,
+};
+
+static const struct of_device_id a4_pinctrl_dt_match[] = {
+ {
+ .compatible = "amlogic,a4-periphs-pinctrl",
+ .data = &a4_periphs_pinctrl_data,
+ },
+ {
+ .compatible = "amlogic,a4-aobus-pinctrl",
+ .data = &a4_aobus_pinctrl_data,
+ },
+ { },
Usually, there is no extra "," after a terinator item.
+};
+MODULE_DEVICE_TABLE(of, a4_pinctrl_dt_match);
+
+static struct platform_driver a4_pinctrl_driver = {
+ .probe = meson_pinctrl_probe,
+ .driver = {
+ .name = "amlogic-a4-pinctrl",
+ .of_match_table = a4_pinctrl_dt_match,
+ },
+};
...
CJ
