Re: [PATCH 2/2] pinctrl: qcom: Add QDU1000/QRU1000 pinctrl driver

From: Krzysztof Kozlowski
Date: Sat Oct 01 2022 - 05:22:48 EST


On 01/10/2022 05:05, Melody Olvera wrote:
> Add pin control driver for the TLMM block found in the QDU1000
> and QRU1000 SoC.
>
> Signed-off-by: Melody Olvera <quic_molvera@xxxxxxxxxxx>
> ---
> .../pinctrl/qcom,qdru1000-pinctrl.yaml | 177 +-
> drivers/pinctrl/qcom/Kconfig | 10 +
> drivers/pinctrl/qcom/Makefile | 1 +
> drivers/pinctrl/qcom/pinctrl-qdru1000.c | 59 +
> drivers/pinctrl/qcom/pinctrl-qdru1000.h | 1896 +++++++++++++++++
> 5 files changed, 2050 insertions(+), 93 deletions(-)
> create mode 100644 drivers/pinctrl/qcom/pinctrl-qdru1000.c
> create mode 100644 drivers/pinctrl/qcom/pinctrl-qdru1000.h
>
> diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,qdru1000-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,qdru1000-pinctrl.yaml
> index e8d938303231..42176247862c 100644
> --- a/Documentation/devicetree/bindings/pinctrl/qcom,qdru1000-pinctrl.yaml
> +++ b/Documentation/devicetree/bindings/pinctrl/qcom,qdru1000-pinctrl.yaml

Nope, drivers cannot be mixed with bindings in one patch.

