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[87.4.160.102]) by smtp.gmail.com with ESMTPSA id lm3-20020a170906980300b00a524b2ffed6sm1229247ejb.56.2024.04.13.15.14.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 13 Apr 2024 15:14:45 -0700 (PDT) From: Andrea della Porta To: Ulf Hansson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Florian Fainelli , Broadcom internal kernel review list , Linus Walleij , Adrian Hunter , Kamal Dasu , Al Cooper , della Porta , linux-mmc@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org, Jonathan Bell , Phil Elwell Subject: [PATCH 4/6] pinctrl: bcm: Add pinconf/pinmux controller driver for BCM2712 Date: Sun, 14 Apr 2024 00:14:26 +0200 Message-ID: <8fb5dde9404875777587c867e7bdb4f691ab83f2.1713036964.git.andrea.porta@suse.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add a pincontrol driver for BCM2712. BCM2712 allows muxing GPIOs and setting configuration on pads. Originally-by: Jonathan Bell Originally-by: Phil Elwell Signed-off-by: Andrea della Porta --- drivers/pinctrl/bcm/Kconfig | 9 + drivers/pinctrl/bcm/Makefile | 1 + drivers/pinctrl/bcm/pinctrl-bcm2712.c | 1247 +++++++++++++++++++++++++ 3 files changed, 1257 insertions(+) create mode 100644 drivers/pinctrl/bcm/pinctrl-bcm2712.c diff --git a/drivers/pinctrl/bcm/Kconfig b/drivers/pinctrl/bcm/Kconfig index 35b51ce4298e..62ede44460bc 100644 --- a/drivers/pinctrl/bcm/Kconfig +++ b/drivers/pinctrl/bcm/Kconfig @@ -3,6 +3,15 @@ # Broadcom pinctrl drivers # +config PINCTRL_BCM2712 + bool "Broadcom BCM2712 PINCONF driver" + depends on OF && (ARCH_BCM2835 || ARCH_BRCMSTB || COMPILE_TEST) + select PINMUX + select PINCONF + select GENERIC_PINCONF + help + Say Y here to enable the Broadcom BCM2712 PINCONF driver. + config PINCTRL_BCM281XX bool "Broadcom BCM281xx pinctrl driver" depends on OF && (ARCH_BCM_MOBILE || COMPILE_TEST) diff --git a/drivers/pinctrl/bcm/Makefile b/drivers/pinctrl/bcm/Makefile index 82b868ec1471..d298e4785829 100644 --- a/drivers/pinctrl/bcm/Makefile +++ b/drivers/pinctrl/bcm/Makefile @@ -1,6 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 # Broadcom pinctrl support +obj-$(CONFIG_PINCTRL_BCM2712) += pinctrl-bcm2712.o obj-$(CONFIG_PINCTRL_BCM281XX) += pinctrl-bcm281xx.o obj-$(CONFIG_PINCTRL_BCM2835) += pinctrl-bcm2835.o obj-$(CONFIG_PINCTRL_BCM4908) += pinctrl-bcm4908.o diff --git a/drivers/pinctrl/bcm/pinctrl-bcm2712.c b/drivers/pinctrl/bcm/pinctrl-bcm2712.c new file mode 100644 index 000000000000..f9359e9eff14 --- /dev/null +++ b/drivers/pinctrl/bcm/pinctrl-bcm2712.c @@ -0,0 +1,1247 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Driver for Broadcom BCM2712 GPIO units (pinctrl only) + * + * Copyright (C) 2021-3 Raspberry Pi Ltd. + * Copyright (C) 2012 Chris Boot, Simon Arlott, Stephen Warren + * + * Based heavily on the BCM2835 GPIO & pinctrl driver, which was inspired by: + * pinctrl-nomadik.c, please see original file for copyright information + * pinctrl-tegra.c, please see original file for copyright information + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#define MODULE_NAME "pinctrl-bcm2712" + +/* Register offsets */ + +#define BCM2712_PULL_NONE 0 +#define BCM2712_PULL_DOWN 1 +#define BCM2712_PULL_UP 2 +#define BCM2712_PULL_MASK 0x3 + +#define BCM2712_FSEL_COUNT 9 +#define BCM2712_FSEL_MASK 0xf + +#define FUNC(f) \ + [func_##f] = #f +#define PIN(i, f1, f2, f3, f4, f5, f6, f7, f8) \ + [i] = { \ + .funcs = { \ + func_##f1, \ + func_##f2, \ + func_##f3, \ + func_##f4, \ + func_##f5, \ + func_##f6, \ + func_##f7, \ + func_##f8, \ + }, \ + } + +#define MUX_BIT_VALID 0x8000 +#define REG_BIT_INVALID 0xffff + +#define BIT_TO_REG(b) (((b) >> 5) << 2) +#define BIT_TO_SHIFT(b) ((b) & 0x1f) + +#define MUX_BIT(mr, mb) (MUX_BIT_VALID + ((mr)*4)*8 + (mb)*4) +#define GPIO_REGS(n, mr, mb, pr, pb) \ + [n] = { MUX_BIT(mr, mb), ((pr)*4)*8 + (pb)*2 } + +#define EMMC_REGS(n, pr, pb) \ + [n] = { 0, ((pr)*4)*8 + (pb)*2 } + +#define AGPIO_REGS(n, mr, mb, pr, pb) \ + [n] = { MUX_BIT(mr, mb), ((pr)*4)*8 + (pb)*2 } + +#define SGPIO_REGS(n, mr, mb) \ + [n+32] = { MUX_BIT(mr, mb), REG_BIT_INVALID } + +#define GPIO_PIN(a) PINCTRL_PIN(a, "gpio" #a) +#define AGPIO_PIN(a) PINCTRL_PIN(a, "aon_gpio" #a) +#define SGPIO_PIN(a) PINCTRL_PIN(a+32, "aon_sgpio" #a) + +struct pin_regs { + u16 mux_bit; + u16 pad_bit; +}; + +struct bcm2712_pinctrl { + struct device *dev; + void __iomem *base; + struct pinctrl_dev *pctl_dev; + struct pinctrl_desc pctl_desc; + const struct pin_regs *pin_regs; + const struct bcm2712_pin_funcs *pin_funcs; + const char *const *gpio_groups; + struct pinctrl_gpio_range gpio_range; + spinlock_t lock; +}; + +struct bcm_plat_data { + const struct pinctrl_desc *pctl_desc; + const struct pinctrl_gpio_range *gpio_range; + const struct pin_regs *pin_regs; + const struct bcm2712_pin_funcs *pin_funcs; +}; + +struct bcm2712_pin_funcs { + u8 funcs[BCM2712_FSEL_COUNT - 1]; +}; + +enum bcm2712_funcs { + func_gpio, + func_alt1, + func_alt2, + func_alt3, + func_alt4, + func_alt5, + func_alt6, + func_alt7, + func_alt8, + func_aon_cpu_standbyb, + func_aon_fp_4sec_resetb, + func_aon_gpclk, + func_aon_pwm, + func_arm_jtag, + func_aud_fs_clk0, + func_avs_pmu_bsc, + func_bsc_m0, + func_bsc_m1, + func_bsc_m2, + func_bsc_m3, + func_clk_observe, + func_ctl_hdmi_5v, + func_enet0, + func_enet0_mii, + func_enet0_rgmii, + func_ext_sc_clk, + func_fl0, + func_fl1, + func_gpclk0, + func_gpclk1, + func_gpclk2, + func_hdmi_tx0_auto_i2c, + func_hdmi_tx0_bsc, + func_hdmi_tx1_auto_i2c, + func_hdmi_tx1_bsc, + func_i2s_in, + func_i2s_out, + func_ir_in, + func_mtsif, + func_mtsif_alt, + func_mtsif_alt1, + func_pdm, + func_pkt, + func_pm_led_out, + func_sc0, + func_sd0, + func_sd2, + func_sd_card_a, + func_sd_card_b, + func_sd_card_c, + func_sd_card_d, + func_sd_card_e, + func_sd_card_f, + func_sd_card_g, + func_spdif_out, + func_spi_m, + func_spi_s, + func_sr_edm_sense, + func_te0, + func_te1, + func_tsio, + func_uart0, + func_uart1, + func_uart2, + func_usb_pwr, + func_usb_vbus, + func_uui, + func_vc_i2c0, + func_vc_i2c3, + func_vc_i2c4, + func_vc_i2c5, + func_vc_i2csl, + func_vc_pcm, + func_vc_pwm0, + func_vc_pwm1, + func_vc_spi0, + func_vc_spi3, + func_vc_spi4, + func_vc_spi5, + func_vc_uart0, + func_vc_uart2, + func_vc_uart3, + func_vc_uart4, + func__, + func_count = func__ +}; + +static const struct pin_regs bcm2712_c0_gpio_pin_regs[] = { + GPIO_REGS(0, 0, 0, 7, 7), + GPIO_REGS(1, 0, 1, 7, 8), + GPIO_REGS(2, 0, 2, 7, 9), + GPIO_REGS(3, 0, 3, 7, 10), + GPIO_REGS(4, 0, 4, 7, 11), + GPIO_REGS(5, 0, 5, 7, 12), + GPIO_REGS(6, 0, 6, 7, 13), + GPIO_REGS(7, 0, 7, 7, 14), + GPIO_REGS(8, 1, 0, 8, 0), + GPIO_REGS(9, 1, 1, 8, 1), + GPIO_REGS(10, 1, 2, 8, 2), + GPIO_REGS(11, 1, 3, 8, 3), + GPIO_REGS(12, 1, 4, 8, 4), + GPIO_REGS(13, 1, 5, 8, 5), + GPIO_REGS(14, 1, 6, 8, 6), + GPIO_REGS(15, 1, 7, 8, 7), + GPIO_REGS(16, 2, 0, 8, 8), + GPIO_REGS(17, 2, 1, 8, 9), + GPIO_REGS(18, 2, 2, 8, 10), + GPIO_REGS(19, 2, 3, 8, 11), + GPIO_REGS(20, 2, 4, 8, 12), + GPIO_REGS(21, 2, 5, 8, 13), + GPIO_REGS(22, 2, 6, 8, 14), + GPIO_REGS(23, 2, 7, 9, 0), + GPIO_REGS(24, 3, 0, 9, 1), + GPIO_REGS(25, 3, 1, 9, 2), + GPIO_REGS(26, 3, 2, 9, 3), + GPIO_REGS(27, 3, 3, 9, 4), + GPIO_REGS(28, 3, 4, 9, 5), + GPIO_REGS(29, 3, 5, 9, 6), + GPIO_REGS(30, 3, 6, 9, 7), + GPIO_REGS(31, 3, 7, 9, 8), + GPIO_REGS(32, 4, 0, 9, 9), + GPIO_REGS(33, 4, 1, 9, 10), + GPIO_REGS(34, 4, 2, 9, 11), + GPIO_REGS(35, 4, 3, 9, 12), + GPIO_REGS(36, 4, 4, 9, 13), + GPIO_REGS(37, 4, 5, 9, 14), + GPIO_REGS(38, 4, 6, 10, 0), + GPIO_REGS(39, 4, 7, 10, 1), + GPIO_REGS(40, 5, 0, 10, 2), + GPIO_REGS(41, 5, 1, 10, 3), + GPIO_REGS(42, 5, 2, 10, 4), + GPIO_REGS(43, 5, 3, 10, 5), + GPIO_REGS(44, 5, 4, 10, 6), + GPIO_REGS(45, 5, 5, 10, 7), + GPIO_REGS(46, 5, 6, 10, 8), + GPIO_REGS(47, 5, 7, 10, 9), + GPIO_REGS(48, 6, 0, 10, 10), + GPIO_REGS(49, 6, 1, 10, 11), + GPIO_REGS(50, 6, 2, 10, 12), + GPIO_REGS(51, 6, 3, 10, 13), + GPIO_REGS(52, 6, 4, 10, 14), + GPIO_REGS(53, 6, 5, 11, 0), + EMMC_REGS(54, 11, 1), /* EMMC_CMD */ + EMMC_REGS(55, 11, 2), /* EMMC_DS */ + EMMC_REGS(56, 11, 3), /* EMMC_CLK */ + EMMC_REGS(57, 11, 4), /* EMMC_DAT0 */ + EMMC_REGS(58, 11, 5), /* EMMC_DAT1 */ + EMMC_REGS(59, 11, 6), /* EMMC_DAT2 */ + EMMC_REGS(60, 11, 7), /* EMMC_DAT3 */ + EMMC_REGS(61, 11, 8), /* EMMC_DAT4 */ + EMMC_REGS(62, 11, 9), /* EMMC_DAT5 */ + EMMC_REGS(63, 11, 10), /* EMMC_DAT6 */ + EMMC_REGS(64, 11, 11), /* EMMC_DAT7 */ +}; + +static struct pin_regs bcm2712_c0_aon_gpio_pin_regs[] = { + AGPIO_REGS(0, 3, 0, 6, 10), + AGPIO_REGS(1, 3, 1, 6, 11), + AGPIO_REGS(2, 3, 2, 6, 12), + AGPIO_REGS(3, 3, 3, 6, 13), + AGPIO_REGS(4, 3, 4, 6, 14), + AGPIO_REGS(5, 3, 5, 7, 0), + AGPIO_REGS(6, 3, 6, 7, 1), + AGPIO_REGS(7, 3, 7, 7, 2), + AGPIO_REGS(8, 4, 0, 7, 3), + AGPIO_REGS(9, 4, 1, 7, 4), + AGPIO_REGS(10, 4, 2, 7, 5), + AGPIO_REGS(11, 4, 3, 7, 6), + AGPIO_REGS(12, 4, 4, 7, 7), + AGPIO_REGS(13, 4, 5, 7, 8), + AGPIO_REGS(14, 4, 6, 7, 9), + AGPIO_REGS(15, 4, 7, 7, 10), + AGPIO_REGS(16, 5, 0, 7, 11), + SGPIO_REGS(0, 0, 0), + SGPIO_REGS(1, 0, 1), + SGPIO_REGS(2, 0, 2), + SGPIO_REGS(3, 0, 3), + SGPIO_REGS(4, 1, 0), + SGPIO_REGS(5, 2, 0), +}; + +static const struct pinctrl_pin_desc