This provides DM drivers for CLK, RESET and PINCTRL for sunxi with initial enablement and testing done on the sun50iw1p1 (A64). As the sun6i, sun8i and sun9i platforms are similar enough, these should be easily added on top of this framework.
To make switching over easier, the necessary changes in the MMC drivers and sun8i_emac are also contained as individual changes in this set.
At this point, I'd like to see sunxi move towards a TPL approach as the SRAM area used by the BROM for loading the SPL is too small for both FIT and DM... yet most Allwinner SoCs have largish SRAM areas that could be used for a TPL (even one that could use config data to set up the DRAM according to a specific board's requirements). If we could get that point, we should be able to get rid of most of the chip and board-specific (i.e. watch for low-fying #ifdef's) pinconfig code in board/sunxi/board.c.
This changeset was tested against the A64-uQ7 (with our DTS, which is to date only available from our public git repositories) for the following devices: * MMC0 (uSD slot) and MMC2 (on-module eMMC) * Ethernet (sun8i_emac) * SPI (SPI DM driver from the A31-uQ7 tree, will post separately) * GPIO
The sunxi I2C driver still needs to be converted to make use of these changes.
Philipp Tomsich (11): spl: dm: Undefine DM_MMC, DM_MMC_OPS and BLK, if SPL_DM is not defined sunxi: add pinctrl (UCLASS_PINCTRL) support for sunxi and tie back into GPIO sun50i: dts: add gpiobank nodes to the pinctrl nodes sun50i: dts: update DTS to avoid warnings sunxi: add module reset (UCLASS_RESET) support for sunxi sunxi: add clock driver (UCLASS_CLK) support for sunxi sunxi: Scan DT tree node '/clocks' on sunxi boards sun8i_emac: update to work with pinctrl-sunxi, reset-sunxi and clk-sunxi sunxi_mmc: convert to a device-model driver dts: sun50i: update mmc pin configuration and add mmc2_8bit_pins sun50i: dts: add spi0 and spi1 nodes and pinconfig
arch/arm/dts/sun50i-a64.dtsi | 171 +++++- board/sunxi/board.c | 20 +- .../pinctrl/allwinner,pinctrl.txt | 130 +++++ drivers/clk/Makefile | 1 + drivers/clk/sunxi/Makefile | 7 + drivers/clk/sunxi/clk-sunxi-gate.c | 92 ++++ drivers/clk/sunxi/clk-sunxi-mod.c | 232 +++++++++ drivers/clk/sunxi/clk-sunxi-pll.c | 120 +++++ drivers/gpio/sunxi_gpio.c | 94 +++- drivers/mmc/sunxi_mmc.c | 344 +++++++++++- drivers/net/sun8i_emac.c | 45 +- drivers/pinctrl/Kconfig | 10 + drivers/pinctrl/Makefile | 2 + drivers/pinctrl/sunxi/Makefile | 10 + drivers/pinctrl/sunxi/pinctrl-sun50i-a64-r.c | 92 ++++ drivers/pinctrl/sunxi/pinctrl-sun50i-a64.c | 577 +++++++++++++++++++++ drivers/pinctrl/sunxi/pinctrl-sunxi.c | 309 +++++++++++ drivers/pinctrl/sunxi/pinctrl-sunxi.h | 311 +++++++++++ drivers/reset/Kconfig | 9 + drivers/reset/Makefile | 1 + drivers/reset/reset-sunxi.c | 105 ++++ include/config_uncmd_spl.h | 4 + scripts/Makefile.uncmd_spl | 4 + 23 files changed, 2632 insertions(+), 58 deletions(-) create mode 100644 doc/device-tree-bindings/pinctrl/allwinner,pinctrl.txt create mode 100644 drivers/clk/sunxi/Makefile create mode 100644 drivers/clk/sunxi/clk-sunxi-gate.c create mode 100644 drivers/clk/sunxi/clk-sunxi-mod.c create mode 100644 drivers/clk/sunxi/clk-sunxi-pll.c create mode 100644 drivers/pinctrl/sunxi/Makefile create mode 100644 drivers/pinctrl/sunxi/pinctrl-sun50i-a64-r.c create mode 100644 drivers/pinctrl/sunxi/pinctrl-sun50i-a64.c create mode 100644 drivers/pinctrl/sunxi/pinctrl-sunxi.c create mode 100644 drivers/pinctrl/sunxi/pinctrl-sunxi.h create mode 100644 drivers/reset/reset-sunxi.c