> @@ -10,7 +10,11 @@ maintainers:
> - Melody Olvera <quic_molvera@xxxxxxxxxxx>
>
> description: |
> - This binding describes the Top Level Mode Multiplexer block.
> + This binding describes the Top Level Mode Multiplexer block (TLMM) found
> + in the QDU1000 and QRU1000 platforms.
> +
> +allOf:
> + - $ref: /schemas/pinctrl/qcom,tlmm-common.yaml#
>
> properties:
> compatible:
> @@ -19,105 +23,92 @@ properties:
> - const: qcom,qru1000-tlmm
>
> reg:
> - items:
> - - description: Base address of TLMM register space
> - - description: Size of TLMM register space
> -
> - interrupts:
> - minItems: 0
> maxItems: 1
> - items:
> - - const: TLMM summary IRQ
> -
> + interrupts: true
> interrupt-controller: true
> -
> - '#interrupt-cells':
> - const: 2
> -
> + '#interrupt-cells': true
> gpio-controller: true
> + '#gpio-cells': true
> + wakeup-parent: true
>
> - '#gpio-cells':
> - const: 2
> -
> - wakeup-parent:
> - maxItems: 1
> - description:
> - Please refer to ../gpio/gpio.txt and ../interrupt-controller/interrupts.txt for
> - a general description of GPIO and interrupt bindings.
> -
> - Please refer to pinctrl-bindings.txt in this directory for details of the
> - common pinctrl bindings used by client devices, including the meaning of the
> - phrase "pin configuration node".
> -
> - The pin configuration nodes act as a container for an arbitrary number of
> - subnodes. Each of these subnodes represents some desired configuration for a
> - pin, a group, or a list of pins or groups. This configuration can include the
> - mux function to select on those pin(s)/group(s), and various pin configuration
> - parameters, such as pull-up, drive strength, etc.
> +required:
> + - compatible
> + - reg
>
> +additionalProperties: false
>
> # PIN CONFIGURATION NODES
> -patternPropetries:
> - '^.*$':
> - if:
> - type: object
> - then:
> - properties:
> - pins:
> - description:
> - List of gpio pins affected by the properties specified in
> - this subnode.
> - items:
> - oneOf:
> - - pattern: "^gpio([0-9]|[1-9][0-9]|1[0-9][0-9]|20[0-9])"
> - - enum: [ sdc2_clk, sdc2_cmd, sdc2_data, ufs_reset ]
> - minItems: 1
> - maxItems: 36
> - function:
> - description:
> - Specify the alternative function to be configured for the
> - specified pins. Functions are only valid for gpio pins.
> - enum: [gpio, aon_cam, atest_char, atest_char0, atest_char1, atest_char2, atest_char3,
> - atest_usb0, atest_usb00, atest_usb01, atest_usb02, atest_usb03, audio_ref, cam_mclk,
> - cci_async, cci_i2c, cci_timer0, cci_timer1, cci_timer2, cci_timer3, cci_timer4,
> - cmu_rng0, cmu_rng1, cmu_rng2, cmu_rng3, coex_uart1, coex_uart2, cri_trng, cri_trng0,
> - cri_trng1, dbg_out, ddr_bist, ddr_pxi0, ddr_pxi1, ddr_pxi2, ddr_pxi3, dp_hot, gcc_gp1,
> - gcc_gp2, gcc_gp3, ibi_i3c, jitter_bist, mdp_vsync, mdp_vsync0, mdp_vsync1, mdp_vsync2,
> - mdp_vsync3, mi2s0_data0, mi2s0_data1, mi2s0_sck, mi2s0_ws, mi2s2_data0, mi2s2_data1,
> - mi2s2_sck, mi2s2_ws, mss_grfc0, mss_grfc1, mss_grfc10, mss_grfc11, mss_grfc12,
> - mss_grfc2, mss_grfc3, mss_grfc4, mss_grfc5, mss_grfc6, mss_grfc7, mss_grfc8, mss_grfc9,
> - nav_0, nav_1, nav_2, pcie0_clkreqn, pcie1_clkreqn, phase_flag0, phase_flag1,
> - phase_flag10, phase_flag11, phase_flag12, phase_flag13, phase_flag14, phase_flag15,
> - phase_flag16, phase_flag17, phase_flag18, phase_flag19, phase_flag2, phase_flag20,
> - phase_flag21, phase_flag22, phase_flag23, phase_flag24, phase_flag25, phase_flag26,
> - phase_flag27, phase_flag28, phase_flag29, phase_flag3, phase_flag30, phase_flag31,
> - phase_flag4, phase_flag5, phase_flag6, phase_flag7, phase_flag8, phase_flag9, pll_bist,
> - pll_clk, pri_mi2s, prng_rosc0, prng_rosc1, prng_rosc2, prng_rosc3, qdss_cti, qdss_gpio,
> - qdss_gpio0, qdss_gpio1, qdss_gpio10, qdss_gpio11, qdss_gpio12, qdss_gpio13, qdss_gpio14,
> - qdss_gpio15, qdss_gpio2, qdss_gpio3, qdss_gpio4, qdss_gpio5, qdss_gpio6, qdss_gpio7,
> - qdss_gpio8, qdss_gpio9, qlink0_enable, qlink0_request, qlink0_wmss, qlink1_enable,
> - qlink1_request, qlink1_wmss, qlink2_enable, qlink2_request, qlink2_wmss, qspi0, qspi1,
> - qspi2, qspi3, qspi_clk, qspi_cs, qup0, qup1, qup10, qup11, qup12, qup13, qup14, qup15,
> - qup16, qup17, qup18, qup19, qup2, qup20, qup21, qup3, qup4, qup5, qup6, qup7, qup8,
> - qup9, qup_l4, qup_l5, qup_l6, sd_write, sdc40, sdc41, sdc42, sdc43, sdc4_clk, sdc4_cmd,
> - sec_mi2s, tb_trig, tgu_ch0, tgu_ch1, tgu_ch2, tgu_ch3, tmess_prng0, tmess_prng1,
> - tmess_prng2, tmess_prng3, tsense_pwm1, tsense_pwm2, uim0_clk, uim0_data, uim0_present,
> - uim0_reset, uim1_clk, uim1_data, uim1_present, uim1_reset, usb2phy_ac, usb_phy, vfr_0,
> - vfr_1, vsense_trigger]
> - drive-strength:
> - enum: [2, 4, 6, 8, 10, 12, 14, 16]
> - default: 2
> - description:
> - Selects the drive strength for the specified pins, in mA.
> - bias-pull-down: true
> - bias-pull-up: true
> - bias-disable: true
> - output-high: true
> - output-low: true
> - required:
> - - pins
> - - function
> - additionalProperties: false
> +patternProperties:
> + '-state$':
> + oneOf:
> + - $ref: "#/$defs/qcom-qdru1000-tlmm-state"
> + - patternProperties:
> + ".*":
> + $ref: "#/$defs/qcom-qdru1000-tlmm-state"

