- 25 Feb, 2022 5 commits
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Geert Uytterhoeven authored
Add pins, groups, and functions for the I2C Bus Interfaces (I2C) on the Renesas R-Car S4-8 (R8A779F0) SoC. Extracted from a larger patch in the BSP by LUU HOAI. Signed-off-by:
Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by:
Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/217f5b3e3888b5899c375d3cb1ec8780f6a9e19b.1645457792.git.geert+renesas@glider.be
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Geert Uytterhoeven authored
Add pins, groups, and functions for the Serial Communication Interfaces with FIFO (SCIF) on the Renesas R-Car S4-8 (R8A779F0) SoC. Extracted from a larger patch in the BSP by LUU HOAI. Signed-off-by:
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Geert Uytterhoeven authored
Add initial Pin Function Controller (PFC) support for the Renesas R-Car S4-8 (R8A779F0) SoC, including bias, drive strength and voltage control. Based on a larger patch in the BSP by LUU HOAI. Signed-off-by:
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Geert Uytterhoeven authored
Add PORT_GP_CFG_19() and PORT_GP_19() helper macros, to be used by the r8a779f0 subdriver. Based on a larger patch in the BSP by LUU HOAI. Signed-off-by:
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LUU HOAI authored
Document Pin Function Controller (PFC) support for the Renesas R-Car S4-8 (R8A779F0) SoC. Signed-off-by:
LUU HOAI <hoai.luu.ub@renesas.com> Signed-off-by:
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- 24 Feb, 2022 2 commits
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Geert Uytterhoeven authored
Linus reports that some Renesas pin control sub-drivers are still including <linux/gpio.h> instead of <linux/gpio/driver.h>. As these sub-drivers don't need either, the includes can just be removed. Reported-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
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Geert Uytterhoeven authored
The checker failed to validate all enum IDs in the description of a register with fixed-width register fields, due to a miscalculation of the number of described states: each register field of n bits can have "1 << n" possible states, not "1". Increase SH_PFC_MAX_ENUMS accordingly, now more enum IDs are checked (SH-Mobile AG5 has more than 4000 enum IDs defined). Fixes: 12d057ba ("pinctrl: sh-pfc: checker: Add check for enum ID conflicts") Signed-off-by:
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- 22 Feb, 2022 33 commits
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Geert Uytterhoeven authored
Check that there is only a single entry for each pin with drive strength capabilities. Signed-off-by:
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Geert Uytterhoeven authored
Check that there is only a single entry for each pin with pull-up and/or pull-down capabilities. Signed-off-by:
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Geert Uytterhoeven authored
Validate consistency of the pin control tables for pins with I/O voltage capabilities. If a pin has I/O voltage register bits declarations through .pin_to_pocctrl(), the SH_PFC_PIN_CFG_IO_VOLTAGE flag should be set in the pin's configs, and vice versa. Signed-off-by:
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Geert Uytterhoeven authored
Validate consistency of the pin control tables for pins with drive strength capabilities. If a pin has drive strength register bits declarations in drive_regs[], the SH_PFC_PIN_CFG_DRIVE_STRENGTH flag should be set in the pin's configs, and vice versa. Signed-off-by:
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Geert Uytterhoeven authored
Validate consistency of the pin control tables for pins with pull-up and/or pull-down capabilities. If a pin has bias register bits declarations in bias_regs[] or through .pin_to_portcr(), the corresponding SH_PFC_PIN_CFG_PULL* flags should be set in the pin's configs, and vice versa, and the .get_bias() and .set_bias() callbacks should be implemented. Signed-off-by:
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Geert Uytterhoeven authored
Add checks for discovering pin groups that could share pin data, as sharing reduces kernel size. Signed-off-by:
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Geert Uytterhoeven authored
Simplify the helper that checks if two strings are valid and identical. Signed-off-by:
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Geert Uytterhoeven authored
Currently rcar_pin_to_bias_reg() takes a struct sh_pfc pointer, which is only available after the pin control driver has been initialized, thus preventing the checker from calling this function for validating consistency of the pin control tables. Fix this by replacing the parameter by a struct sh_pfc_soc_info pointer. Signed-off-by:
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Geert Uytterhoeven authored
All implementations of the .pin_to_portcr() method implement the same conversion from Port Control Register offset to virtual address. Factor it out into the two callers. Remove the pfc parameter, as it is no longer used. Note that the failure handling in r8a7740_pin_to_portcr() is pro forma, as the function is never called with an invalid pin number. Signed-off-by:
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Geert Uytterhoeven authored