bcm2712_c0_gpio_pins[] = { + GPIO_PIN(0), + GPIO_PIN(1), + GPIO_PIN(2), + GPIO_PIN(3), + GPIO_PIN(4), + GPIO_PIN(5), + GPIO_PIN(6), + GPIO_PIN(7), + GPIO_PIN(8), + GPIO_PIN(9), + GPIO_PIN(10), + GPIO_PIN(11), + GPIO_PIN(12), + GPIO_PIN(13), + GPIO_PIN(14), + GPIO_PIN(15), + GPIO_PIN(16), + GPIO_PIN(17), + GPIO_PIN(18), + GPIO_PIN(19), + GPIO_PIN(20), + GPIO_PIN(21), + GPIO_PIN(22), + GPIO_PIN(23), + GPIO_PIN(24), + GPIO_PIN(25), + GPIO_PIN(26), + GPIO_PIN(27), + GPIO_PIN(28), + GPIO_PIN(29), + GPIO_PIN(30), + GPIO_PIN(31), + GPIO_PIN(32), + GPIO_PIN(33), + GPIO_PIN(34), + GPIO_PIN(35), + GPIO_PIN(36), + GPIO_PIN(37), + GPIO_PIN(38), + GPIO_PIN(39), + GPIO_PIN(40), + GPIO_PIN(41), + GPIO_PIN(42), + GPIO_PIN(43), + GPIO_PIN(44), + GPIO_PIN(45), + GPIO_PIN(46), + GPIO_PIN(47), + GPIO_PIN(48), + GPIO_PIN(49), + GPIO_PIN(50), + GPIO_PIN(51), + GPIO_PIN(52), + GPIO_PIN(53), + PINCTRL_PIN(54, "emmc_cmd"), + PINCTRL_PIN(55, "emmc_ds"), + PINCTRL_PIN(56, "emmc_clk"), + PINCTRL_PIN(57, "emmc_dat0"), + PINCTRL_PIN(58, "emmc_dat1"), + PINCTRL_PIN(59, "emmc_dat2"), + PINCTRL_PIN(60, "emmc_dat3"), + PINCTRL_PIN(61, "emmc_dat4"), + PINCTRL_PIN(62, "emmc_dat5"), + PINCTRL_PIN(63, "emmc_dat6"), + PINCTRL_PIN(64, "emmc_dat7"), +}; + +static struct pinctrl_pin_desc bcm2712_c0_aon_gpio_pins[] = { + AGPIO_PIN(0), + AGPIO_PIN(1), + AGPIO_PIN(2), + AGPIO_PIN(3), + AGPIO_PIN(4), + AGPIO_PIN(5), + AGPIO_PIN(6), + AGPIO_PIN(7), + AGPIO_PIN(8), + AGPIO_PIN(9), + AGPIO_PIN(10), + AGPIO_PIN(11), + AGPIO_PIN(12), + AGPIO_PIN(13), + AGPIO_PIN(14), + AGPIO_PIN(15), + AGPIO_PIN(16), + SGPIO_PIN(0), + SGPIO_PIN(1), + SGPIO_PIN(2), + SGPIO_PIN(3), + SGPIO_PIN(4), + SGPIO_PIN(5), +}; + +static const struct pin_regs bcm2712_d0_gpio_pin_regs[] = { + GPIO_REGS(1, 0, 0, 4, 5), + GPIO_REGS(2, 0, 1, 4, 6), + GPIO_REGS(3, 0, 2, 4, 7), + GPIO_REGS(4, 0, 3, 4, 8), + GPIO_REGS(10, 0, 4, 4, 9), + GPIO_REGS(11, 0, 5, 4, 10), + GPIO_REGS(12, 0, 6, 4, 11), + GPIO_REGS(13, 0, 7, 4, 12), + GPIO_REGS(14, 1, 0, 4, 13), + GPIO_REGS(15, 1, 1, 4, 14), + GPIO_REGS(18, 1, 2, 5, 0), + GPIO_REGS(19, 1, 3, 5, 1), + GPIO_REGS(20, 1, 4, 5, 2), + GPIO_REGS(21, 1, 5, 5, 3), + GPIO_REGS(22, 1, 6, 5, 4), + GPIO_REGS(23, 1, 7, 5, 5), + GPIO_REGS(24, 2, 0, 5, 6), + GPIO_REGS(25, 2, 1, 5, 7), + GPIO_REGS(26, 2, 2, 5, 8), + GPIO_REGS(27, 2, 3, 5, 9), + GPIO_REGS(28, 2, 4, 5, 10), + GPIO_REGS(29, 2, 5, 5, 11), + GPIO_REGS(30, 2, 6, 5, 12), + GPIO_REGS(31, 2, 7, 5, 13), + GPIO_REGS(32, 3, 0, 5, 14), + GPIO_REGS(33, 3, 1, 6, 0), + GPIO_REGS(34, 3, 2, 6, 1), + GPIO_REGS(35, 3, 3, 6, 2), + EMMC_REGS(36, 6, 3), /* EMMC_CMD */ + EMMC_REGS(37, 6, 4), /* EMMC_DS */ + EMMC_REGS(38, 6, 5), /* EMMC_CLK */ + EMMC_REGS(39, 6, 6), /* EMMC_DAT0 */ + EMMC_REGS(40, 6, 7), /* EMMC_DAT1 */ + EMMC_REGS(41, 6, 8), /* EMMC_DAT2 */ + EMMC_REGS(42, 6, 9), /* EMMC_DAT3 */ + EMMC_REGS(43, 6, 10), /* EMMC_DAT4 */ + EMMC_REGS(44, 6, 11), /* EMMC_DAT5 */ + EMMC_REGS(45, 6, 12), /* EMMC_DAT6 */ + EMMC_REGS(46, 6, 13), /* EMMC_DAT7 */ +}; + +static struct pin_regs bcm2712_d0_aon_gpio_pin_regs[] = { + AGPIO_REGS(0, 3, 0, 5, 9), + AGPIO_REGS(1, 3, 1, 5, 10), + AGPIO_REGS(2, 3, 2, 5, 11), + AGPIO_REGS(3, 3, 3, 5, 12), + AGPIO_REGS(4, 3, 4, 5, 13), + AGPIO_REGS(5, 3, 5, 5, 14), + AGPIO_REGS(6, 3, 6, 6, 0), + AGPIO_REGS(8, 3, 7, 6, 1), + AGPIO_REGS(9, 4, 0, 6, 2), + AGPIO_REGS(12, 4, 1, 6, 3), + AGPIO_REGS(13, 4, 2, 6, 4), + AGPIO_REGS(14, 4, 3, 6, 5), + SGPIO_REGS(0, 0, 0), + SGPIO_REGS(1, 0, 1), + SGPIO_REGS(2, 0, 2), + SGPIO_REGS(3, 0, 3), + SGPIO_REGS(4, 1, 0), + SGPIO_REGS(5, 2, 0), +}; + +static const struct pinctrl_pin_desc bcm2712_d0_gpio_pins[] = { + GPIO_PIN(1), + GPIO_PIN(2), + GPIO_PIN(3), + GPIO_PIN(4), + GPIO_PIN(10), + GPIO_PIN(11), + GPIO_PIN(12), + GPIO_PIN(13), + GPIO_PIN(14), + GPIO_PIN(15), + GPIO_PIN(18), + GPIO_PIN(19), + GPIO_PIN(20), + GPIO_PIN(21), + GPIO_PIN(22), + GPIO_PIN(23), + GPIO_PIN(24), + GPIO_PIN(25), + GPIO_PIN(26), + GPIO_PIN(27), + GPIO_PIN(28), + GPIO_PIN(29), + GPIO_PIN(30), + GPIO_PIN(31), + GPIO_PIN(32), + GPIO_PIN(33), + GPIO_PIN(34), + GPIO_PIN(35), + PINCTRL_PIN(36, "emmc_cmd"), + PINCTRL_PIN(37, "emmc_ds"), + PINCTRL_PIN(38, "emmc_clk"), + PINCTRL_PIN(39, "emmc_dat0"), + PINCTRL_PIN(40, "emmc_dat1"), + PINCTRL_PIN(41, "emmc_dat2"), + PINCTRL_PIN(42, "emmc_dat3"), + PINCTRL_PIN(43, "emmc_dat4"), + PINCTRL_PIN(44, "emmc_dat5"), + PINCTRL_PIN(45, "emmc_dat6"), + PINCTRL_PIN(46, "emmc_dat7"), +}; + +static struct pinctrl_pin_desc bcm2712_d0_aon_gpio_pins[] = { + AGPIO_PIN(0), + AGPIO_PIN(1), + AGPIO_PIN(2), + AGPIO_PIN(3), + AGPIO_PIN(4), + AGPIO_PIN(5), + AGPIO_PIN(6), + AGPIO_PIN(8), + AGPIO_PIN(9), + AGPIO_PIN(12), + AGPIO_PIN(13), + AGPIO_PIN(14), + SGPIO_PIN(0), + SGPIO_PIN(1), + SGPIO_PIN(2), + SGPIO_PIN(3), + SGPIO_PIN(4), + SGPIO_PIN(5), +}; + +static const char * const