Review your patches before sending...

> +
> +$defs:
> + qcom-qdru1000-tlmm-state:
> + type: object
> + description:
> + Pinctrl nodes' client devices use subnodes for desired pin configuration.
> + Client device subnodes use below standard properties.
> + $ref: "qcom,tlmm-common.yaml#/$defs/qcom-tlmm-state"
> + properties:
> + pins:
> + description:
> + List of gpio pins affected by the properties specified in
> + this subnode.
> + items:
> + oneOf:
> + - pattern: "^gpio([0-9]|[1-9][0-9]|1[0-9][0-9]|20[0-9])"
> + - enum: [ sdc2_clk, sdc2_cmd, sdc2_data, ufs_reset ]
> + minItems: 1
> + maxItems: 36
> + function:
> + description:
> + Specify the alternative function to be configured for the
> + specified pins. Functions are only valid for gpio pins.
> + enum: [gpio, aon_cam, atest_char, atest_char0, atest_char1, atest_char2, atest_char3,
> + atest_usb0, atest_usb00, atest_usb01, atest_usb02, atest_usb03, audio_ref, cam_mclk,
> + cci_async, cci_i2c, cci_timer0, cci_timer1, cci_timer2, cci_timer3, cci_timer4,
> + cmu_rng0, cmu_rng1, cmu_rng2, cmu_rng3, coex_uart1, coex_uart2, cri_trng, cri_trng0,
> + cri_trng1, dbg_out, ddr_bist, ddr_pxi0, ddr_pxi1, ddr_pxi2, ddr_pxi3, dp_hot, gcc_gp1,
> + gcc_gp2, gcc_gp3, ibi_i3c, jitter_bist, mdp_vsync, mdp_vsync0, mdp_vsync1, mdp_vsync2,
> + mdp_vsync3, mi2s0_data0, mi2s0_data1, mi2s0_sck, mi2s0_ws, mi2s2_data0, mi2s2_data1,
> + mi2s2_sck, mi2s2_ws, mss_grfc0, mss_grfc1, mss_grfc10, mss_grfc11, mss_grfc12,
> + mss_grfc2, mss_grfc3, mss_grfc4, mss_grfc5, mss_grfc6, mss_grfc7, mss_grfc8, mss_grfc9,
> + nav_0, nav_1, nav_2, pcie0_clkreqn, pcie1_clkreqn, phase_flag0, phase_flag1,
> + phase_flag10, phase_flag11, phase_flag12, phase_flag13, phase_flag14, phase_flag15,
> + phase_flag16, phase_flag17, phase_flag18, phase_flag19, phase_flag2, phase_flag20,
> + phase_flag21, phase_flag22, phase_flag23, phase_flag24, phase_flag25, phase_flag26,
> + phase_flag27, phase_flag28, phase_flag29, phase_flag3, phase_flag30, phase_flag31,
> + phase_flag4, phase_flag5, phase_flag6, phase_flag7, phase_flag8, phase_flag9, pll_bist,
> + pll_clk, pri_mi2s, prng_rosc0, prng_rosc1, prng_rosc2, prng_rosc3, qdss_cti, qdss_gpio,
> + qdss_gpio0, qdss_gpio1, qdss_gpio10, qdss_gpio11, qdss_gpio12, qdss_gpio13, qdss_gpio14,
> + qdss_gpio15, qdss_gpio2, qdss_gpio3, qdss_gpio4, qdss_gpio5, qdss_gpio6, qdss_gpio7,
> + qdss_gpio8, qdss_gpio9, qlink0_enable, qlink0_request, qlink0_wmss, qlink1_enable,
> + qlink1_request, qlink1_wmss, qlink2_enable, qlink2_request, qlink2_wmss, qspi0, qspi1,
> + qspi2, qspi3, qspi_clk, qspi_cs, qup0, qup1, qup10, qup11, qup12, qup13, qup14, qup15,
> + qup16, qup17, qup18, qup19, qup2, qup20, qup21, qup3, qup4, qup5, qup6, qup7, qup8,
> + qup9, qup_l4, qup_l5, qup_l6, sd_write, sdc40, sdc41, sdc42, sdc43, sdc4_clk, sdc4_cmd,
> + sec_mi2s, tb_trig, tgu_ch0, tgu_ch1, tgu_ch2, tgu_ch3, tmess_prng0, tmess_prng1,
> + tmess_prng2, tmess_prng3, tsense_pwm1, tsense_pwm2, uim0_clk, uim0_data, uim0_present,
> + uim0_reset, uim1_clk, uim1_data, uim1_present, uim1_reset, usb2phy_ac, usb_phy, vfr_0,
> + vfr_1, vsense_trigger]
> +
> + bias-disable: true
> + bias-pull-down: true
> + bias-pull-up: true
> + drive-strength: true
> + input-enable: true
> + output-high: true
> + output-low: true
> +
> + required:
> + - pins
> + - function
> +
> + additionalProperties: false
>
> examples:
> - |
> diff --git a/drivers/pinctrl/qcom/Kconfig b/drivers/pinctrl/qcom/Kconfig
> index f415c13caae0..c8a7d6e44a81 100644
> --- a/drivers/pinctrl/qcom/Kconfig
> +++ b/drivers/pinctrl/qcom/Kconfig
> @@ -390,6 +390,16 @@ config PINCTRL_SM8450
> Qualcomm Technologies Inc TLMM block found on the Qualcomm
> Technologies Inc SM8450 platform.
>
> +config PINCTRL_QDRU1000

