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pinctrl: samsung: Add GPF support for Exynos5433

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This patch add the support of GPF[1-5] pin of Exynos5433 SoC. The GPFx need
to support the multiple memory map because the registers of GPFx are located
in the different domain.

Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Tomasz Figa <tomasz.figa@gmail.com>
Cc: Krzysztof Kozlowski <krzk@kernel.org>
Cc: Sylwester Nawrocki <s.nawrocki@samsung.com>
Cc: Kukjin Kim <kgene@kernel.org>
Cc: linux-gpio@vger.kernel.org
Signed-off-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Chanwoo Choi 2016-11-09 17:40:11 +09:00 committed by Linus Walleij
parent 8b1bd11c1f
commit ac8130e94c
2 changed files with 25 additions and 0 deletions
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19
Documentation/devicetree/bindings/pinctrl/samsung-pinctrl.txt
View File

@ -19,11 +19,30 @@ Required Properties:
- "samsung,exynos5260-pinctrl": for Exynos5260 compatible pin-controller. - "samsung,exynos5260-pinctrl": for Exynos5260 compatible pin-controller.
- "samsung,exynos5410-pinctrl": for Exynos5410 compatible pin-controller. - "samsung,exynos5410-pinctrl": for Exynos5410 compatible pin-controller.
- "samsung,exynos5420-pinctrl": for Exynos5420 compatible pin-controller. - "samsung,exynos5420-pinctrl": for Exynos5420 compatible pin-controller.
- "samsung,exynos5433-pinctrl": for Exynos5433 compatible pin-controller.
- "samsung,exynos7-pinctrl": for Exynos7 compatible pin-controller. - "samsung,exynos7-pinctrl": for Exynos7 compatible pin-controller.
- reg: Base address of the pin controller hardware module and length of - reg: Base address of the pin controller hardware module and length of
the address space it occupies. the address space it occupies.
- reg: Second base address of the pin controller if the specific registers
of the pin controller are separated into the different base address.
Eg: GPF[1-5] of Exynos5433 are separated into the two base address.
- First base address is for GPAx and GPF[1-5] external interrupt
registers.
- Second base address is for GPF[1-5] pinctrl registers.
pinctrl_0: pinctrl@10580000 {
compatible = "samsung,exynos5433-pinctrl";
reg = <0x10580000 0x1a20>, <0x11090000 0x100>;
wakeup-interrupt-controller {
compatible = "samsung,exynos7-wakeup-eint";
interrupts = <0 16 0>;
};
};
- Pin banks as child nodes: Pin banks of the controller are represented by child - Pin banks as child nodes: Pin banks of the controller are represented by child
nodes of the controller node. Bank name is taken from name of the node. Each nodes of the controller node. Bank name is taken from name of the node. Each
bank node must contain following properties: bank node must contain following properties:

6
drivers/pinctrl/samsung/pinctrl-exynos.c
View File

@ -1339,6 +1339,11 @@ static const struct samsung_pin_bank_data exynos5433_pin_banks0[] = {
EXYNOS_PIN_BANK_EINTW(8, 0x020, "gpa1", 0x04), EXYNOS_PIN_BANK_EINTW(8, 0x020, "gpa1", 0x04),
EXYNOS_PIN_BANK_EINTW(8, 0x040, "gpa2", 0x08), EXYNOS_PIN_BANK_EINTW(8, 0x040, "gpa2", 0x08),
EXYNOS_PIN_BANK_EINTW(8, 0x060, "gpa3", 0x0c), EXYNOS_PIN_BANK_EINTW(8, 0x060, "gpa3", 0x0c),
EXYNOS_PIN_BANK_EINTW_EXT(8, 0x020, "gpf1", 0x1004, 1),
EXYNOS_PIN_BANK_EINTW_EXT(4, 0x040, "gpf2", 0x1008, 1),
EXYNOS_PIN_BANK_EINTW_EXT(4, 0x060, "gpf3", 0x100c, 1),
EXYNOS_PIN_BANK_EINTW_EXT(8, 0x080, "gpf4", 0x1010, 1),
EXYNOS_PIN_BANK_EINTW_EXT(8, 0x0a0, "gpf5", 0x1014, 1),
}; };
/* pin banks of exynos5433 pin-controller - AUD */ /* pin banks of exynos5433 pin-controller - AUD */
@ -1420,6 +1425,7 @@ const struct samsung_pin_ctrl exynos5433_pin_ctrl[] = {
.eint_wkup_init = exynos_eint_wkup_init, .eint_wkup_init = exynos_eint_wkup_init,
.suspend = exynos_pinctrl_suspend, .suspend = exynos_pinctrl_suspend,
.resume = exynos_pinctrl_resume, .resume = exynos_pinctrl_resume,
.nr_ext_resources = 1,
}, { }, {
/* pin-controller instance 1 data */ /* pin-controller instance 1 data */
.pin_banks = exynos5433_pin_banks1, .pin_banks = exynos5433_pin_banks1,