[PATCH] soc: renesas: rz-sysc: Remove SYS_I3C_CFG register

[PATCH] soc: renesas: rz-sysc: Remove SYS_I3C_CFG register

[Diogo Ivo]

As per the Renesas HW team this register was unintentionally left
in the HW manual of both the RZ/G3S and RZ/G3L and should be removed
from the code, so do it. No functional changes intended.

Signed-off-by: Diogo Ivo <diogo.ivo.sx@renesas.com>
---
 drivers/soc/renesas/r9a08g045-sysc.c | 2 --
 drivers/soc/renesas/r9a08g046-sysc.c | 2 --
 2 files changed, 4 deletions(-)

diff --git a/drivers/soc/renesas/r9a08g045-sysc.c b/drivers/soc/renesas/r9a08g045-sysc.c
index 63e4aa6a7cd0..be263c675a24 100644
--- a/drivers/soc/renesas/r9a08g045-sysc.c
+++ b/drivers/soc/renesas/r9a08g045-sysc.c
@@ -25,7 +25,6 @@
 #define SYS_I2C1_CFG			0x410
 #define SYS_I2C2_CFG			0x420
 #define SYS_I2C3_CFG			0x430
-#define SYS_I3C_CFG			0x440
 #define SYS_USB_PWRRDY			0xd70
 #define SYS_PCIE_RST_RSM_B		0xd74
 
@@ -50,7 +49,6 @@ static bool rzg3s_regmap_readable_writeable_reg(unsigned int reg)
 	case SYS_I2C1_CFG:
 	case SYS_I2C2_CFG:
 	case SYS_I2C3_CFG:
-	case SYS_I3C_CFG:
 	case SYS_USB_PWRRDY:
 	case SYS_PCIE_RST_RSM_B:
 		return true;
diff --git a/drivers/soc/renesas/r9a08g046-sysc.c b/drivers/soc/renesas/r9a08g046-sysc.c
index cd129c727461..679700dde2f8 100644
--- a/drivers/soc/renesas/r9a08g046-sysc.c
+++ b/drivers/soc/renesas/r9a08g046-sysc.c
@@ -24,7 +24,6 @@
 #define SYS_I2C1_CFG			0x410
 #define SYS_I2C2_CFG			0x420
 #define SYS_I2C3_CFG			0x430
-#define SYS_I3C_CFG			0x440
 #define SYS_PWRRDY_N			0xd70
 #define SYS_IPCONT_SEL_CLONECH		0xe2c
 
@@ -41,7 +40,6 @@ static bool rzg3l_regmap_readable_writeable_reg(unsigned int reg)
 	case SYS_I2C1_CFG:
 	case SYS_I2C2_CFG:
 	case SYS_I2C3_CFG:
-	case SYS_I3C_CFG:
 	case SYS_PWRRDY_N:
 	case SYS_IPCONT_SEL_CLONECH:
 		return true;

---
base-commit: 9ef27a3fd1e6674e1c7e18ffbf30349463fc5a86
change-id: 20261029-divo-ssgrlpcsrc-2966-i3c-anf-85d4aaad555c

Best regards,
--  
Diogo Ivo <diogo.ivo.sx@renesas.com>

Re: [PATCH] soc: renesas: rz-sysc: Remove SYS_I3C_CFG register

[claudiu beznea]

On 10/29/26 19:51, Diogo Ivo wrote:
> As per the Renesas HW team this register was unintentionally left
> in the HW manual of both the RZ/G3S and RZ/G3L and should be removed
> from the code, so do it. No functional changes intended.
> 
> Signed-off-by: Diogo Ivo<diogo.ivo.sx@renesas.com>

Reviewed-by: Claudiu Beznea <claudiu.beznea.uj@bp.renesas.com>