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 <dig...@gmail.com>
Reviewed-by: Marcel Ziswiler <mar...@ziswiler.com>
Tested-by: Marcel Ziswiler <mar...@ziswiler.com>
Tested-by: Marc Dietrich <marvi...@gmx.de>
Acked-by: Peter De Schrijver <pdeschrij...@nvidia.com>
Acked-by: Stephen Boyd <sb...@kernel.org>
---
drivers/clk/tegra/clk-tegra20.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
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,
--
2.17.0
