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Message-ID: <20250821123310.94089-6-ravi.patel@samsung.com>
Date: Thu, 21 Aug 2025 18:02:49 +0530
From: Ravi Patel <ravi.patel@...sung.com>
To: jesper.nilsson@...s.com, mturquette@...libre.com, sboyd@...nel.org,
	robh@...nel.org, krzk+dt@...nel.org, conor+dt@...nel.org, krzk@...nel.org,
	s.nawrocki@...sung.com, cw00.choi@...sung.com, alim.akhtar@...sung.com,
	linus.walleij@...aro.org, tomasz.figa@...il.com, catalin.marinas@....com,
	will@...nel.org, arnd@...db.de
Cc: ksk4725@...sia.com, kenkim@...sia.com, pjsin865@...sia.com,
	gwk1013@...sia.com, hgkim05@...sia.com, mingyoungbo@...sia.com,
	smn1196@...sia.com, pankaj.dubey@...sung.com, shradha.t@...sung.com,
	ravi.patel@...sung.com, inbaraj.e@...sung.com, swathi.ks@...sung.com,
	hrishikesh.d@...sung.com, dj76.yang@...sung.com, hypmean.kim@...sung.com,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-samsung-soc@...r.kernel.org, linux-arm-kernel@...s.com,
	linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
	linux-gpio@...r.kernel.org, soc@...ts.linux.dev, Priyadarsini G
	<priya.ganesh@...sung.com>
Subject: [PATCH v2 05/10] pinctrl: samsung: Add ARTPEC-8 SoC specific
 configuration

From: SeonGu Kang <ksk4725@...sia.com>

Add Axis ARTPEC-8 SoC specific configuration data to enable pinctrl.

Signed-off-by: SeonGu Kang <ksk4725@...sia.com>
Signed-off-by: Priyadarsini G <priya.ganesh@...sung.com>
Signed-off-by: Ravi Patel <ravi.patel@...sung.com>
---
 .../pinctrl/samsung/pinctrl-exynos-arm64.c    | 50 +++++++++++++++++++
 drivers/pinctrl/samsung/pinctrl-exynos.h      | 10 ++++
 drivers/pinctrl/samsung/pinctrl-samsung.c     |  2 +
 drivers/pinctrl/samsung/pinctrl-samsung.h     |  1 +
 4 files changed, 63 insertions(+)

diff --git a/drivers/pinctrl/samsung/pinctrl-exynos-arm64.c b/drivers/pinctrl/samsung/pinctrl-exynos-arm64.c
index dd07720e32cc..ee3b488b00ff 100644
--- a/drivers/pinctrl/samsung/pinctrl-exynos-arm64.c
+++ b/drivers/pinctrl/samsung/pinctrl-exynos-arm64.c
@@ -76,6 +76,15 @@ static const struct samsung_pin_bank_type exynos8895_bank_type_off  = {
 	.reg_offset = { 0x00, 0x04, 0x08, 0x0c, 0x10, 0x14, },
 };
 
+/*
+ * Bank type for non-alive type. Bit fields:
+ * CON: 4, DAT: 1, PUD: 4, DRV: 4
+ */
+static const struct samsung_pin_bank_type artpec_bank_type_off = {
+	.fld_width = { 4, 1, 4, 4, },
+	.reg_offset = { 0x00, 0x04, 0x08, 0x0c, },
+};
+
 /* Pad retention control code for accessing PMU regmap */
 static atomic_t exynos_shared_retention_refcnt;
 