bcm2712_func_names[] = { + FUNC(gpio), + FUNC(alt1), + FUNC(alt2), + FUNC(alt3), + FUNC(alt4), + FUNC(alt5), + FUNC(alt6), + FUNC(alt7), + FUNC(alt8), + FUNC(aon_cpu_standbyb), + FUNC(aon_fp_4sec_resetb), + FUNC(aon_gpclk), + FUNC(aon_pwm), + FUNC(arm_jtag), + FUNC(aud_fs_clk0), + FUNC(avs_pmu_bsc), + FUNC(bsc_m0), + FUNC(bsc_m1), + FUNC(bsc_m2), + FUNC(bsc_m3), + FUNC(clk_observe), + FUNC(ctl_hdmi_5v), + FUNC(enet0), + FUNC(enet0_mii), + FUNC(enet0_rgmii), + FUNC(ext_sc_clk), + FUNC(fl0), + FUNC(fl1), + FUNC(gpclk0), + FUNC(gpclk1), + FUNC(gpclk2), + FUNC(hdmi_tx0_auto_i2c), + FUNC(hdmi_tx0_bsc), + FUNC(hdmi_tx1_auto_i2c), + FUNC(hdmi_tx1_bsc), + FUNC(i2s_in), + FUNC(i2s_out), + FUNC(ir_in), + FUNC(mtsif), + FUNC(mtsif_alt), + FUNC(mtsif_alt1), + FUNC(pdm), + FUNC(pkt), + FUNC(pm_led_out), + FUNC(sc0), + FUNC(sd0), + FUNC(sd2), + FUNC(sd_card_a), + FUNC(sd_card_b), + FUNC(sd_card_c), + FUNC(sd_card_d), + FUNC(sd_card_e), + FUNC(sd_card_f), + FUNC(sd_card_g), + FUNC(spdif_out), + FUNC(spi_m), + FUNC(spi_s), + FUNC(sr_edm_sense), + FUNC(te0), + FUNC(te1), + FUNC(tsio), + FUNC(uart0), + FUNC(uart1), + FUNC(uart2), + FUNC(usb_pwr), + FUNC(usb_vbus), + FUNC(uui), + FUNC(vc_i2c0), + FUNC(vc_i2c3), + FUNC(vc_i2c4), + FUNC(vc_i2c5), + FUNC(vc_i2csl), + FUNC(vc_pcm), + FUNC(vc_pwm0), + FUNC(vc_pwm1), + FUNC(vc_spi0), + FUNC(vc_spi3), + FUNC(vc_spi4), + FUNC(vc_spi5), + FUNC(vc_uart0), + FUNC(vc_uart2), + FUNC(vc_uart3), + FUNC(vc_uart4), +}; + +static const struct bcm2712_pin_funcs bcm2712_c0_aon_gpio_pin_funcs[] = { + PIN(0, ir_in, vc_spi0, vc_uart3, vc_i2c3, te0, vc_i2c0, _, _), + PIN(1, vc_pwm0, vc_spi0, vc_uart3, vc_i2c3, te1, aon_pwm, vc_i2c0, vc_pwm1), + PIN(2, vc_pwm0, vc_spi0, vc_uart3, ctl_hdmi_5v, fl0, aon_pwm, ir_in, vc_pwm1), + PIN(3, ir_in, vc_spi0, vc_uart3, aon_fp_4sec_resetb, fl1, sd_card_g, aon_gpclk, _), + PIN(4, gpclk0, vc_spi0, vc_i2csl, aon_gpclk, pm_led_out, aon_pwm, sd_card_g, vc_pwm0), + PIN(5, gpclk1, ir_in, vc_i2csl, clk_observe, aon_pwm, sd_card_g, vc_pwm0, _), + PIN(6, uart1, vc_uart4, gpclk2, ctl_hdmi_5v, vc_uart0, vc_spi3, _, _), + PIN(7, uart1, vc_uart4, gpclk0, aon_pwm, vc_uart0, vc_spi3, _, _), + PIN(8, uart1, vc_uart4, vc_i2csl, ctl_hdmi_5v, vc_uart0, vc_spi3, _, _), + PIN(9, uart1, vc_uart4, vc_i2csl, aon_pwm, vc_uart0, vc_spi3, _, _), + PIN(10, tsio, ctl_hdmi_5v, sc0, spdif_out, vc_spi5, usb_pwr, aon_gpclk, sd_card_f), + PIN(11, tsio, uart0, sc0, aud_fs_clk0, vc_spi5, usb_vbus, vc_uart2, sd_card_f), + PIN(12, tsio, uart0, vc_uart0, tsio, vc_spi5, usb_pwr, vc_uart2, sd_card_f), + PIN(13, bsc_m1, uart0, vc_uart0, uui, vc_spi5, arm_jtag, vc_uart2, vc_i2c3), + PIN(14, bsc_m1, uart0, vc_uart0, uui, vc_spi5, arm_jtag, vc_uart2, vc_i2c3), + PIN(15, ir_in, aon_fp_4sec_resetb, vc_uart0, pm_led_out, ctl_hdmi_5v, aon_pwm, aon_gpclk, _), + PIN(16, aon_cpu_standbyb, gpclk0, pm_led_out, ctl_hdmi_5v, vc_pwm0, usb_pwr, aud_fs_clk0, _), +}; + +static const struct bcm2712_pin_funcs bcm2712_c0_aon_sgpio_pin_funcs[] = { + PIN(0, hdmi_tx0_bsc, hdmi_tx0_auto_i2c, bsc_m0, vc_i2c0, _, _, _, _), + PIN(1, hdmi_tx0_bsc, hdmi_tx0_auto_i2c, bsc_m0, vc_i2c0, _, _, _, _), + PIN(2, hdmi_tx1_bsc, hdmi_tx1_auto_i2c, bsc_m1, vc_i2c4, ctl_hdmi_5v, _, _, _), + PIN(3, hdmi_tx1_bsc, hdmi_tx1_auto_i2c, bsc_m1, vc_i2c4, _, _, _, _), + PIN(4, avs_pmu_bsc, bsc_m2, vc_i2c5, ctl_hdmi_5v, _, _, _, _), + PIN(5, avs_pmu_bsc, bsc_m2, vc_i2c5, _, _, _, _, _), +}; + +static const struct bcm2712_pin_funcs bcm2712_c0_gpio_pin_funcs[] = { + PIN(0, bsc_m3, vc_i2c0, gpclk0, enet0, vc_pwm1, vc_spi0, ir_in, _), + PIN(1, bsc_m3, vc_i2c0, gpclk1, enet0, vc_pwm1, sr_edm_sense, vc_spi0, vc_uart3), + PIN(2, pdm, i2s_in, gpclk2, vc_spi4, pkt, vc_spi0, vc_uart3, _), + PIN(3, pdm, i2s_in, vc_spi4, pkt, vc_spi0, vc_uart3, _, _), + PIN(4, pdm, i2s_in, arm_jtag, vc_spi4, pkt, vc_spi0, vc_uart3, _), + PIN(5, pdm, vc_i2c3, arm_jtag, sd_card_e, vc_spi4, pkt, vc_pcm, vc_i2c5), + PIN(6, pdm, vc_i2c3, arm_jtag, sd_card_e, vc_spi4, pkt, vc_pcm, vc_i2c5), + PIN(7, i2s_out, spdif_out, arm_jtag, sd_card_e, vc_i2c3, enet0_rgmii, vc_pcm, vc_spi4), + PIN(8, i2s_out, aud_fs_clk0, arm_jtag, sd_card_e, vc_i2c3, enet0_mii, vc_pcm, vc_spi4), + PIN(9, i2s_out, aud_fs_clk0, arm_jtag, sd_card_e, enet0_mii, sd_card_c, vc_spi4, _), + PIN(10, bsc_m3, mtsif_alt1, i2s_in, i2s_out, vc_spi5, enet0_mii, sd_card_c, vc_spi4), + PIN(11, bsc_m3, mtsif_alt1, i2s_in, i2s_out, vc_spi5, enet0_mii, sd_card_c, vc_spi4), + PIN(12, spi_s, mtsif_alt1, i2s_in, i2s_out, vc_spi5, vc_i2csl, sd0, sd_card_d), + PIN(13, spi_s, mtsif_alt1, i2s_out, usb_vbus, vc_spi5, vc_i2csl, sd0, sd_card_d), + PIN(14, spi_s, vc_i2csl, enet0_rgmii, arm_jtag, vc_spi5, vc_pwm0, vc_i2c4, sd_card_d), + PIN(15, spi_s, vc_i2csl, vc_spi3, arm_jtag, vc_pwm0, vc_i2c4, gpclk0, _), + PIN(16, sd_card_b, i2s_out, vc_spi3, i2s_in, sd0, enet0_rgmii, gpclk1, _), + PIN(17, sd_card_b, i2s_out, vc_spi3, i2s_in, ext_sc_clk, sd0, enet0_rgmii, gpclk2), + PIN(18, sd_card_b, i2s_out, vc_spi3, i2s_in, sd0, enet0_rgmii, vc_pwm1, _), + PIN(19, sd_card_b, usb_pwr, vc_spi3, pkt, spdif_out, sd0, ir_in, vc_pwm1), + PIN(20, sd_card_b, uui, vc_uart0, arm_jtag, uart2, usb_pwr, vc_pcm, vc_uart4), + PIN(21, usb_pwr, uui, vc_uart0, arm_jtag, uart2, sd_card_b, vc_pcm, vc_uart4), + PIN(22, usb_pwr, enet0, vc_uart0, mtsif