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Date: Sun, 11 Nov 2012 13:50:34 +0100
From: Jonas Gorski <jonas.gorski@...il.com>
To: linux-mips@...ux-mips.org
Cc: Ralf Baechle <ralf@...ux-mips.org>,
John Crispin <blogic@...nwrt.org>,
Maxime Bizon <mbizon@...ebox.fr>,
Florian Fainelli <florian@...nwrt.org>,
Kevin Cernekee <cernekee@...il.com>,
devicetree-discuss@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [RFC] MIPS: BCM63XX: add initial Device Tree support
This patch series adds initial Device Tree support to BCM63XX by adding
bindings for interrupts, GPIOs and clocks to Device Tree. Finally it adds
one "real" user, the serial driver, to the device tree boards.
The main intention of this patch series is to make the transition to
device tree as smooth as possible by retaining backward compatibility
with not yet DT enabled drivers. Also to reduce the number of potential
regressions I tried to make the changes as small as possible. The resulting
code has therefore still a lot of room for improvement.
The first patches add support for loading kernel embedded DTBs, and
add generic fallback DTSs for boards not yet having a DTS.
Next the IRQ controllers get registered through device tree.
The next set prepares all bcm63xx drivers using clocks for switching to
the generic clock framework, add bindings for the clocks present, then
replaces the custom implementation with one using the common clock
framework.
Last of the generic controllers the GPIO controller is converted to
Device Tree. This is more of an interim solution, as I plan to replace
the driver with a proper pinctrl driver in the future.
Finally, to have a user for some of this, I added support for
registering the serial console through device tree and added appropriate
board files for all currently supported boards.
These patches have been tested on BCM6348, BCM6358, BCM6368 and BCM6328, but
still need to be tested on BCM6338 and BCM6345.
The next steps after this will be:
* convert the reminder of the device drivers and PCI(e) and pccard
controllers to device tree support
* improve the device tree bindings of currently registered devices
* replace the GPIO controller driver with a pinctrl implementation
This patch series is based on Ralf's upstream-sfr mips tree. My hope is
that these changes eventually go through Ralf's tree instead of through each
subsystem's tree, to make the switch less slow.
Jonas Gorski (15):
MIPS: BCM63XX: add support for loading DTB
MIPS: BCM63XX: add simple Device Tree includes for all SoCs
MIPS: BCM63XX: add generic fallback device trees
MIPS: BCM63XX: add Device Tree glue code for IRQ handling
SPI: spi-bcm63xx: use clk_{prepare_enable,disable_unprepare}
bcm63xx-rng: use clk_{prepare_enable,disable_unprepare}
net: ethernet: bcm63xx_enet: use
clk_{prepare_enable,disable_unprepare}
serial: bcm63xx_uart: remove unnecessary include
MIPS: BCM63XX: add Device Tree clock definitions
MIPS: BCM63XX: switch to common clock and Device Tree
MIPS: BCM63XX: register GPIO controller through Device Tree
serial: bcm63xx_uart: allow probing through Device Tree
MIPS: BCM63XX: add serial blocks to Device Tree includes
MIPS: BCM63XX: add empty Device Trees for all supported boards
MIPS: BCM63XX: enable serial through Device Tree
.../devicetree/bindings/clock/bcm63xx-clock.txt | 32 ++
.../devicetree/bindings/gpio/bcm63xx-gpio.txt | 24 ++
.../devicetree/bindings/mips/bcm63xx/epic.txt | 20 ++
.../devicetree/bindings/mips/bcm63xx/ipic.txt | 18 +
.../bindings/tty/serial/bcm63xx-uart.txt | 17 +
arch/mips/Kconfig | 4 +-
arch/mips/bcm63xx/Kconfig | 2 +
arch/mips/bcm63xx/Makefile | 8 +-
arch/mips/bcm63xx/boards/board_bcm963xx.c | 15 -
arch/mips/bcm63xx/clk.c | 331 --------------------
arch/mips/bcm63xx/dts/96328avng.dts | 25 ++
arch/mips/bcm63xx/dts/96338gw.dts | 25 ++
arch/mips/bcm63xx/dts/96338w.dts | 25 ++
arch/mips/bcm63xx/dts/96345gw2.dts | 25 ++
arch/mips/bcm63xx/dts/96348gw.dts | 25 ++