Order alphabetically.

> + tristate "Qualcomm Tehcnologies Inc QDU1000/QRU1000 pin controller driver"
> + depends on GPIOLIB && OF
> + depends on PINCTRL_MSM
> + help
> + This is the pinctrl, pinmux, pinconf, and gpiolib driver for the
> + Qualcomm Technologies Inc TLMM block found on the Qualcomm
> + Technologies Inc QDU1000 and QRU1000 platforms.
> +
> +

No need for multiple line breaks.

> config PINCTRL_LPASS_LPI
> tristate "Qualcomm Technologies Inc LPASS LPI pin controller driver"
> select PINMUX
> diff --git a/drivers/pinctrl/qcom/Makefile b/drivers/pinctrl/qcom/Makefile
> index fbd64853a24d..431a845b4e2d 100644
> --- a/drivers/pinctrl/qcom/Makefile
> +++ b/drivers/pinctrl/qcom/Makefile
> @@ -45,4 +45,5 @@ obj-$(CONFIG_PINCTRL_SM8250) += pinctrl-sm8250.o
> obj-$(CONFIG_PINCTRL_SM8250_LPASS_LPI) += pinctrl-sm8250-lpass-lpi.o
> obj-$(CONFIG_PINCTRL_SM8350) += pinctrl-sm8350.o
> obj-$(CONFIG_PINCTRL_SM8450) += pinctrl-sm8450.o
> +obj-$(CONFIG_PINCTRL_QDRU1000) += pinctrl-qdru1000.o

Wrong order.