, uart2, usb_vbus, vc_pcm, vc_i2c5), + PIN(23, usb_vbus, enet0, vc_uart0, mtsif, uart2, i2s_out, vc_pcm, vc_i2c5), + PIN(24, mtsif, pkt, uart0, enet0_rgmii, enet0_rgmii, vc_i2c4, vc_uart3, _), + PIN(25, mtsif, pkt, sc0, uart0, enet0_rgmii, enet0_rgmii, vc_i2c4, vc_uart3), + PIN(26, mtsif, pkt, sc0, uart0, enet0_rgmii, vc_uart4, vc_spi5, _), + PIN(27, mtsif, pkt, sc0, uart0, enet0_rgmii, vc_uart4, vc_spi5, _), + PIN(28, mtsif, pkt, sc0, enet0_rgmii, vc_uart4, vc_spi5, _, _), + PIN(29, mtsif, pkt, sc0, enet0_rgmii, vc_uart4, vc_spi5, _, _), + PIN(30, mtsif, pkt, sc0, sd2, enet0_rgmii, gpclk0, vc_pwm0, _), + PIN(31, mtsif, pkt, sc0, sd2, enet0_rgmii, vc_spi3, vc_pwm0, _), + PIN(32, mtsif, pkt, sc0, sd2, enet0_rgmii, vc_spi3, vc_uart3, _), + PIN(33, mtsif, pkt, sd2, enet0_rgmii, vc_spi3, vc_uart3, _, _), + PIN(34, mtsif, pkt, ext_sc_clk, sd2, enet0_rgmii, vc_spi3, vc_i2c5, _), + PIN(35, mtsif, pkt, sd2, enet0_rgmii, vc_spi3, vc_i2c5, _, _), + PIN(36, sd0, mtsif, sc0, i2s_in, vc_uart3, vc_uart2, _, _), + PIN(37, sd0, mtsif, sc0, vc_spi0, i2s_in, vc_uart3, vc_uart2, _), + PIN(38, sd0, mtsif_alt, sc0, vc_spi0, i2s_in, vc_uart3, vc_uart2, _), + PIN(39, sd0, mtsif_alt, sc0, vc_spi0, vc_uart3, vc_uart2, _, _), + PIN(40, sd0, mtsif_alt, sc0, vc_spi0, bsc_m3, _, _, _), + PIN(41, sd0, mtsif_alt, sc0, vc_spi0, bsc_m3, _, _, _), + PIN(42, vc_spi0, mtsif_alt, vc_i2c0, sd_card_a, mtsif_alt1, arm_jtag, pdm, spi_m), + PIN(43, vc_spi0, mtsif_alt, vc_i2c0, sd_card_a, mtsif_alt1, arm_jtag, pdm, spi_m), + PIN(44, vc_spi0, mtsif_alt, enet0, sd_card_a, mtsif_alt1, arm_jtag, pdm, spi_m), + PIN(45, vc_spi0, mtsif_alt, enet0, sd_card_a, mtsif_alt1, arm_jtag, pdm, spi_m), + PIN(46, vc_spi0, mtsif_alt, sd_card_a, mtsif_alt1, arm_jtag, pdm, spi_m, _), + PIN(47, enet0, mtsif_alt, i2s_out, mtsif_alt1, arm_jtag, _, _, _), + PIN(48, sc0, usb_pwr, spdif_out, mtsif, _, _, _, _), + PIN(49, sc0, usb_pwr, aud_fs_clk0, mtsif, _, _, _, _), + PIN(50, sc0, usb_vbus, sc0, _, _, _, _, _), + PIN(51, sc0, enet0, sc0, sr_edm_sense, _, _, _, _), + PIN(52, sc0, enet0, vc_pwm1, _, _, _, _, _), + PIN(53, sc0, enet0_rgmii, ext_sc_clk, _, _, _, _, _), +}; + +static const struct bcm2712_pin_funcs bcm2712_d0_aon_gpio_pin_funcs[] = { + PIN(0, ir_in, vc_spi0, vc_uart0, vc_i2c3, uart0, vc_i2c0, _, _), + PIN(1, vc_pwm0, vc_spi0, vc_uart0, vc_i2c3, uart0, aon_pwm, vc_i2c0, vc_pwm1), + PIN(2, vc_pwm0, vc_spi0, vc_uart0, ctl_hdmi_5v, uart0, aon_pwm, ir_in, vc_pwm1), + PIN(3, ir_in, vc_spi0, vc_uart0, uart0, sd_card_g, aon_gpclk, _, _), + PIN(4, gpclk0, vc_spi0, pm_led_out, aon_pwm, sd_card_g, vc_pwm0, _, _), + PIN(5, gpclk1, ir_in, aon_pwm, sd_card_g, vc_pwm0, _, _, _), + PIN(6, uart1, vc_uart2, ctl_hdmi_5v, gpclk2, vc_spi3, _, _, _), + PIN(7, _, _, _, _, _, _, _, _), + PIN(8, uart1, vc_uart2, ctl_hdmi_5v, vc_spi0, vc_spi3, _, _, _), + PIN(9, uart1, vc_uart2, vc_uart0, aon_pwm, vc_spi0, vc_uart2, vc_spi3, _), + PIN(10, _, _, _, _, _, _, _, _), + PIN(11, _, _, _, _, _, _, _, _), + PIN(12, uart1, vc_uart2, vc_uart0, vc_spi0, usb_pwr, vc_uart2, vc_spi3, _), + PIN(13, bsc_m1, vc_uart0, uui, vc_spi0, arm_jtag, vc_uart2, vc_i2c3, _), + PIN(14, bsc_m1, aon_gpclk, vc_uart0, uui, vc_spi0, arm_jtag, vc_uart2, vc_i2c3), +}; + +static const struct bcm2712_pin_funcs bcm2712_d0_aon_sgpio_pin_funcs[] = { + PIN(0, hdmi_tx0_bsc, hdmi_tx0_auto_i2c, bsc_m0, vc_i2c0, _, _, _, _), + PIN(1, hdmi_tx0_bsc, hdmi_tx0_auto_i2c, bsc_m0, vc_i2c0, _, _, _, _), + PIN(2, hdmi_tx1_bsc, hdmi_tx1_auto_i2c, bsc_m1, vc_i2c0, ctl_hdmi_5v, _, _, _), + PIN(3, hdmi_tx1_bsc, hdmi_tx1_auto_i2c, bsc_m1, vc_i2c0, _, _, _, _), + PIN(4, avs_pmu_bsc, bsc_m2, vc_i2c3, ctl_hdmi_5v, _, _, _, _), + PIN(5, avs_pmu_bsc, bsc_m2, vc_i2c3, _, _, _, _, _), +}; + +static const struct bcm2712_pin_funcs bcm2712_d0_gpio_pin_funcs[] = { + PIN(1, vc_i2c0, usb_pwr, gpclk0, sd_card_e, vc_spi3, sr_edm_sense, vc_spi0, vc_uart0), + PIN(2, vc_i2c0, usb_pwr, gpclk1, sd_card_e, vc_spi3, clk_observe, vc_spi0, vc_uart0), + PIN(3, vc_i2c3, usb_vbus, gpclk2, sd_card_e, vc_spi3, vc_spi0, vc_uart0, _), + PIN(4, vc_i2c3, vc_pwm1, vc_spi3, sd_card_e, vc_spi3, vc_spi0, vc_uart0, _), + PIN(10, bsc_m3, vc_pwm1, vc_spi3, sd_card_e, vc_spi3, gpclk0, _, _), + PIN(11, bsc_m3, vc_spi3, clk_observe, sd_card_c, gpclk1, _, _, _), + PIN(12, spi_s, vc_spi3, sd_card_c, sd_card_d, _, _, _, _), + PIN(13, spi_s, vc_spi3, sd_card_c, sd_card_d, _, _, _, _), + PIN(14, spi_s, uui, arm_jtag, vc_pwm0, vc_i2c0, sd_card_d, _, _), + PIN(15, spi_s, uui, arm_jtag, vc_pwm0, vc_i2c0, gpclk0, _, _), + PIN(18, sd_card_f, vc_pwm1, _, _, _, _, _, _), + PIN(19, sd_card_f, usb_pwr, vc_pwm1, _, _, _, _, _), + PIN(20, vc_i2c3, uui, vc_uart0, arm_jtag, vc_uart2, _, _, _), + PIN(21, vc_i2c3, uui, vc_uart0, arm_jtag, vc_uart2, _, _, _), + PIN(22, sd_card_f, vc_uart0, vc_i2c3, _, _, _, _, _), + PIN(