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-rw-r--r--src/soc/intel/common/block/gpio/Kconfig8
-rw-r--r--src/soc/intel/common/block/include/intelblocks/gpio_defs.h37
2 files changed, 35 insertions, 10 deletions
diff --git a/src/soc/intel/common/block/gpio/Kconfig b/src/soc/intel/common/block/gpio/Kconfig
index a1e98dbe7d..8879547514 100644
--- a/src/soc/intel/common/block/gpio/Kconfig
+++ b/src/soc/intel/common/block/gpio/Kconfig
@@ -53,4 +53,12 @@ config SOC_INTEL_COMMON_BLOCK_GPIO_LOCK_USING_PCR
Starting with MTL SoC, the recommendation is to use PCR for locking down the
GPIO configuration.
+# Indicate if SoC supports 4 bits Pad Mode with PAD_CFG_DW0 registers
+config SOC_INTEL_COMMON_BLOCK_GPIO_PMODE_4BITS
+ bool
+ default n
+ help
+ SoC user to select this config if Pad Mode (PMODE) width of PAD_CFG_DW0 regiser
+ is 4 bits to support Native Function 1 to 15.
+
endif
diff --git a/src/soc/intel/common/block/include/intelblocks/gpio_defs.h b/src/soc/intel/common/block/include/intelblocks/gpio_defs.h
index beff0a0f9b..3790ba41d8 100644
--- a/src/soc/intel/common/block/include/intelblocks/gpio_defs.h
+++ b/src/soc/intel/common/block/include/intelblocks/gpio_defs.h
@@ -5,6 +5,8 @@
#include <intelblocks/gpio.h>
+#define _BIT_WIDTH(x) ((1 << (x)) - 1)
+
#define PAD_CFG0_TX_STATE_BIT 0
#define PAD_CFG0_TX_STATE (1 << PAD_CFG0_TX_STATE_BIT)
#define PAD_CFG0_RX_STATE_BIT 1
@@ -12,16 +14,31 @@
#define PAD_CFG0_TX_DISABLE (1 << 8)
#define PAD_CFG0_RX_DISABLE (1 << 9)
#define PAD_CFG0_MODE_SHIFT 10
-#define PAD_CFG0_MODE_MASK (7 << 10)
-#define PAD_CFG0_MODE_GPIO (0 << 10)
-#define PAD_CFG0_MODE_FUNC(x) ((x) << 10)
-#define PAD_CFG0_MODE_NF1 (1 << 10)
-#define PAD_CFG0_MODE_NF2 (2 << 10)
-#define PAD_CFG0_MODE_NF3 (3 << 10)
-#define PAD_CFG0_MODE_NF4 (4 << 10)
-#define PAD_CFG0_MODE_NF5 (5 << 10)
-#define PAD_CFG0_MODE_NF6 (6 << 10)
-#define PAD_CFG0_MODE_NF7 (7 << 10)
+#if CONFIG(SOC_INTEL_COMMON_BLOCK_GPIO_PMODE_4BITS)
+#define PAD_CFG0_MODE_BIT_WIDTH _BIT_WIDTH(4)
+#else
+#define PAD_CFG0_MODE_BIT_WIDTH _BIT_WIDTH(3)
+#endif /* CONFIG_SOC_INTEL_COMMON_BLOCK_GPIO_PMODE_4BITS */
+#define PAD_CFG0_MODE_MASK (PAD_CFG0_MODE_BIT_WIDTH << PAD_CFG0_MODE_SHIFT)
+#define PAD_CFG0_MODE_FUNC(x) ((x) << PAD_CFG0_MODE_SHIFT)
+#define PAD_CFG0_MODE_GPIO PAD_CFG0_MODE_FUNC(0)
+#define PAD_CFG0_MODE_NF1 PAD_CFG0_MODE_FUNC(1)
+#define PAD_CFG0_MODE_NF2 PAD_CFG0_MODE_FUNC(2)
+#define PAD_CFG0_MODE_NF3 PAD_CFG0_MODE_FUNC(3)
+#define PAD_CFG0_MODE_NF4 PAD_CFG0_MODE_FUNC(4)
+#define PAD_CFG0_MODE_NF5 PAD_CFG0_MODE_FUNC(5)
+#define PAD_CFG0_MODE_NF6 PAD_CFG0_MODE_FUNC(6)
+#define PAD_CFG0_MODE_NF7 PAD_CFG0_MODE_FUNC(7)
+#if CONFIG(SOC_INTEL_COMMON_BLOCK_GPIO_PMODE_4BITS)
+#define PAD_CFG0_MODE_NF8 PAD_CFG0_MODE_FUNC(8)
+#define PAD_CFG0_MODE_NF9 PAD_CFG0_MODE_FUNC(9)
+#define PAD_CFG0_MODE_NF10 PAD_CFG0_MODE_FUNC(10)
+#define PAD_CFG0_MODE_NF11 PAD_CFG0_MODE_FUNC(11)
+#define PAD_CFG0_MODE_NF12 PAD_CFG0_MODE_FUNC(12)
+#define PAD_CFG0_MODE_NF13 PAD_CFG0_MODE_FUNC(13)
+#define PAD_CFG0_MODE_NF14 PAD_CFG0_MODE_FUNC(14)
+#define PAD_CFG0_MODE_NF15 PAD_CFG0_MODE_FUNC(15)
+#endif /* CONFIG_SOC_INTEL_COMMON_BLOCK_GPIO_PMODE_4BITS */
#define PAD_CFG0_ROUTE_MASK (0xF << 17)
#define PAD_CFG0_ROUTE_NMI (1 << 17)
#define PAD_CFG0_ROUTE_SMI (1 << 18)