> obj-$(CONFIG_PINCTRL_LPASS_LPI) += pinctrl-lpass-lpi.o
> diff --git a/drivers/pinctrl/qcom/pinctrl-qdru1000.c b/drivers/pinctrl/qcom/pinctrl-qdru1000.c
> new file mode 100644
> index 000000000000..8b931ff80bb4
> --- /dev/null
> +++ b/drivers/pinctrl/qcom/pinctrl-qdru1000.c
> @@ -0,0 +1,59 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (c) 2021, The Linux Foundation. All rights reserved.
> + * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +#include <linux/module.h>
> +#include <linux/of.h>
> +#include <linux/platform_device.h>
> +#include <linux/pinctrl/pinctrl.h>
> +
> +#include "pinctrl-msm.h"
> +#include "pinctrl-qdru1000.h"
> +
> +static const struct msm_pinctrl_soc_data qdru1000_tlmm = {
> + .pins = qdru1000_pins,
> + .npins = ARRAY_SIZE(qdru1000_pins),
> + .functions = qdru1000_functions,
> + .nfunctions = ARRAY_SIZE(qdru1000_functions),
> + .groups = qdru1000_groups,
> + .ngroups = ARRAY_SIZE(qdru1000_groups),
> + .ngpios = 151,
> +};
> +
> +static int qdru1000_tlmm_probe(struct platform_device *pdev)
> +{
> + return msm_pinctrl_probe(pdev, &qdru1000_tlmm);
> +}
> +
> +static const struct of_device_id qdru1000_tlmm_of_match[] = {
> + { .compatible = "qcom,qdu1000-tlmm", },
> + { .compatible = "qcom,qru1000-tlmm", },
> + { },
> +};
> +
> +static struct platform_driver qdru1000_tlmm_driver = {
> + .driver = {
> + .name = "qdru1000-tlmm",
> + .of_match_table = qdru1000_tlmm_of_match,
> + },
> + .probe = qdru1000_tlmm_probe,
> + .remove = msm_pinctrl_remove,
> +};
> +
> +static int __init qdru1000_tlmm_init(void)
> +{
> + return platform_driver_register(&qdru1000_tlmm_driver);
> +}
> +arch_initcall(qdru1000_tlmm_init);
> +
> +static void __exit qdru1000_tlmm_exit(void)
> +{
> + platform_driver_unregister(&qdru1000_tlmm_driver);
> +}
> +module_exit(qdru1000_tlmm_exit);
> +
> +MODULE_DESCRIPTION("QTI QDRU1000 TLMM driver");
> +MODULE_LICENSE("GPL v2");
> +MODULE_DEVICE_TABLE(of, qdru1000_tlmm_of_match);
> diff --git a/drivers/pinctrl/qcom/pinctrl-qdru1000.h b/drivers/pinctrl/qcom/pinctrl-qdru1000.h
> new file mode 100644
> index 000000000000..3c1f703ae53b
> --- /dev/null
> +++ b/drivers/pinctrl/qcom/pinctrl-qdru1000.h
> @@ -0,0 +1,1896 @@
> +/* SPDX-License-Identifier: GPL-2.0-only */
> +/*
> + * Copyright (c) 2021, The Linux Foundation. All rights reserved.
> + * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
> + */
> +
> +#define FUNCTION(fname) \
> + [msm_mux_##fname] = { \
> + .name = #fname, \
> + .groups = fname##_groups, \
> + .ngroups = ARRAY_SIZE(fname##_groups), \
> + }
> +
> +#define REG_BASE 0x100000
> +#define REG_SIZE 0x1000
> +#define PINGROUP(id, f1, f2, f3, f4, f5, f6, f7, f8, f9) \
> + { \
