Thread (26 messages) 26 messages, 6 authors, 2016-09-17

Re: [PATCH V8] clk: bcm: Add driver for BCM53573 ILP clock

From: Rob Herring <hidden>
Date: 2016-09-14 23:45:09
Also in: linux-clk, lkml

On Tue, Sep 13, 2016 at 2:06 AM, Rafał Miłecki [off-list ref] wrote:
From: Rafał Miłecki <redacted>

This clock is present on BCM53573 devices (including BCM47189) that use
Cortex-A7. ILP is a part of PMU (Power Management Unit) multi-function
device so we use syscon (and regmap) for it.

Signed-off-by: Rafał Miłecki <redacted>
---
V2: Rebase on top of clk-next
    Use ALP as parent clock
    Improve comments
    Switch from ioremap_nocache to ioremap
    Check of_clk_add_provide result for error
V3: Drop #include <linux/moduleh>
    Make ILP DT entry part of PMU
    Describe ILP as subdevice of PMU in Documentation
V4: Use BCM53573 name as suggested by Jon and Ray. It seems "Northstar"
    (even if used in some resources) should be used in relation to
    Cortex-A9 devices only.
V5: Rename remaining "ns" references to "bcm53573", sorry, I sent V4 too
    early.
V6: Drop #include <linux/clk.h>
    Use "int" as type where it matches usage
    Add cpu_relax() in the loop
    Add disable callback
    Use _hw_ functions for registering struct clk_hw (new API)

    Thanks a lot Stephen!
V7: Use syscon and regmap (thanks Rob!)
V8: Update Documentation (drop unused "reg", unit address)
---
 .../bindings/clock/brcm,bcm53573-ilp.txt           |  36 +++++
Acked-by: Rob Herring <redacted>
 drivers/clk/bcm/Makefile                           |   1 +
 drivers/clk/bcm/clk-bcm53573-ilp.c                 | 148 +++++++++++++++++++++
 3 files changed, 185 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/clock/brcm,bcm53573-ilp.txt
 create mode 100644 drivers/clk/bcm/clk-bcm53573-ilp.c
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