diff options
| author | Dmitry Osipenko <digetx@gmail.com> | 2018-05-08 19:26:03 +0300 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2018-05-18 12:34:49 +0200 |
| commit | 08a52593fc0dca4b798f9a222cfbc827d008c1bf (patch) | |
| tree | 6815250d3996f54582c26c306b828361a4c5cdb8 /drivers/clk/tegra | |
| parent | 60cc43fc888428bb2f18f08997432d426a243338 (diff) | |
clk: tegra20: Add DEV1/DEV2 OSC dividers
CDEV1/CDEV2 clocks could have corresponding oscillator clock divider as
a parent. Add these dividers in order to be able to provide that parent
option.
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Reviewed-by: Marcel Ziswiler <marcel@ziswiler.com>
Tested-by: Marcel Ziswiler <marcel@ziswiler.com>
Tested-by: Marc Dietrich <marvin24@gmx.de>
Acked-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Acked-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/clk/tegra')
| -rw-r--r-- | drivers/clk/tegra/clk-tegra20.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/clk/tegra/clk-tegra20.c b/drivers/clk/tegra/clk-tegra20.c index 0ee56dd04cec..ad5a7b5e3a39 100644 --- a/drivers/clk/tegra/clk-tegra20.c +++ b/drivers/clk/tegra/clk-tegra20.c @@ -26,6 +26,8 @@ #include "clk.h" #include "clk-id.h" +#define MISC_CLK_ENB 0x48 + #define OSC_CTRL 0x50 #define OSC_CTRL_OSC_FREQ_MASK (3<<30) #define OSC_CTRL_OSC_FREQ_13MHZ (0<<30) @@ -831,6 +833,18 @@ static void __init tegra20_periph_clk_init(void) periph_clk_enb_refcnt); clks[TEGRA20_CLK_PEX] = clk; + /* dev1 OSC divider */ + clk_register_divider(NULL, "dev1_osc_div", "clk_m", + 0, clk_base + MISC_CLK_ENB, 22, 2, + CLK_DIVIDER_POWER_OF_TWO | CLK_DIVIDER_READ_ONLY, + NULL); + + /* dev2 OSC divider */ + clk_register_divider(NULL, "dev2_osc_div", "clk_m", + 0, clk_base + MISC_CLK_ENB, 20, 2, + CLK_DIVIDER_POWER_OF_TWO | CLK_DIVIDER_READ_ONLY, + NULL); + /* cdev1 */ clk = clk_register_fixed_rate(NULL, "cdev1_fixed", NULL, 0, 26000000); clk = tegra_clk_register_periph_gate("cdev1", "cdev1_fixed", 0, |