23, vc_uart0, vc_i2c3, _, _, _, _, _, _), + PIN(24, sd_card_b, vc_spi0, arm_jtag, uart0, usb_pwr, vc_uart2, vc_uart0, _), + PIN(25, sd_card_b, vc_spi0, arm_jtag, uart0, usb_pwr, vc_uart2, vc_uart0, _), + PIN(26, sd_card_b, vc_spi0, arm_jtag, uart0, usb_vbus, vc_uart2, vc_spi0, _), + PIN(27, sd_card_b, vc_spi0, arm_jtag, uart0, vc_uart2, vc_spi0, _, _), + PIN(28, sd_card_b, vc_spi0, arm_jtag, vc_i2c0, vc_spi0, _, _, _), + PIN(29, arm_jtag, vc_i2c0, vc_spi0, _, _, _, _, _), + PIN(30, sd2, gpclk0, vc_pwm0, _, _, _, _, _), + PIN(31, sd2, vc_spi3, vc_pwm0, _, _, _, _, _), + PIN(32, sd2, vc_spi3, vc_uart3, _, _, _, _, _), + PIN(33, sd2, vc_spi3, vc_uart3, _, _, _, _, _), + PIN(34, sd2, vc_spi3, vc_i2c5, _, _, _, _, _), + PIN(35, sd2, vc_spi3, vc_i2c5, _, _, _, _, _), +}; + +static inline u32 bcm2712_reg_rd(struct bcm2712_pinctrl *pc, unsigned reg) +{ + return readl(pc->base + reg); +} + +static inline void bcm2712_reg_wr(struct bcm2712_pinctrl *pc, unsigned reg, + u32 val) +{ + writel(val, pc->base + reg); +} + +static enum bcm2712_funcs bcm2712_pinctrl_fsel_get( + struct bcm2712_pinctrl *pc, unsigned pin) +{ + u32 bit = pc->pin_regs[pin].mux_bit; + enum bcm2712_funcs func; + int fsel; + u32 val; + + if (!bit) + return func_gpio; + bit &= ~MUX_BIT_VALID; + + val = bcm2712_reg_rd(pc, BIT_TO_REG(bit)); + fsel = (val >> BIT_TO_SHIFT(bit)) & BCM2712_FSEL_MASK; + func = pc->pin_funcs[pin].funcs[fsel]; + if (func >= func_count) + func = (enum bcm2712_funcs)fsel; + + dev_dbg(pc->dev, "get %04x: %08x (%u => %s)\n", + BIT_TO_REG(bit), val, pin, + bcm2712_func_names[func]); + + return func; +} + +static void bcm2712_pinctrl_fsel_set( + struct bcm2712_pinctrl *pc, unsigned pin, + enum bcm2712_funcs func) +{ + u32 bit = pc->pin_regs[pin].mux_bit, val; + const u8 *pin_funcs; + unsigned long flags; + int fsel; + int cur; + int i; + + if (!bit || func >= func_count) + return; + bit &= ~MUX_BIT_VALID; + + fsel = BCM2712_FSEL_COUNT; + + if (func >= BCM2712_FSEL_COUNT) { + /* Convert to an fsel number */ + pin_funcs = pc->pin_funcs[pin].funcs; + for (i = 1; i < BCM2712_FSEL_COUNT; i++) { + if (pin_funcs[i - 1] == func) { + fsel = i; + break; + } + } + } else { + fsel = (enum bcm2712_funcs)func; + } + if (fsel >= BCM2712_FSEL_COUNT) + return; + + spin_lock_irqsave(&pc->lock, flags); + + val = bcm2712_reg_rd(pc, BIT_TO_REG(bit)); + cur = (val >> BIT_TO_SHIFT(bit)) & BCM2712_FSEL_MASK; + + dev_dbg(pc->dev, "read %04x: %08x (%u => %s)\n", + BIT_TO_REG(bit), val, pin, + bcm2712_func_names[cur]); + + if (cur != fsel) { + val &= ~(BCM2712_FSEL_MASK << BIT_TO_SHIFT(bit)); + val |= fsel << BIT_TO_SHIFT(bit); + + dev_dbg(pc->dev, "write %04x: %08x (%u <= %s)\n", + BIT_TO_REG(bit), val, pin, + bcm2712_func_names[fsel]); + bcm2712_reg_wr(pc, BIT_TO_REG(bit), val); + } + + spin_unlock_irqrestore(&pc->lock, flags); +} + +static int bcm2712_pctl_get_groups_count(struct pinctrl_dev *pctldev) +{ + struct bcm2712_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev); + + return pc->pctl_desc.npins; +} + +static const char *bcm2712_pctl_get_group_name(struct pinctrl_dev *pctldev, + unsigned selector) +{ + struct bcm2712_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev); + + return pc->gpio_groups[selector]; +} + +static int bcm2712_pctl_get_group_pins(struct pinctrl_dev *pctldev, + unsigned selector, + const unsigned **pins, + unsigned *num_pins) +{ + struct bcm2712_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev); + + *pins = &pc->pctl_desc.pins[selector].number; + *num_pins = 1; + + return 0; +} + +static void bcm2712_pctl_pin_dbg_show(struct pinctrl_dev *pctldev, + struct seq_file *s, + unsigned offset) +{ + struct bcm2712_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev); + enum bcm2712_funcs fsel = bcm2712_pinctrl_fsel_get(pc, offset); + const char *fname = bcm2712_func_names[fsel]; + + seq_printf(s, "function %s", fname); +} + +static void bcm2712_pctl_dt_free_map(struct pinctrl_dev *pctldev, + struct pinctrl_map *maps, unsigned num_maps) +{ + int i; + + for (i = 0; i < num_maps; i++) + if (maps[i].type == PIN_MAP_TYPE_CONFIGS_PIN) + kfree(maps[i].data.configs.configs); + + kfree(maps); +} + +static const struct pinctrl_ops bcm2712_pctl_ops = { + .get_groups_count = bcm2712_pctl_get_groups_count, + .get_group_name = bcm2712_pctl_get_group_name, + .get_group_pins = bcm2712_pctl_get_group_pins, + .pin_dbg_show = bcm2712_pctl_pin_dbg_show, + .dt_node_to_map = pinconf_generic_dt_node_to_map_all, + .dt_free_map = bcm2712_pctl_dt_free_map, +}; + +static int bcm2712_pmx_free(struct pinctrl_dev *pctldev, + unsigned offset) +{ + struct bcm2712_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev); + + /* disable by setting to GPIO */ + bcm2712_pinctrl_fsel_set(pc, offset, func_gpio); + return 0; +} + +static int bcm2712_pmx_get_functions_count(struct