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bfe-core1106-sdk/kernel/rv1106-enablement/pinctrl/0001-rv1106-pinctrl.patch
T
BFE EngineeringandClaude Opus 4.8 6eed265f35 kernel: pinctrl-rockchip.c COMPILES CLEAN on 6.18 + iomux offsets cross-validated 
M1 pinctrl ported from vendor 5.10 (effort S, no API drift): enum, DRV/PULL/SMT
macros + 3 calc fns, case RV1106 in the 3 pull fns + RK3568 drive group, pin_banks
+ pin_ctrl, of_device_id (dropped CPU_RV1106 guard). pinctrl-rockchip.o 173KB, no
errors. iomux DRV/PULL/SMT offsets cross-validated against the upstream Simon Glass
v3 patch (match with the 0x10000 per-bank IOC base) -> the boot-critical iomux
PORT-VERIFY is retired via a 3rd independent source, no hardware. Upstream tracked
as a correctness oracle (doesn't apply to 6.18 cleanly; unmerged).

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_017wB8KB3MMQztRDXCMCkPrf
2026-08-23 12:41:08 -06:00

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# RV1106 pinctrl support on Linux 6.18.46 (forward-ported from vendor 5.10). COMPILES CLEAN (pinctrl-rockchip.o 173688 bytes).
# iomux DRV/PULL/SMT offsets cross-validated against upstream Simon Glass v3 patch (match once the 0x10000-strided per-bank IOC base is applied).
--- a/drivers/pinctrl/pinctrl-rockchip.c 2026-08-23 06:27:10.000000000 -0600
+++ b/drivers/pinctrl/pinctrl-rockchip.c 2026-08-23 12:39:00.129754817 -0600
@@ -1466,6 +1466,166 @@
#define RV1108_DRV_PINS_PER_REG 8
#define RV1108_DRV_BANK_STRIDE 16
+#define RV1106_DRV_BITS_PER_PIN 8
+#define RV1106_DRV_PINS_PER_REG 2
+#define RV1106_DRV_GPIO0_OFFSET 0x10
+#define RV1106_DRV_GPIO1_OFFSET 0x80
+#define RV1106_DRV_GPIO2_OFFSET 0x100C0
+#define RV1106_DRV_GPIO3_OFFSET 0x20100
+#define RV1106_DRV_GPIO4_OFFSET 0x30020
+
+static int rv1106_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
+ int pin_num, struct regmap **regmap,
+ int *reg, u8 *bit)
+{
+ struct rockchip_pinctrl *info = bank->drvdata;
+
+ /* GPIO0_IOC is located in PMU */
+ switch (bank->bank_num) {
+ case 0:
+ *regmap = info->regmap_pmu;
+ *reg = RV1106_DRV_GPIO0_OFFSET;
+ break;
+
+ case 1:
+ *regmap = info->regmap_base;
+ *reg = RV1106_DRV_GPIO1_OFFSET;
+ break;
+
+ case 2:
+ *regmap = info->regmap_base;
+ *reg = RV1106_DRV_GPIO2_OFFSET;
+ break;
+
+ case 3:
+ *regmap = info->regmap_base;
+ *reg = RV1106_DRV_GPIO3_OFFSET;
+ break;
+
+ case 4:
+ *regmap = info->regmap_base;
+ *reg = RV1106_DRV_GPIO4_OFFSET;
+ break;
+
+ default:
+ dev_err(info->dev, "unsupported bank_num %d\n", bank->bank_num);
+ break;
+ }
+
+ *reg += ((pin_num / RV1106_DRV_PINS_PER_REG) * 4);
+ *bit = pin_num % RV1106_DRV_PINS_PER_REG;
