From a1bf646f719f14464be93e163cfa7d003c472e6e Mon Sep 17 00:00:00 2001 From: Gabriel Fernandez Date: Fri, 6 Apr 2018 08:39:31 +0200 Subject: clk: stm32mp1: add missing tzc2 clock This patch adds tzc2 clock and rename tzc clock into tzc1 Signed-off-by: Gabriel Fernandez Signed-off-by: Stephen Boyd --- include/dt-bindings/clock/stm32mp1-clks.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'include') diff --git a/include/dt-bindings/clock/stm32mp1-clks.h b/include/dt-bindings/clock/stm32mp1-clks.h index 86e3ec662ef4..6c807fd2c8d5 100644 --- a/include/dt-bindings/clock/stm32mp1-clks.h +++ b/include/dt-bindings/clock/stm32mp1-clks.h @@ -76,7 +76,7 @@ #define I2C6 63 #define USART1 64 #define RTCAPB 65 -#define TZC 66 +#define TZC1 66 #define TZPC 67 #define IWDG1 68 #define BSEC 69 @@ -123,6 +123,7 @@ #define CRC1 110 #define USBH 111 #define ETHSTP 112 +#define TZC2 113 /* Kernel clocks */ #define SDMMC1_K 118 -- cgit v1.2.3-70-g09d2 From ccf719b8845d6ca9f24a8708bb39e0df008f4e3f Mon Sep 17 00:00:00 2001 From: Gabriel Fernandez Date: Fri, 6 Apr 2018 08:39:33 +0200 Subject: clk: stm32mp1: remove ck_apb_dbg clock It's recommended to use only clk_sys_dbg clock instead to activate debug IP. Signed-off-by: Gabriel Fernandez Signed-off-by: Stephen Boyd --- drivers/clk/clk-stm32mp1.c | 4 ---- include/dt-bindings/clock/stm32mp1-clks.h | 1 - 2 files changed, 5 deletions(-) (limited to 'include') diff --git a/drivers/clk/clk-stm32mp1.c b/drivers/clk/clk-stm32mp1.c index b7b53615b67c..edd3cf451401 100644 --- a/drivers/clk/clk-stm32mp1.c +++ b/drivers/clk/clk-stm32mp1.c @@ -1988,10 +1988,6 @@ static const struct clock_config stm32mp1_clock_cfg[] = { _DIV(RCC_MCO2CFGR, 4, 4, 0, NULL)), /* Debug clocks */ - FIXED_FACTOR(NO_ID, "ck_axi_div2", "ck_axi", 0, 1, 2), - - GATE(DBG, "ck_apb_dbg", "ck_axi_div2", 0, RCC_DBGCFGR, 8, 0), - GATE(CK_DBG, "ck_sys_dbg", "ck_axi", 0, RCC_DBGCFGR, 8, 0), COMPOSITE(CK_TRACE, "ck_trace", ck_trace_src, CLK_OPS_PARENT_ENABLE, diff --git a/include/dt-bindings/clock/stm32mp1-clks.h b/include/dt-bindings/clock/stm32mp1-clks.h index 6c807fd2c8d5..90ec780bfc68 100644 --- a/include/dt-bindings/clock/stm32mp1-clks.h +++ b/include/dt-bindings/clock/stm32mp1-clks.h @@ -229,7 +229,6 @@ #define CK_MCO2 212 /* TRACE & DEBUG clocks */ -#define DBG 213 #define CK_DBG 214 #define CK_TRACE 215 -- cgit v1.2.3-70-g09d2 From 4ad69b80e886a845f56ce0a3d10211208693d92b Mon Sep 17 00:00:00 2001 From: Jerome Brunet Date: Mon, 9 Apr 2018 15:59:20 +0200 Subject: clk: honor CLK_MUX_ROUND_CLOSEST in generic clk mux CLK_MUX_ROUND_CLOSEST is part of the clk_mux documentation but clk_mux directly calls __clk_mux_determine_rate(), which overrides the flag. As result, if clk_mux is instantiated with CLK_MUX_ROUND_CLOSEST, the flag will be ignored and the clock rounded down. To solve this, this patch expose clk_mux_determine_rate_flags() in the clk-provider API and uses it in the determine_rate() callback of clk_mux. Fixes: 15a02c1f6dd7 ("clk: Add __clk_mux_determine_rate_closest") Signed-off-by: Jerome Brunet Signed-off-by: Stephen Boyd --- drivers/clk/clk-mux.c | 10 +++++++++- drivers/clk/clk.c | 7 ++++--- include/linux/clk-provider.h | 3 +++ 3 files changed, 16 insertions(+), 4 deletions(-) (limited to 'include') diff --git a/drivers/clk/clk-mux.c b/drivers/clk/clk-mux.c index ac4a042f8658..1628b93655ed 100644 --- a/drivers/clk/clk-mux.c +++ b/drivers/clk/clk-mux.c @@ -112,10 +112,18 @@ static int clk_mux_set_parent(struct clk_hw *hw, u8 index) return 0; } +static int clk_mux_determine_rate(struct clk_hw *hw, + struct clk_rate_request *req) +{ + struct clk_mux *mux = to_clk_mux(hw); + + return clk_mux_determine_rate_flags(hw, req, mux->flags); +} + const struct clk_ops clk_mux_ops = { .get_parent = clk_mux_get_parent, .set_parent = clk_mux_set_parent, - .determine_rate = __clk_mux_determine_rate, + .determine_rate = clk_mux_determine_rate, }; EXPORT_SYMBOL_GPL(clk_mux_ops); diff --git a/drivers/clk/clk.c b/drivers/clk/clk.c index ea67ac81c6f9..7af555f0e60c 100644 --- a/drivers/clk/clk.c +++ b/drivers/clk/clk.c @@ -426,9 +426,9 @@ static bool mux_is_better_rate(unsigned long rate, unsigned long now, return now <= rate && now > best; } -static int -clk_mux_determine_rate_flags(struct clk_hw *hw, struct clk_rate_request *req, - unsigned long flags) +int clk_mux_determine_rate_flags(struct clk_hw *hw, + struct clk_rate_request *req, + unsigned long flags) { struct clk_core *core = hw->core, *parent, *best_parent = NULL; int i, num_parents, ret; @@ -488,6 +488,7 @@ out: return 0; } +EXPORT_SYMBOL_GPL(clk_mux_determine_rate_flags); struct clk *__clk_lookup(const char *name) { diff --git a/include/linux/clk-provider.h b/include/linux/clk-provider.h index 210a890008f9..1d25e149c1c5 100644 --- a/include/linux/clk-provider.h +++ b/include/linux/clk-provider.h @@ -765,6 +765,9 @@ int __clk_mux_determine_rate(struct clk_hw *hw, int __clk_determine_rate(struct clk_hw *core, struct clk_rate_request *req); int __clk_mux_determine_rate_closest(struct clk_hw *hw, struct clk_rate_request *req); +int clk_mux_determine_rate_flags(struct clk_hw *hw, + struct clk_rate_request *req, + unsigned long flags); void clk_hw_reparent(struct clk_hw *hw, struct clk_hw *new_parent); void clk_hw_set_rate_range(struct clk_hw *hw, unsigned long min_rate, unsigned long max_rate); -- cgit v1.2.3-70-g09d2