To be able to use the three none AO uarts of the s905 SoCs (uart_A, uart_B & uart_C), the core clock has to be enabled. (see chapter 22.3 of the public s905 data sheet) At least the u-boot of my s905 based media player (netxeon minimx) doesn't do this. so the driver must do it. This patch set does: - exposes the clock ids to the dtb - adds documentation for the dt-bindings of meson_uart - adds the core clock handling to the driver The patchset is based on the branch master of the repository in [1] Changes since v1 - use git to produce the patch set - added the clock ids for uart_B and uart_C None of the available s905 dts use uart_A actively. So there is no patch for any of the existing dts files. [1] git://git.kernel.org/pub/scm/linux/kernel/git/khilman/linux-amlogic.git Helmut Klein (3): tty/serial: meson_uart: expose CLKID_UARTx tty/serial: meson_uart: add documentation for the dt-bindings tty/serial: meson_uart: add the core clock handling to the driver .../bindings/serial/amlogic,meson_uart.txt | 25 ++++++++++++++++++++++ drivers/clk/meson/gxbb.h | 6 +++--- drivers/tty/serial/meson_uart.c | 10 +++++++++ include/dt-bindings/clock/gxbb-clkc.h | 3 +++ 4 files changed, 41 insertions(+), 3 deletions(-) create mode 100644 Documentation/devicetree/bindings/serial/amlogic,meson_uart.txt -- 2.11.0 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