+ *bit *= RV1106_DRV_BITS_PER_PIN;
+
+ return 0;
+}
+
+#define RV1106_PULL_BITS_PER_PIN 2
+#define RV1106_PULL_PINS_PER_REG 8
+#define RV1106_PULL_GPIO0_OFFSET 0x38
+#define RV1106_PULL_GPIO1_OFFSET 0x1C0
+#define RV1106_PULL_GPIO2_OFFSET 0x101D0
+#define RV1106_PULL_GPIO3_OFFSET 0x201E0
+#define RV1106_PULL_GPIO4_OFFSET 0x30070
+
+static int rv1106_calc_pull_reg_and_bit(struct rockchip_pin_bank *bank,
+ int pin_num, struct regmap **regmap,
+ int *reg, u8 *bit)
+{
+ struct rockchip_pinctrl *info = bank->drvdata;
+
+ /* GPIO0_IOC is located in PMU */
+ switch (bank->bank_num) {
+ case 0:
+ *regmap = info->regmap_pmu;
+ *reg = RV1106_PULL_GPIO0_OFFSET;
+ break;
+
+ case 1:
+ *regmap = info->regmap_base;
+ *reg = RV1106_PULL_GPIO1_OFFSET;
+ break;
+
+ case 2:
+ *regmap = info->regmap_base;
+ *reg = RV1106_PULL_GPIO2_OFFSET;
+ break;
+
+ case 3:
+ *regmap = info->regmap_base;
+ *reg = RV1106_PULL_GPIO3_OFFSET;
+ break;
+
+ case 4:
+ *regmap = info->regmap_base;
+ *reg = RV1106_PULL_GPIO4_OFFSET;
+ break;
+
+ default:
+ dev_err(info->dev, "unsupported bank_num %d\n", bank->bank_num);
+ break;
+ }
+
+ *reg += ((pin_num / RV1106_PULL_PINS_PER_REG) * 4);
+ *bit = pin_num % RV1106_PULL_PINS_PER_REG;
+ *bit *= RV1106_PULL_BITS_PER_PIN;
+
+ return 0;
+}
+
+#define RV1106_SMT_BITS_PER_PIN 1
+#define RV1106_SMT_PINS_PER_REG 8
+#define RV1106_SMT_GPIO0_OFFSET 0x40
+#define RV1106_SMT_GPIO1_OFFSET 0x280
+#define RV1106_SMT_GPIO2_OFFSET 0x10290
+#define RV1106_SMT_GPIO3_OFFSET 0x202A0
+#define RV1106_SMT_GPIO4_OFFSET 0x300A0
+
+static int rv1106_calc_schmitt_reg_and_bit(struct rockchip_pin_bank *bank,
+ int pin_num,
+ struct regmap **regmap,
+ int *reg, u8 *bit)
+{
+ struct rockchip_pinctrl *info = bank->drvdata;
+
+ /* GPIO0_IOC is located in PMU */
+ switch (bank->bank_num) {
+ case 0:
+ *regmap = info->regmap_pmu;
+ *reg = RV1106_SMT_GPIO0_OFFSET;
+ break;
+
+ case 1:
+ *regmap = info->regmap_base;
+ *reg = RV1106_SMT_GPIO1_OFFSET;
+ break;
+
+ case 2:
+ *regmap = info->regmap_base;
+ *reg = RV1106_SMT_GPIO2_OFFSET;
+ break;
+
+ case 3:
+ *regmap = info->regmap_base;
+ *reg = RV1106_SMT_GPIO3_OFFSET;
+ break;
+
+ case 4:
+ *regmap = info->regmap_base;
+ *reg = RV1106_SMT_GPIO4_OFFSET;
+ break;
+
+ default:
+ dev_err(info->dev, "unsupported bank_num %d\n", bank->bank_num);
+ break;
+ }
+
+ *reg += ((pin_num / RV1106_SMT_PINS_PER_REG) * 4);
+ *bit = pin_num % RV1106_SMT_PINS_PER_REG;
+ *bit *= RV1106_SMT_BITS_PER_PIN;
+
+ return 0;
+}
+
static int rv1108_calc_drv_reg_and_bit(struct rockchip_pin_bank *bank,
int pin_num, struct regmap **regmap,
int *reg, u8 *bit)
@@ -2751,7 +2911,8 @@
goto config;
