From 40be479fe35242deb7b366bd5d273606c382826c Mon Sep 17 00:00:00 2001 From: =?utf8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Sun, 8 Jun 2025 17:03:30 +0200 Subject: [PATCH] kernel: add support for DesignWare I2C Platform controller MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Add kernel package for DesignWare I2C platform controller. This controller is used on the RP1 SoC found on RPi 5 devices. Signed-off-by: Álvaro Fernández Rojas (cherry picked from commit 84922a1e34f8fafeeebc3e6a25b93b95728c1706) --- package/kernel/linux/modules/i2c.mk | 22 ++++++++++++++++++++-- target/linux/generic/config-6.6 | 2 ++ 2 files changed, 22 insertions(+), 2 deletions(-) diff --git a/package/kernel/linux/modules/i2c.mk b/package/kernel/linux/modules/i2c.mk index 3aaf560ea9..70bdaf22ab 100644 --- a/package/kernel/linux/modules/i2c.mk +++ b/package/kernel/linux/modules/i2c.mk @@ -116,17 +116,35 @@ I2C_DWPCI_MODULES:= \ define KernelPackage/i2c-designware-pci $(call i2c_defaults,$(I2C_DWPCI_MODULES),59) - TITLE:=Synopsys DesignWare PCI + TITLE:=Synopsys DesignWare I2C PCI DEPENDS:=@PCI_SUPPORT +kmod-i2c-designware-core +kmod-i2c-ccgs-ucsi endef define KernelPackage/i2c-designware-pci/description - Support for Synopsys DesignWare I2C controller. Only master mode is supported. + Support for Synopsys DesignWare I2C PCI controller. Only master mode is + supported. endef $(eval $(call KernelPackage,i2c-designware-pci)) +I2C_DWPLAT_MODULES:= \ + CONFIG_I2C_DESIGNWARE_PLATFORM:drivers/i2c/busses/i2c-designware-platform + +define KernelPackage/i2c-designware-platform + $(call i2c_defaults,$(I2C_DWPLAT_MODULES),59) + TITLE:=Synopsys DesignWare I2C Platform + DEPENDS:=+kmod-i2c-designware-core +endef + +define KernelPackage/i2c-designware-platform/description + Support for Synopsys DesignWare I2C Platform controller. Only master mode + is supported. +endef + +$(eval $(call KernelPackage,i2c-designware-platform)) + + I2C_GPIO_MODULES:= \ CONFIG_I2C_GPIO:drivers/i2c/busses/i2c-gpio diff --git a/target/linux/generic/config-6.6 b/target/linux/generic/config-6.6 index 5fc31b37b0..deb58397b5 100644 --- a/target/linux/generic/config-6.6 +++ b/target/linux/generic/config-6.6 @@ -2460,6 +2460,8 @@ CONFIG_HZ_100=y # CONFIG_I2C_DEBUG_BUS is not set # CONFIG_I2C_DEBUG_CORE is not set # CONFIG_I2C_DEMUX_PINCTRL is not set +# CONFIG_I2C_DESIGNWARE_AMDPSP is not set +# CONFIG_I2C_DESIGNWARE_BAYTRAIL is not set # CONFIG_I2C_DESIGNWARE_PCI is not set # CONFIG_I2C_DESIGNWARE_PLATFORM is not set # CONFIG_I2C_DESIGNWARE_SLAVE is not set -- 2.30.2