@@ -1814,3 +1823,44 @@ const struct samsung_pinctrl_of_match_data gs101_of_data __initconst = {
 	.ctrl		= gs101_pin_ctrl,
 	.num_ctrl	= ARRAY_SIZE(gs101_pin_ctrl),
 };
+
+/* pin banks of artpec8 pin-controller (FSYS0) */
+static const struct samsung_pin_bank_data artpec8_pin_banks0[] __initconst = {
+	ARTPEC_PIN_BANK_EINTG(5, 0x000, "gpf0", 0x00),
+	ARTPEC_PIN_BANK_EINTG(4, 0x020, "gpf1", 0x04),
+	ARTPEC_PIN_BANK_EINTG(8, 0x040, "gpf2", 0x08),
+	ARTPEC_PIN_BANK_EINTG(4, 0x060, "gpf3", 0x0c),
+	ARTPEC_PIN_BANK_EINTG(7, 0x080, "gpf4", 0x10),
+	ARTPEC_PIN_BANK_EINTG(8, 0x0a0, "gpe0", 0x14),
+	ARTPEC_PIN_BANK_EINTG(8, 0x0c0, "gpe1", 0x18),
+	ARTPEC_PIN_BANK_EINTG(6, 0x0e0, "gpe2", 0x1c),
+	ARTPEC_PIN_BANK_EINTG(8, 0x100, "gps0", 0x20),
+	ARTPEC_PIN_BANK_EINTG(8, 0x120, "gps1", 0x24),
+};
+
+/* pin banks of artpec8 pin-controller (PERIC) */
+static const struct samsung_pin_bank_data artpec8_pin_banks1[] __initconst = {
+	ARTPEC_PIN_BANK_EINTG(8, 0x000, "gpa0", 0x00),
+	ARTPEC_PIN_BANK_EINTG(8, 0x020, "gpa1", 0x04),
+	ARTPEC_PIN_BANK_EINTG(8, 0x040, "gpa2", 0x08),
+	ARTPEC_PIN_BANK_EINTG(2, 0x060, "gpk0", 0x0c),
+};
+
+static const struct samsung_pin_ctrl artpec8_pin_ctrl[] __initconst = {
+	{
+		/* pin-controller instance 0 FSYS data */
+		.pin_banks	= artpec8_pin_banks0,
+		.nr_banks	= ARRAY_SIZE(artpec8_pin_banks0),
+		.eint_gpio_init	= exynos_eint_gpio_init,
+	}, {
+		/* pin-controller instance 1 PERIC data */
+		.pin_banks	= artpec8_pin_banks1,
+		.nr_banks	= ARRAY_SIZE(artpec8_pin_banks1),
+		.eint_gpio_init	= exynos_eint_gpio_init,
+	},
+};
+
+const struct samsung_pinctrl_of_match_data artpec8_of_data __initconst = {
+	.ctrl		= artpec8_pin_ctrl,
+	.num_ctrl	= ARRAY_SIZE(artpec8_pin_ctrl),
+};
diff --git a/drivers/pinctrl/samsung/pinctrl-exynos.h b/drivers/pinctrl/samsung/pinctrl-exynos.h
index b483270ddc53..6bc04cb5ac9f 100644
--- a/drivers/pinctrl/samsung/pinctrl-exynos.h
+++ b/drivers/pinctrl/samsung/pinctrl-exynos.h
@@ -216,6 +216,16 @@
 		.name			= id				\
 	}
 
+#define ARTPEC_PIN_BANK_EINTG(pins, reg, id, offs)			\
+	{								\
+		.type			= &artpec_bank_type_off,	\
+		.pctl_offset		= reg,				\
+		.nr_pins		= pins,				\
+		.eint_type		= EINT_TYPE_GPIO,		\
+		.eint_offset		= offs,				\
+		.name			= id				\
+	}
+
 /**
  * struct exynos_weint_data: irq specific data for all the wakeup interrupts
  * generated by the external wakeup interrupt controller.
diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.c b/drivers/pinctrl/samsung/pinctrl-samsung.c
index 2896eb2de2c0..993efba5a9ad 100644
--- a/drivers/pinctrl/samsung/pinctrl-samsung.c
+++ b/drivers/pinctrl/samsung/pinctrl-samsung.c
@@ -1468,6 +1468,8 @@ static const struct of_device_id samsung_pinctrl_dt_match[] = {
 		.data = &s5pv210_of_data },
 #endif
 #ifdef CONFIG_PINCTRL_EXYNOS_ARM64
+	{ .compatible = "axis,artpec8-pinctrl",
+		.data = &artpec8_of_data },
 	{ .compatible = "google,gs101-pinctrl",
 		.data = &gs101_of_data },
 	{ .compatible = "samsung,exynos2200-pinctrl",
diff --git a/drivers/pinctrl/samsung/pinctrl-samsung.h b/drivers/pinctrl/samsung/pinctrl-samsung.h
index 3cf758df7d69..bfd88ad2f3ff 100644
--- a/drivers/pinctrl/samsung/pinctrl-samsung.h
+++ b/drivers/pinctrl/samsung/pinctrl-samsung.h
@@ -377,6 +377,7 @@ struct samsung_pmx_func {
 };
 
 /* list of all exported SoC specific data */
+extern const struct samsung_pinctrl_of_match_data artpec8_of_data;
 extern const struct samsung_pinctrl_of_match_data exynos2200_of_data;
 extern const struct samsung_pinctrl_of_match_data exynos3250_of_data;
 extern const struct samsung_pinctrl_of_match_data exynos4210_of_data;
-- 
2.49.0

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