} else if (ctrl->type == RK3528 ||
ctrl->type == RK3562 ||
- ctrl->type == RK3568) {
+ ctrl->type == RK3568 ||
+ ctrl->type == RV1106) {
rmask_bits = RK3568_DRV_BITS_PER_PIN;
ret = (1 << (strength + 1)) - 1;
goto config;
@@ -2888,6 +3049,7 @@
? PIN_CONFIG_BIAS_PULL_PIN_DEFAULT
: PIN_CONFIG_BIAS_DISABLE;
case PX30:
+ case RV1106:
case RV1108:
case RK3188:
case RK3288:
@@ -2949,6 +3111,7 @@
ret = regmap_write(regmap, reg, data);
break;
case PX30:
+ case RV1106:
case RV1108:
case RV1126:
case RK3188:
@@ -3218,6 +3381,7 @@
case RK3066B:
return pull ? false : true;
case PX30:
+ case RV1106:
case RV1108:
case RV1126:
case RK3188:
@@ -3960,6 +4124,48 @@
.schmitt_calc_reg = px30_calc_schmitt_reg_and_bit,
};
+static struct rockchip_pin_bank rv1106_pin_banks[] = {
+ PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0",
+ IOMUX_WIDTH_4BIT | IOMUX_SOURCE_PMU,
+ IOMUX_WIDTH_4BIT | IOMUX_SOURCE_PMU,
+ IOMUX_WIDTH_4BIT | IOMUX_SOURCE_PMU,
+ IOMUX_WIDTH_4BIT | IOMUX_SOURCE_PMU),
+ PIN_BANK_IOMUX_FLAGS_OFFSET(1, 32, "gpio1",
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ 0, 0x08, 0x10, 0x18),
+ PIN_BANK_IOMUX_FLAGS_OFFSET(2, 32, "gpio2",
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ 0x10020, 0x10028, 0, 0),
+ PIN_BANK_IOMUX_FLAGS_OFFSET(3, 32, "gpio3",
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ 0x20040, 0x20048, 0x20050, 0x20058),
+ PIN_BANK_IOMUX_FLAGS_OFFSET(4, 24, "gpio4",
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ IOMUX_WIDTH_4BIT,
+ 0,
+ 0x30000, 0x30008, 0x30010, 0),
+};
+
+static struct rockchip_pin_ctrl rv1106_pin_ctrl __maybe_unused = {
+ .pin_banks = rv1106_pin_banks,
+ .nr_banks = ARRAY_SIZE(rv1106_pin_banks),
+ .label = "RV1106-GPIO",
+ .type = RV1106,
+ .pull_calc_reg = rv1106_calc_pull_reg_and_bit,
+ .drv_calc_reg = rv1106_calc_drv_reg_and_bit,
+ .schmitt_calc_reg = rv1106_calc_schmitt_reg_and_bit,
+};
+
static struct rockchip_pin_bank rv1108_pin_banks[] = {
PIN_BANK_IOMUX_FLAGS(0, 32, "gpio0", IOMUX_SOURCE_PMU,
IOMUX_SOURCE_PMU,
@@ -4531,6 +4737,8 @@
static const struct of_device_id rockchip_pinctrl_dt_match[] = {
{ .compatible = "rockchip,px30-pinctrl",
.data = &px30_pin_ctrl },
+ { .compatible = "rockchip,rv1106-pinctrl",
+ .data = &rv1106_pin_ctrl },
{ .compatible = "rockchip,rv1108-pinctrl",
.data = &rv1108_pin_ctrl },
{ .compatible = "rockchip,rv1126-pinctrl",
--- a/drivers/pinctrl/pinctrl-rockchip.h 2026-08-23 06:27:10.000000000 -0600
+++ b/drivers/pinctrl/pinctrl-rockchip.h 2026-08-23 12:39:00.129754817 -0600
@@ -185,6 +185,7 @@
enum rockchip_pinctrl_type {
PX30,
+ RV1106,
RV1108,
RV1126,
RK2928,
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