arch/mips/bcm63xx/dts/96348gw_10.dts | 25 ++
arch/mips/bcm63xx/dts/96348gw_11.dts | 25 ++
arch/mips/bcm63xx/dts/96348gw_a.dts | 25 ++
arch/mips/bcm63xx/dts/96348r.dts | 25 ++
arch/mips/bcm63xx/dts/96358vw.dts | 25 ++
arch/mips/bcm63xx/dts/96358vw2.dts | 26 ++
arch/mips/bcm63xx/dts/Kconfig | 67 ++++
arch/mips/bcm63xx/dts/Makefile | 28 ++
arch/mips/bcm63xx/dts/agpf_s0.dts | 22 ++
arch/mips/bcm63xx/dts/bcm6328.dtsi | 158 ++++++++++
arch/mips/bcm63xx/dts/bcm6338.dtsi | 108 +++++++
arch/mips/bcm63xx/dts/bcm6345.dtsi | 94 ++++++
arch/mips/bcm63xx/dts/bcm6348.dtsi | 115 +++++++
arch/mips/bcm63xx/dts/bcm6358.dtsi | 156 +++++++++
arch/mips/bcm63xx/dts/bcm6368.dtsi | 196 ++++++++++++
arch/mips/bcm63xx/dts/bcm96328_generic.dts | 21 ++
arch/mips/bcm63xx/dts/bcm96338_generic.dts | 21 ++
arch/mips/bcm63xx/dts/bcm96345_generic.dts | 21 ++
arch/mips/bcm63xx/dts/bcm96348_generic.dts | 21 ++
arch/mips/bcm63xx/dts/bcm96358_generic.dts | 21 ++
arch/mips/bcm63xx/dts/bcm96368_generic.dts | 21 ++
arch/mips/bcm63xx/dts/dv201amr.dts | 25 ++
arch/mips/bcm63xx/dts/dwv_s0.dts | 25 ++
arch/mips/bcm63xx/dts/fast2404.dts | 25 ++
arch/mips/bcm63xx/dts/rta1025w_16.dts | 25 ++
arch/mips/bcm63xx/gpio.c | 35 ++-
arch/mips/bcm63xx/irq.c | 32 ++
arch/mips/bcm63xx/prom.c | 3 -
arch/mips/bcm63xx/setup.c | 85 +++++
arch/mips/include/asm/mach-bcm63xx/bcm63xx_clk.h | 11 -
drivers/char/hw_random/bcm63xx-rng.c | 6 +-
drivers/clk/Makefile | 1 +
drivers/clk/clk-bcm63xx.c | 241 ++++++++++++++
drivers/net/ethernet/broadcom/bcm63xx_enet.c | 12 +-
drivers/spi/spi-bcm63xx.c | 6 +-
drivers/tty/serial/bcm63xx_uart.c | 36 ++-
51 files changed, 1993 insertions(+), 392 deletions(-)
create mode 100644 Documentation/devicetree/bindings/clock/bcm63xx-clock.txt
create mode 100644 Documentation/devicetree/bindings/gpio/bcm63xx-gpio.txt
create mode 100644 Documentation/devicetree/bindings/mips/bcm63xx/epic.txt
create mode 100644 Documentation/devicetree/bindings/mips/bcm63xx/ipic.txt
create mode 100644 Documentation/devicetree/bindings/tty/serial/bcm63xx-uart.txt
delete mode 100644 arch/mips/bcm63xx/clk.c
create mode 100644 arch/mips/bcm63xx/dts/96328avng.dts
create mode 100644 arch/mips/bcm63xx/dts/96338gw.dts
create mode 100644 arch/mips/bcm63xx/dts/96338w.dts
create mode 100644 arch/mips/bcm63xx/dts/96345gw2.dts
create mode 100644 arch/mips/bcm63xx/dts/96348gw.dts
create mode 100644 arch/mips/bcm63xx/dts/96348gw_10.dts
create mode 100644 arch/mips/bcm63xx/dts/96348gw_11.dts
create mode 100644 arch/mips/bcm63xx/dts/96348gw_a.dts
create mode 100644 arch/mips/bcm63xx/dts/96348r.dts
create mode 100644 arch/mips/bcm63xx/dts/96358vw.dts
create mode 100644 arch/mips/bcm63xx/dts/96358vw2.dts
create mode 100644 arch/mips/bcm63xx/dts/Kconfig
create mode 100644 arch/mips/bcm63xx/dts/Makefile
create mode 100644 arch/mips/bcm63xx/dts/agpf_s0.dts
create mode 100644 arch/mips/bcm63xx/dts/bcm6328.dtsi
create mode 100644 arch/mips/bcm63xx/dts/bcm6338.dtsi
create mode 100644 arch/mips/bcm63xx/dts/bcm6345.dtsi
create mode 100644 arch/mips/bcm63xx/dts/bcm6348.dtsi
create mode 100644 arch/mips/bcm63xx/dts/bcm6358.dtsi
create mode 100644 arch/mips/bcm63xx/dts/bcm6368.dtsi
create mode 100644 arch/mips/bcm63xx/dts/bcm96328_generic.dts
create mode 100644 arch/mips/bcm63xx/dts/bcm96338_generic.dts
create mode 100644 arch/mips/bcm63xx/dts/bcm96345_generic.dts
create mode 100644 arch/mips/bcm63xx/dts/bcm96348_generic.dts
create mode 100644 arch/mips/bcm63xx/dts/bcm96358_generic.dts
create mode 100644 arch/mips/bcm63xx/dts/bcm96368_generic.dts
create mode 100644 arch/mips/bcm63xx/dts/dv201amr.dts
create mode 100644 arch/mips/bcm63xx/dts/dwv_s0.dts
create mode 100644 arch/mips/bcm63xx/dts/fast2404.dts
create mode 100644 arch/mips/bcm63xx/dts/rta1025w_16.dts
delete mode 100644 arch/mips/include/asm/mach-bcm63xx/bcm63xx_clk.h
create mode 100644 drivers/clk/clk-bcm63xx.c
--
1.7.2.5
--
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