pinctrl_dev *pctldev) +{ + return func_count; +} + +static const char *bcm2712_pmx_get_function_name(struct pinctrl_dev *pctldev, + unsigned selector) +{ + return (selector < func_count) ? bcm2712_func_names[selector] : NULL; +} + +static int bcm2712_pmx_get_function_groups(struct pinctrl_dev *pctldev, + unsigned selector, + const char * const **groups, + unsigned * const num_groups) +{ + struct bcm2712_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev); + /* every pin can do every function */ + *groups = pc->gpio_groups; + *num_groups = pc->pctl_desc.npins; + + return 0; +} + +static int bcm2712_pmx_set(struct pinctrl_dev *pctldev, + unsigned func_selector, + unsigned group_selector) +{ + struct bcm2712_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev); + const struct pinctrl_desc *pctldesc = &pc->pctl_desc; + const struct pinctrl_pin_desc *pindesc; + + if (group_selector >= pctldesc->npins) + return -EINVAL; + pindesc = &pctldesc->pins[group_selector]; + bcm2712_pinctrl_fsel_set(pc, pindesc->number, func_selector); + + return 0; +} +static int bcm2712_pmx_gpio_request_enable(struct pinctrl_dev *pctldev, + struct pinctrl_gpio_range *range, + unsigned pin) +{ + struct bcm2712_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev); + + bcm2712_pinctrl_fsel_set(pc, pin, func_gpio); + + return 0; +} + +static void bcm2712_pmx_gpio_disable_free(struct pinctrl_dev *pctldev, + struct pinctrl_gpio_range *range, + unsigned offset) +{ + struct bcm2712_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev); + + /* disable by setting to GPIO */ + bcm2712_pinctrl_fsel_set(pc, offset, func_gpio); +} + +static const struct pinmux_ops bcm2712_pmx_ops = { + .free = bcm2712_pmx_free, + .get_functions_count = bcm2712_pmx_get_functions_count, + .get_function_name = bcm2712_pmx_get_function_name, + .get_function_groups = bcm2712_pmx_get_function_groups, + .set_mux = bcm2712_pmx_set, + .gpio_request_enable = bcm2712_pmx_gpio_request_enable, + .gpio_disable_free = bcm2712_pmx_gpio_disable_free, +}; + +static unsigned int bcm2712_pull_config_get(struct bcm2712_pinctrl *pc, + unsigned int pin) +{ + u32 bit = pc->pin_regs[pin].pad_bit, val; + + if (unlikely(bit == REG_BIT_INVALID)) + return BCM2712_PULL_NONE; + + val = bcm2712_reg_rd(pc, BIT_TO_REG(bit)); + return (val >> BIT_TO_SHIFT(bit)) & BCM2712_PULL_MASK; +} + +static void bcm2712_pull_config_set(struct bcm2712_pinctrl *pc, + unsigned int pin, unsigned int arg) +{ + u32 bit = pc->pin_regs[pin].pad_bit, val; + unsigned long flags; + + if (unlikely(bit == REG_BIT_INVALID)) { + dev_warn(pc->dev, "can't set pulls for %s\n", pc->gpio_groups[pin]); + return; + } + + spin_lock_irqsave(&pc->lock, flags); + + val = bcm2712_reg_rd(pc, BIT_TO_REG(bit)); + val &= ~(BCM2712_PULL_MASK << BIT_TO_SHIFT(bit)); + val |= (arg << BIT_TO_SHIFT(bit)); + bcm2712_reg_wr(pc, BIT_TO_REG(bit), val); + + spin_unlock_irqrestore(&pc->lock, flags); +} + +static int bcm2712_pinconf_get(struct pinctrl_dev *pctldev, + unsigned pin, unsigned long *config) +{ + struct bcm2712_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev); + enum pin_config_param param = pinconf_to_config_param(*config); + u32 arg; + + switch (param) { + case PIN_CONFIG_BIAS_DISABLE: + arg = (bcm2712_pull_config_get(pc, pin) == BCM2712_PULL_NONE); + break; + case PIN_CONFIG_BIAS_PULL_DOWN: + arg = (bcm2712_pull_config_get(pc, pin) == BCM2712_PULL_DOWN); + break; + case PIN_CONFIG_BIAS_PULL_UP: + arg = (bcm2712_pull_config_get(pc, pin) == BCM2712_PULL_UP); + break; + default: + return -ENOTSUPP; + } + + *config = pinconf_to_config_packed(param, arg); + + return -ENOTSUPP; +} + +static int bcm2712_pinconf_set(struct pinctrl_dev *pctldev, + unsigned int pin, unsigned long *configs, + unsigned int num_configs) +{ + struct bcm2712_pinctrl *pc = pinctrl_dev_get_drvdata(pctldev); + u32 param, arg; + int i; + + for (i = 0; i < num_configs; i++) { + param = pinconf_to_config_param(configs[i]); + arg = pinconf_to_config_argument(configs[i]); + + switch (param) { + case PIN_CONFIG_BIAS_DISABLE: + bcm2712_pull_config_set(pc, pin, BCM2712_PULL_NONE); + break; + case PIN_CONFIG_BIAS_PULL_DOWN: + bcm2712_pull_config_set(pc, pin, BCM2712_PULL_DOWN); + break; + case PIN_CONFIG_BIAS_PULL_UP: + bcm2712_pull_config_set(pc, pin, BCM2712_PULL_UP); + break; + default: + return -ENOTSUPP; + } + } /* for each config */ + + return 0; +} + +static const struct pinconf_ops bcm2712_pinconf_ops = { + .is_generic = true, + .pin_config_get = bcm2712_pinconf_get, + .pin_config_set = bcm2712_pinconf_set, +}; + +static const struct pinctrl_desc bcm2712_c0_pinctrl_desc = { + .name = "pinctrl-bcm2712", + .pins = bcm2712_c0_gpio_pins, + .npins = ARRAY_SIZE(bcm2712_c0_gpio_pins), + .pctlops = &bcm2712_pctl_ops, + .pmxops = &bcm2712_pmx_ops, + .confops = &bcm2712_pinconf_ops, + .owner = THIS_MODULE, +}; + +static const struct pinctrl_desc bcm2712_c0_aon_pinctrl_desc = { + .name = "aon-pinctrl-bcm2712", + .pins = bcm2712_c0_aon_gpio_pins, + .npins = ARRAY_SIZE(bcm2712_c0_aon_gpio_pins), + .pctlops = &bcm2712_pctl_ops, + .pmxops = &bcm2712_pmx_ops, + .confops = &bcm2712_pinconf_ops, + .owner = THIS_MODULE, +}; + +static const struct pinctrl_desc bcm2712_d0_pinctrl_desc = { + .name = "pinctrl-bcm2712", + .pins = bcm2712_d0_gpio_pins, + .npins = ARRAY_SIZE(bcm2712_d0_gpio_pins), + .pctlops = &bcm2712_pctl_ops, + .pmxops = &bcm2712_pmx_ops, + .confops = &bcm2712_pinconf_ops, + .owner = THIS_MODULE, +}; + +static const struct pinctrl_desc bcm2712_d0_aon_pinctrl_desc = { + .name = "aon-pinctrl-bcm2712", + .pins = bcm2712_d0_aon_gpio_pins, + .npins = ARRAY_SIZE(bcm2712_d0_aon_gpio_pins), + .pctlops = &bcm2712_pctl_ops, + .pmxops = &bcm2712_pmx_ops, + .confops = &bcm2712_pinconf_ops, + .owner = THIS_MODULE, +}; + +static const struct pinctrl_gpio_range bcm2712_c0_pinctrl_gpio_range = { + .name = "pinctrl-bcm2712", + .npins = ARRAY_SIZE(bcm2712_c0_gpio_pins), +}; + +static const struct pinctrl_gpio_range bcm2712_c0_aon_pinctrl_gpio_range = { + .name = "aon-pinctrl-bcm2712", + .npins = ARRAY_SIZE(bcm2712_c0_aon_gpio_pins), +}; + +static const struct pinctrl_gpio_range bcm2712_d0_pinctrl_gpio_range = { + .name = "pinctrl-bcm2712", + .npins = ARRAY_SIZE(bcm2712_d0_gpio_pins), +}; + +static const struct pinctrl_gpio_range bcm2712_d0_aon_pinctrl_gpio_range = { + .name = "aon-pinctrl-bcm2712", + .npins = ARRAY_SIZE(bcm2712_d0_aon_gpio_pins), +}; + +static const struct bcm_plat_data bcm2712_c0_plat_data = { + .pctl_desc = &bcm2712_c0_pinctrl_desc, + .gpio_range = &bcm2712_c0_pinctrl_gpio_range, + .pin_regs = bcm2712_c0_gpio_pin_regs, + .pin_funcs = bcm2712_c0_gpio_pin_funcs, +}; + +static const struct bcm_plat_data bcm2712_c0_aon_plat_data = { + .pctl_desc = &bcm2712_c0_aon_pinctrl_desc, + .gpio_range = &bcm2712_c0_aon_pinctrl_gpio_range, + .pin_regs = bcm2712_c0_aon_gpio_pin_regs, + .pin_funcs = bcm2712_c0_aon_gpio_pin_funcs, +}; + +static const struct bcm_plat_data bcm2712_d0_plat_data = { + .pctl_desc = &bcm2712_d0_pinctrl_desc, + .gpio_range = &bcm2712_d0_pinctrl_gpio_range, + .pin_regs = bcm2712_d0_gpio_pin_regs, + .pin_funcs = bcm2712_d0_gpio_pin_funcs, +}; + +static const struct bcm_plat_data bcm2712_d0_aon_plat_data = { + .pctl_desc = &bcm2712_d0_aon_pinctrl_desc, + .gpio_range = &bcm2712_d0_aon_pinctrl_gpio_range, + .pin_regs = bcm2712_d0_aon_gpio_pin_regs, + .pin_funcs = bcm2712_d0_aon_gpio_pin_funcs, +}; + +static const struct of_device_id bcm2712_pinctrl_match[] = { + { + .compatible = "brcm,bcm2712-pinctrl", + .data = &bcm2712_c0_plat_data, + }, + { + .compatible = "brcm,bcm2712-aon-pinctrl", + .data = &bcm2712_c0_aon_plat_data, + }, + + { + .compatible = "brcm,bcm2712c0-pinctrl", + .data = &bcm2712_c0_plat_data, + }, + { + .compatible = "brcm,bcm2712c0-aon-pinctrl", + .data = &bcm2712_c0_aon_plat_data, + }, + + { + .compatible = "brcm,bcm2712d0-pinctrl", + .data = &bcm2712_d0_plat_data, + }, + { + .compatible = "brcm,bcm2712d0-aon-pinctrl", + .data = &bcm2712_d0_aon_plat_data, + }, + {} +}; + +static int bcm2712_pinctrl_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + //struct device_node *np = dev->of_node; + const struct bcm_plat_data *pdata; + //const struct of_device_id *match; + struct bcm2712_pinctrl *pc; + const char **names; + int num_pins, i; + + pdata = device_get_match_data(&pdev->dev); + if (!pdata) + return -EINVAL; + + pc = devm_kzalloc(dev, sizeof(*pc), GFP_KERNEL); + if (!pc) + return -ENOMEM; + + platform_set_drvdata(pdev, pc); + pc->dev = dev; + spin_lock_init(&pc->lock); + + //pc->base = devm_of_iomap(dev, np, 0, NULL); + pc->base = devm_platform_ioremap_resource(pdev, 0); + if (WARN_ON(IS_ERR(pc->base))) { + //dev_err(dev, "could not get IO memory\n"); + return PTR_ERR(pc->base); + } + + pc->pctl_desc = *pdata->pctl_desc; + num_pins = pc->pctl_desc.npins; + names = devm_kmalloc_array(dev, num_pins, sizeof(const char *), + GFP_KERNEL); + if (!names) + return -ENOMEM; + for (i = 0; i < num_pins; i++) + names[i] = pc->pctl_desc.pins[i].name; + pc->gpio_groups = names; + pc->pin_regs = pdata->pin_regs; + pc->pin_funcs = pdata->pin_funcs; + pc->pctl_dev = devm_pinctrl_register(dev, &pc->pctl_desc, pc); + if (IS_ERR(pc->pctl_dev)) + return PTR_ERR(pc->pctl_dev); + + pc->gpio_range = *pdata->gpio_range; + pinctrl_add_gpio_range(pc->pctl_dev, &pc->gpio_range); + + return 0; +} + +static struct platform_driver bcm2712_pinctrl_driver = { + .probe = bcm2712_pinctrl_probe, + .driver = { + .name = MODULE_NAME, + .of_match_table = bcm2712_pinctrl_match, + .suppress_bind_attrs = true, + }, +}; +builtin_platform_driver(bcm2712_pinctrl_driver); -- 2.35.3