Brammo PLL does not allow configuration of VCO and it supports the dynamic update in which the frequency can be changed dynamically without turning off the PLL.
Signed-off-by: Abhishek Sahu <[email protected]> --- drivers/clk/qcom/clk-alpha-pll.c | 12 ++++++++++++ drivers/clk/qcom/clk-alpha-pll.h | 2 ++ 2 files changed, 14 insertions(+) diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c index d17d83a..e37a3ab 100644 --- a/drivers/clk/qcom/clk-alpha-pll.c +++ b/drivers/clk/qcom/clk-alpha-pll.c @@ -52,6 +52,7 @@ #define PLL_HUAYRA_N_MASK 0xff #define PLL_HUAYRA_ALPHA_WIDTH 16 +#define PLL_BRAMMO_ALPHA_BITWIDTH 40 /* * Even though 40 bits are present, use only 32 for ease of calculation. */ @@ -105,6 +106,17 @@ [ALPHA_PLL_STATUS] = 0x24, }; +const u8 brammo_pll_offsets[] = { + [ALPHA_PLL_MODE] = 0x00, + [ALPHA_PLL_L_VAL] = 0x04, + [ALPHA_PLL_ALPHA_VAL] = 0x08, + [ALPHA_PLL_ALPHA_VAL_U] = 0x0c, + [ALPHA_PLL_USER_CTL] = 0x10, + [ALPHA_PLL_CONFIG_CTL] = 0x18, + [ALPHA_PLL_TEST_CTL] = 0x1c, + [ALPHA_PLL_STATUS] = 0x24, +}; + static int wait_for_pll(struct clk_alpha_pll *pll, u32 mask, bool inverse, const char *action) { diff --git a/drivers/clk/qcom/clk-alpha-pll.h b/drivers/clk/qcom/clk-alpha-pll.h index c98e7469..891d14b 100644 --- a/drivers/clk/qcom/clk-alpha-pll.h +++ b/drivers/clk/qcom/clk-alpha-pll.h @@ -64,6 +64,7 @@ struct clk_alpha_pll { #define CLK_HUAYRA_PLL_FLAGS (HAVE_NO_VCO_CONF | SUPPORTS_DYNAMIC_UPDATE | \ SUPPORTS_64BIT_CONFIG_CTL | \ SUPPORTS_16BIT_ALPHA) +#define CLK_BRAMMO_PLL_FLAGS (HAVE_NO_VCO_CONF | SUPPORTS_DYNAMIC_UPDATE) /** * struct clk_alpha_pll_postdiv - phase locked loop (PLL) post-divider @@ -102,6 +103,7 @@ struct alpha_pll_config { extern const u8 alpha_pll_offsets[]; extern const u8 huayra_pll_offsets[]; +extern const u8 brammo_pll_offsets[]; extern const struct clk_ops clk_alpha_pll_ops; extern const struct clk_ops clk_alpha_pll_hwfsm_ops; -- QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum, hosted by The Linux Foundation
