Messages in this thread | | | Subject | Re: [PATCH v3 3/5] pinctrl: qcom: Move chip specific functions to right files | From | Srinivas Kandagatla <> | Date | Wed, 1 Dec 2021 10:41:25 +0000 |
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On 29/11/2021 09:58, Srinivasa Rao Mandadapu wrote: > Update lpass lpi pin control driver to accommodate new lpass variant > SoC specific drivers. > Move sm8250 SoC specific functions to pinctrl-sm8250-lpass-lpi.c file > and common declarations to pinctrl-lpass-lpi.h header file. > > Signed-off-by: Srinivasa Rao Mandadapu <srivasam@codeaurora.org> > Co-developed-by: Venkata Prasad Potturu <potturu@codeaurora.org> > Signed-off-by: Venkata Prasad Potturu <potturu@codeaurora.org> > --- > drivers/pinctrl/qcom/Makefile | 1 + > drivers/pinctrl/qcom/pinctrl-lpass-lpi.c | 251 +----------------------- > drivers/pinctrl/qcom/pinctrl-lpass-lpi.h | 139 +++++++++++++ > drivers/pinctrl/qcom/pinctrl-sm8250-lpass-lpi.c | 125 ++++++++++++ > 4 files changed, 271 insertions(+), 245 deletions(-) > create mode 100644 drivers/pinctrl/qcom/pinctrl-lpass-lpi.h > create mode 100644 drivers/pinctrl/qcom/pinctrl-sm8250-lpass-lpi.c > > diff --git a/drivers/pinctrl/qcom/Makefile b/drivers/pinctrl/qcom/Makefile > index 7a12e8c..74568cf 100644 > --- a/drivers/pinctrl/qcom/Makefile > +++ b/drivers/pinctrl/qcom/Makefile > @@ -37,3 +37,4 @@ obj-$(CONFIG_PINCTRL_SM8150) += pinctrl-sm8150.o > obj-$(CONFIG_PINCTRL_SM8250) += pinctrl-sm8250.o > obj-$(CONFIG_PINCTRL_SM8350) += pinctrl-sm8350.o > obj-$(CONFIG_PINCTRL_LPASS_LPI) += pinctrl-lpass-lpi.o > +obj-$(CONFIG_PINCTRL_LPASS_LPI) += pinctrl-sm8250-lpass-lpi.o
This is confusing, either we make new CONFIG_PINCTRL_SM8250_LPASS_LPI here and use it for pinctrl-sm8250-lpass-lpi.o
> diff --git a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c > index 2f19ab4..2641489 100644 > --- a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c > +++ b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.c > @@ -4,237 +4,16 @@ > * Copyright (c) 2020 Linaro Ltd. > */ > > -#include <linux/bitops.h> > -#include <linux/bitfield.h>
Looks like some of these are removed without a reason.
> #include <linux/clk.h> > #include <linux/gpio/driver.h> > -#include <linux/io.h> > -#include <linux/module.h> > #include <linux/of_device.h> > -#include <linux/of.h> > #include <linux/pinctrl/pinconf-generic.h> > #include <linux/pinctrl/pinconf.h> > #include <linux/pinctrl/pinmux.h> > -#include <linux/platform_device.h> > -#include <linux/slab.h> > -#include <linux/types.h> > #include "../core.h" > #include "../pinctrl-utils.h" > +#include "pinctrl-lpass-lpi.h"
...
> - > -module_platform_driver(lpi_pinctrl_driver); > -MODULE_DESCRIPTION("QTI LPI GPIO pin control driver"); > -MODULE_LICENSE("GPL");
if you build this as Modules your build would fail without MODULE_LICENSE().
> diff --git a/drivers/pinctrl/qcom/pinctrl-lpass-lpi.h b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.h > new file mode 100644 > index 0000000..b0afb40 > --- /dev/null > +++ b/drivers/pinctrl/qcom/pinctrl-lpass-lpi.h > @@ -0,0 +1,139 @@ > +/* SPDX-License-Identifier: GPL-2.0-only */ > +/* > + * Copyright (c) 2016-2019, The Linux Foundation. All rights reserved. > + * Copyright (c) 2020 Linaro Ltd. > + */ > +#ifndef __PINCTRL_LPASS_LPI_H__ > +#define __PINCTRL_LPASS_LPI_H__ > + > +#define LPI_SLEW_RATE_CTL_REG 0xa000 > +#define LPI_TLMM_REG_OFFSET 0x1000 > +#define LPI_SLEW_RATE_MAX 0x03 > +#define LPI_SLEW_BITS_SIZE 0x02 > +#define LPI_SLEW_RATE_MASK GENMASK(1, 0) > +#define LPI_GPIO_CFG_REG 0x00 > +#define LPI_GPIO_PULL_MASK GENMASK(1, 0) > +#define LPI_GPIO_FUNCTION_MASK GENMASK(5, 2) > +#define LPI_GPIO_OUT_STRENGTH_MASK GENMASK(8, 6) > +#define LPI_GPIO_OE_MASK BIT(9) > +#define LPI_GPIO_VALUE_REG 0x04 > +#define LPI_GPIO_VALUE_IN_MASK BIT(0) > +#define LPI_GPIO_VALUE_OUT_MASK BIT(1) > + > +#define LPI_GPIO_BIAS_DISABLE 0x0 > +#define LPI_GPIO_PULL_DOWN 0x1 > +#define LPI_GPIO_KEEPER 0x2 > +#define LPI_GPIO_PULL_UP 0x3 > +#define LPI_GPIO_DS_TO_VAL(v) (v / 2 - 1) > +#define NO_SLEW -1 > + > +#define LPI_FUNCTION(fname) \ > + [LPI_MUX_##fname] = { \ > + .name = #fname, \ > + .groups = fname##_groups, \ > + .ngroups = ARRAY_SIZE(fname##_groups), \ > + } > + > +#define LPI_PINGROUP(id, soff, f1, f2, f3, f4) \ > + { \ > + .name = "gpio" #id, \ > + .pins = gpio##id##_pins, \ > + .pin = id, \ > + .slew_offset = soff, \ > + .npins = ARRAY_SIZE(gpio##id##_pins), \ > + .funcs = (int[]){ \ > + LPI_MUX_gpio, \ > + LPI_MUX_##f1, \ > + LPI_MUX_##f2, \ > + LPI_MUX_##f3, \ > + LPI_MUX_##f4, \ > + }, \ > + .nfuncs = 5, \ > + } > + > +struct lpi_pingroup { > + const char *name; > + const unsigned int *pins; > + unsigned int npins; > + unsigned int pin; > + /* Bit offset in slew register for SoundWire pins only */ > + int slew_offset; > + unsigned int *funcs; > + unsigned int nfuncs; > +}; > + > +struct lpi_function { > + const char *name; > + const char * const *groups; > + unsigned int ngroups; > +}; > + > +struct lpi_pinctrl_variant_data { > + const struct pinctrl_pin_desc *pins; > + int npins; > + const struct lpi_pingroup *groups; > + int ngroups; > + const struct lpi_function *functions; > + int nfunctions; > +}; > + > +#define MAX_LPI_NUM_CLKS 2 > + > +struct lpi_pinctrl { > + struct device *dev; > + struct pinctrl_dev *ctrl; > + struct gpio_chip chip; > + struct pinctrl_desc desc; > + char __iomem *tlmm_base; > + char __iomem *slew_base; > + struct clk_bulk_data clks[MAX_LPI_NUM_CLKS]; > + struct mutex slew_access_lock; > + const struct lpi_pinctrl_variant_data *data; > +}; > +
From here <<<
> +enum lpass_lpi_functions { > + LPI_MUX_dmic1_clk, > + LPI_MUX_dmic1_data, > + LPI_MUX_dmic2_clk, > + LPI_MUX_dmic2_data, > + LPI_MUX_dmic3_clk, > + LPI_MUX_dmic3_data, > + LPI_MUX_i2s1_clk, > + LPI_MUX_i2s1_data, > + LPI_MUX_i2s1_ws, > + LPI_MUX_i2s2_clk, > + LPI_MUX_i2s2_data, > + LPI_MUX_i2s2_ws, > + LPI_MUX_qua_mi2s_data, > + LPI_MUX_qua_mi2s_sclk, > + LPI_MUX_qua_mi2s_ws, > + LPI_MUX_swr_rx_clk, > + LPI_MUX_swr_rx_data, > + LPI_MUX_swr_tx_clk, > + LPI_MUX_swr_tx_data, > + LPI_MUX_wsa_swr_clk, > + LPI_MUX_wsa_swr_data, > + LPI_MUX_gpio, > + LPI_MUX__, > +}; > + > +static const unsigned int gpio0_pins[] = { 0 }; > +static const unsigned int gpio1_pins[] = { 1 }; > +static const unsigned int gpio2_pins[] = { 2 }; > +static const unsigned int gpio3_pins[] = { 3 }; > +static const unsigned int gpio4_pins[] = { 4 }; > +static const unsigned int gpio5_pins[] = { 5 }; > +static const unsigned int gpio6_pins[] = { 6 }; > +static const unsigned int gpio7_pins[] = { 7 }; > +static const unsigned int gpio8_pins[] = { 8 }; > +static const unsigned int gpio9_pins[] = { 9 }; > +static const unsigned int gpio10_pins[] = { 10 }; > +static const unsigned int gpio11_pins[] = { 11 }; > +static const unsigned int gpio12_pins[] = { 12 }; > +static const unsigned int gpio13_pins[] = { 13 }; >>> to here are specific to sm8250, so it should not be in header file to start with.
> + > +int lpi_pinctrl_probe(struct platform_device *pdev); > +int lpi_pinctrl_remove(struct platform_device *pdev); > + > +#endif /*__PINCTRL_LPASS_LPI_H__*/ > + > diff --git a/drivers/pinctrl/qcom/pinctrl-sm8250-lpass-lpi.c b/drivers/pinctrl/qcom/pinctrl-sm8250-lpass-lpi.c > new file mode 100644 > index 0000000..3eba8b3 > --- /dev/null > +++ b/drivers/pinctrl/qcom/pinctrl-sm8250-lpass-lpi.c > @@ -0,0 +1,125 @@ > +// SPDX-License-Identifier: GPL-2.0-only > +/*
...
> + > +static struct platform_driver lpi_pinctrl_driver = { > + .driver = { > + .name = "qcom-sm8250-lpass-lpi-pinctrl", > + .of_match_table = lpi_pinctrl_of_match, > + }, > + .probe = lpi_pinctrl_probe, > + .remove = lpi_pinctrl_remove, > +}; > + > +module_platform_driver(lpi_pinctrl_driver); > +MODULE_DESCRIPTION("QTI LPI GPIO pin control driver");
may be : "SM8250 LPI GPIO pin control driver"
--srini > +MODULE_LICENSE("GPL"); > + >
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