> + .name = "gpio" #id, \
> + .pins = gpio##id##_pins, \
> + .npins = (unsigned int)ARRAY_SIZE(gpio##id##_pins), \
> + .funcs = (int[]){ \
> + msm_mux_gpio, /* gpio mode */ \
> + msm_mux_##f1, \
> + msm_mux_##f2, \
> + msm_mux_##f3, \
> + msm_mux_##f4, \
> + msm_mux_##f5, \
> + msm_mux_##f6, \
> + msm_mux_##f7, \
> + msm_mux_##f8, \
> + msm_mux_##f9 \
> + }, \
> + .nfuncs = 10, \
> + .ctl_reg = REG_BASE + REG_SIZE * id, \
> + .io_reg = REG_BASE + 0x4 + REG_SIZE * id, \
> + .intr_cfg_reg = REG_BASE + 0x8 + REG_SIZE * id, \
> + .intr_status_reg = REG_BASE + 0xc + REG_SIZE * id, \
> + .intr_target_reg = REG_BASE + 0x8 + REG_SIZE * id, \
> + .mux_bit = 2, \
> + .pull_bit = 0, \
> + .drv_bit = 6, \
> + .oe_bit = 9, \
> + .in_bit = 0, \
> + .out_bit = 1, \
> + .intr_enable_bit = 0, \
> + .intr_status_bit = 0, \
> + .intr_target_bit = 5, \
> + .intr_target_kpss_val = 3, \
> + .intr_raw_status_bit = 4, \
> + .intr_polarity_bit = 1, \
> + .intr_detection_bit = 2, \
> + .intr_detection_width = 2, \
> + }
> +
> +#define SDC_QDSD_PINGROUP(pg_name, ctl, pull, drv) \
> + { \
> + .name = #pg_name, \
> + .pins = pg_name##_pins, \
> + .npins = (unsigned int)ARRAY_SIZE(pg_name##_pins), \
> + .ctl_reg = REG_BASE + ctl, \
> + .io_reg = 0, \
> + .intr_cfg_reg = 0, \
> + .intr_status_reg = 0, \
> + .intr_target_reg = 0, \
> + .mux_bit = -1, \
> + .pull_bit = pull, \
> + .drv_bit = drv, \
> + .oe_bit = -1, \
> + .in_bit = -1, \
> + .out_bit = -1, \
> + .intr_enable_bit = -1, \
> + .intr_status_bit = -1, \
> + .intr_target_bit = -1, \
> + .intr_raw_status_bit = -1, \
> + .intr_polarity_bit = -1, \
> + .intr_detection_bit = -1, \
> + .intr_detection_width = -1, \
> + }
> +
> +#define UFS_RESET(pg_name, offset) \
> + { \
> + .name = #pg_name, \
> + .pins = pg_name##_pins, \
> + .npins = (unsigned int)ARRAY_SIZE(pg_name##_pins), \
> + .ctl_reg = offset, \
> + .io_reg = offset + 0x4, \
> + .intr_cfg_reg = 0, \
> + .intr_status_reg = 0, \
> + .intr_target_reg = 0, \
> + .mux_bit = -1, \
> + .pull_bit = 3, \
> + .drv_bit = 0, \
> + .oe_bit = -1, \
> + .in_bit = -1, \
> + .out_bit = 0, \
> + .intr_enable_bit = -1, \
> + .intr_status_bit = -1, \
> + .intr_target_bit = -1, \
> + .intr_raw_status_bit = -1, \
> + .intr_polarity_bit = -1, \
> + .intr_detection_bit = -1, \
> + .intr_detection_width = -1, \
> + }
> +
> +#define QUP_I3C(qup_mode, qup_offset) \
> + { \
> + .mode = qup_mode, \
> + .offset = qup_offset, \
> + }
> +
> +static const struct pinctrl_pin_desc qdru1000_pins[] = {
> + PINCTRL_PIN(0, "GPIO_0"),
> + PINCTRL_PIN(1, "GPIO_1"),
> + PINCTRL_PIN(2, "GPIO_2"),
> + PINCTRL_PIN(3, "GPIO_3"),

Nope. Header is not a place for this stuff.

Best regards,
Krzysztof