The pfc parameter of the .pin_to_pocctrl() method was never used. It is a relic of the old I/O voltage handling before commit 8775306d ("pinctrl: sh-pfc: refactor voltage setting"). Remove the parameter, as it prevents the checker from calling this function for validating consistency of the pin control tables. Signed-off-by:
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Geert Uytterhoeven authored
Pin group vin4_g8 is a subset of vin4_data24_a. Pin group vin5_high8 is a subset of vin5_data16_a. This reduces kernel size by 128 bytes. Signed-off-by:
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Geert Uytterhoeven authored
Pin group vin4_g8 is a subset of vin4_data24_a. Pin group vin5_high8 is a subset of vin5_data16. This reduces kernel size by 128 bytes. Signed-off-by:
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Geert Uytterhoeven authored
Pin group vin4_g8 is a subset of vin4_data24_a. Pin group vin5_high8 is a subset of vin5_data16. This reduces kernel size by 128 bytes. Signed-off-by:
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Geert Uytterhoeven authored
Pin group vin4_g8 is a subset of vin4_data24_a. Pin group vin5_high8 is a subset of vin5_data16. This reduces kernel size by 128 bytes. Signed-off-by:
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Geert Uytterhoeven authored
Pin group vin2_g8 is a subset of vin2_data24. This reduces kernel size by 64 bytes. Signed-off-by:
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Geert Uytterhoeven authored
Pin group usb0_ovc_vbus is a subset of usb0. Pin group usb1_pwen is a subset of usb1. This reduces kernel size by 16 bytes. Signed-off-by:
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Geert Uytterhoeven authored
Pin groups sdi0_data[14] are subsets of sdi0_data8. Pin groups sdi[12]_data1 are subsets of sdi[12]_data4. This reduces kernel size by 56 bytes. Signed-off-by:
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Geert Uytterhoeven authored
Pin groups sdhi[012]_data1 are subsets of sdhi[012]_data4. This reduces kernel size by 24 bytes. Signed-off-by:
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Geert Uytterhoeven authored
Pin groups sdhi[01]_data1 are subsets of sdhi[01]_data4. Pin groups sdhi3_data[14] are subsets of sdhi3_data8. This reduces kernel size by 56 bytes. Signed-off-by:
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Geert Uytterhoeven authored
Pin groups sdhi[01]_data1 are subsets of sdhi[01]_data4. Pin groups sdhi[23]_data[14] are subsets of sdhi[23]_data8. This reduces kernel size by 96 bytes. Signed-off-by:
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Geert Uytterhoeven authored
Pin groups sdhi[01]_data1 are subsets of sdhi[01]_data4. Pin groups sdhi[23]_data[14] are subsets of sdhi[23]_data8. This reduces kernel size by 96 bytes. Signed-off-by:
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Geert Uytterhoeven authored
Pin groups sdhi[01]_data1 are subsets of sdhi[01]_data4. Pin groups sdhi[23]_data[14] are subsets of sdhi[23]_data8. This reduces kernel size by 96 bytes. Signed-off-by:
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Geert Uytterhoeven authored
Pin groups sdhi[01]_data1 are subsets of sdhi[01]_data4. Pin groups sdhi[23]_data[14] are subsets of sdhi[23]_data8. This reduces kernel size by 96 bytes. Signed-off-by:
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Geert Uytterhoeven authored
Pin groups sdhi[012]_data1 are subsets of sdhi[012]_data4. This reduces kernel size by 24 bytes. Signed-off-by:
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Geert Uytterhoeven authored
Pin group sdhi0_data1 is a subset of sdhi0_data4. This reduces kernel size by 8 bytes. Signed-off-by:
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Geert Uytterhoeven authored
Pin groups sdhi[012]_data1 are subsets of sdhi[012]_data4. This reduces kernel size by 24 bytes. Signed-off-by:
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Geert Uytterhoeven authored
Pin groups sdhi[0-3]_data1 are subsets of sdhi[0-3]_data4. This reduces kernel size by 32 bytes. Signed-off-by:
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Geert Uytterhoeven authored
Pin groups sdhi[0-3]_data1 are subsets of sdhi[0-3]_data4. This reduces kernel size by 32 bytes. Signed-off-by:
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Geert Uytterhoeven authored
Pin group sdhi0_data1 is a subset of sdhi0_data4. Pin groups sdhi[12]_data1_[ab] are subsets of sdhi[12]_data4_[ab]. This reduces kernel size by 40 bytes. Signed-off-by:
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Geert Uytterhoeven authored
Pin groups sdhi[02]_data1 are subsets of sdhi[02]_data4. This reduces kernel size by 16 bytes. Signed-off-by:
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Geert Uytterhoeven authored
Pin groups sdhi[012]_data1 are subsets of sdhi[012]_data4. This reduces kernel size by 24 bytes. Signed-off-by:
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Geert Uytterhoeven authored
Pin groups sdhi[012]_data1 are subsets of sdhi[012]_data4. This reduces kernel size by 24 bytes. Signed-off-by:
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Geert Uytterhoeven authored
Pin groups qspi[01]_data[24] are subsets of rpc_data. Pin group rpc_clk1 is a subset of rpc_clk2. This reduces kernel size by 104 bytes. Signed-off-by:
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