| Message ID | 20220723100135.91784-1-konrad.dybcio@somainline.org (mailing list archive) |
|---|---|
| State | Superseded, archived |
| Headers | show |
| Series | [v3,1/3] clk: qcom: alpha: Add support for programming the PLL_FSM_LEGACY_MODE bit | expand |
Le 23/07/2022 à 12:01, Konrad Dybcio a écrit : > Add support for the global clock controller found on SM6375. > > Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org> > --- > Changes since v2: > - use parent_hws where applicable > > drivers/clk/qcom/Kconfig | 8 + > drivers/clk/qcom/Makefile | 1 + > drivers/clk/qcom/gcc-sm6375.c | 3931 +++++++++++++++++++++++++++++++++ > 3 files changed, 3940 insertions(+) > create mode 100644 drivers/clk/qcom/gcc-sm6375.c > > diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig > index 415ae4ffab48..ef81eda01649 100644 > --- a/drivers/clk/qcom/Kconfig > +++ b/drivers/clk/qcom/Kconfig > @@ -672,6 +672,14 @@ config SM_GCC_6350 > Say Y if you want to use peripheral devices such as UART, > SPI, I2C, USB, SD/UFS, PCIe etc. > > +config SM_GCC_6375 > + tristate "SM6350 Global Clock Controller" Nit: SM6375? > + select QCOM_GDSC > + help > + Support for the global clock controller on SM6375 devices. > + Say Y if you want to use peripheral devices such as UART, > + SPI, I2C, USB, SD/UFS etc. > +
On 23.07.2022 12:15, Christophe JAILLET wrote: > Le 23/07/2022 à 12:01, Konrad Dybcio a écrit : >> Add support for the global clock controller found on SM6375. >> >> Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org> >> --- >> Changes since v2: >> - use parent_hws where applicable >> >> drivers/clk/qcom/Kconfig | 8 + >> drivers/clk/qcom/Makefile | 1 + >> drivers/clk/qcom/gcc-sm6375.c | 3931 +++++++++++++++++++++++++++++++++ >> 3 files changed, 3940 insertions(+) >> create mode 100644 drivers/clk/qcom/gcc-sm6375.c >> >> diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig >> index 415ae4ffab48..ef81eda01649 100644 >> --- a/drivers/clk/qcom/Kconfig >> +++ b/drivers/clk/qcom/Kconfig >> @@ -672,6 +672,14 @@ config SM_GCC_6350 >> Say Y if you want to use peripheral devices such as UART, >> SPI, I2C, USB, SD/UFS, PCIe etc. >> +config SM_GCC_6375 >> + tristate "SM6350 Global Clock Controller" > > Nit: SM6375? Yes, obviously.. I made a mistake here. Konrad > >> + select QCOM_GDSC >> + help >> + Support for the global clock controller on SM6375 devices. >> + Say Y if you want to use peripheral devices such as UART, >> + SPI, I2C, USB, SD/UFS etc. >> +
diff --git a/drivers/clk/qcom/clk-alpha-pll.c b/drivers/clk/qcom/clk-alpha-pll.c index b42684703fbb..ea157723906a 100644 --- a/drivers/clk/qcom/clk-alpha-pll.c +++ b/drivers/clk/qcom/clk-alpha-pll.c @@ -27,6 +27,7 @@ # define PLL_VOTE_FSM_RESET BIT(21) # define PLL_UPDATE BIT(22) # define PLL_UPDATE_BYPASS BIT(23) +# define PLL_FSM_LEGACY_MODE BIT(24) # define PLL_OFFLINE_ACK BIT(28) # define ALPHA_PLL_ACK_LATCH BIT(29) # define PLL_ACTIVE_FLAG BIT(30) @@ -1102,6 +1103,10 @@ void clk_fabia_pll_configure(struct clk_alpha_pll *pll, struct regmap *regmap, regmap_update_bits(regmap, PLL_USER_CTL(pll), mask, val); } + if (pll->flags & SUPPORTS_FSM_LEGACY_MODE) + regmap_update_bits(regmap, PLL_MODE(pll), PLL_FSM_LEGACY_MODE, + PLL_FSM_LEGACY_MODE); + regmap_update_bits(regmap, PLL_MODE(pll), PLL_UPDATE_BYPASS, PLL_UPDATE_BYPASS); diff --git a/drivers/clk/qcom/clk-alpha-pll.h b/drivers/clk/qcom/clk-alpha-pll.h index 447efb82fe59..b15a62cb8e36 100644 --- a/drivers/clk/qcom/clk-alpha-pll.h +++ b/drivers/clk/qcom/clk-alpha-pll.h @@ -70,9 +70,10 @@ struct clk_alpha_pll { const struct pll_vco *vco_table; size_t num_vco; -#define SUPPORTS_OFFLINE_REQ BIT(0) -#define SUPPORTS_FSM_MODE BIT(2) +#define SUPPORTS_OFFLINE_REQ BIT(0) +#define SUPPORTS_FSM_MODE BIT(2) #define SUPPORTS_DYNAMIC_UPDATE BIT(3) +#define SUPPORTS_FSM_LEGACY_MODE BIT(4) u8 flags; struct clk_regmap clkr;
This is used on at least SM6375 and its variations. Signed-off-by: Konrad Dybcio <konrad.dybcio@somainline.org> --- No changes since v1/v2 drivers/clk/qcom/clk-alpha-pll.c | 5 +++++ drivers/clk/qcom/clk-alpha-pll.h | 5 +++-- 2 files changed, 8 insertions(+), 2 deletions(-)