From: Gabriel Fernandez <gabriel.fernandez@xxxxxx>
This patch adds DSI clock for STM32F469 board
Signed-off-by: Gabriel Fernandez <gabriel.fernandez@xxxxxx>
---
drivers/clk/clk-stm32f4.c | 11 ++++++++++-
include/dt-bindings/clock/stm32fx-clock.h | 3 ++-
2 files changed, 12 insertions(+), 2 deletions(-)
diff --git a/drivers/clk/clk-stm32f4.c b/drivers/clk/clk-stm32f4.c
index da44f8d..3c28798 100644
--- a/drivers/clk/clk-stm32f4.c
+++ b/drivers/clk/clk-stm32f4.c
@@ -521,7 +521,7 @@ struct stm32f4_pll_data {
};
static const struct stm32f4_pll_data stm32f469_pll[MAX_PLL_DIV] = {
- { PLL, 50, { "pll", "pll-q", NULL } },
+ { PLL, 50, { "pll", "pll-q", "pll-r" } },
{ PLL_I2S, 50, { "plli2s-p", "plli2s-q", "plli2s-r" } },
{ PLL_SAI, 50, { "pllsai-p", "pllsai-q", "pllsai-r" } },
};
@@ -1047,6 +1047,8 @@ static struct clk_hw *stm32_register_cclk(struct device *dev, const char *name,
"no-clock", "lse", "lsi", "hse-rtc"
};
+static const char *dsi_parent[2] = { NULL, "pll-r" };
+
static const char *lcd_parent[1] = { "pllsai-r-div" };
static const char *i2s_parents[2] = { "plli2s-r", NULL };
@@ -1156,6 +1158,12 @@ struct stm32f4_clk_data {
NO_GATE, 0,
0
},
+ {
+ CLK_F469_DSI, "dsi", dsi_parent, ARRAY_SIZE(dsi_parent),
+ STM32F4_RCC_DCKCFGR, 29, 1,
+ STM32F4_RCC_APB2ENR, 27,
+ CLK_SET_RATE_PARENT | CLK_SET_RATE_NO_REPARENT
+ },
};
static const struct stm32_aux_clk stm32f746_aux_clk[] = {
@@ -1450,6 +1458,7 @@ static void __init stm32f4_rcc_init(struct device_node *np)
stm32f4_gate_map = data->gates_map;
hse_clk = of_clk_get_parent_name(np, 0);
+ dsi_parent[0] = hse_clk;
i2s_in_clk = of_clk_get_parent_name(np, 1);
diff --git a/include/dt-bindings/clock/stm32fx-clock.h b/include/dt-bindings/clock/stm32fx-clock.h
index 4d523b0..58d8b51 100644
--- a/include/dt-bindings/clock/stm32fx-clock.h
+++ b/include/dt-bindings/clock/stm32fx-clock.h
@@ -35,8 +35,9 @@
#define CLK_SAIQ_PDIV 13
#define CLK_HSI 14
#define CLK_SYSCLK 15
+#define CLK_F469_DSI 16
-#define END_PRIMARY_CLK 16
+#define END_PRIMARY_CLK 17
#define CLK_HDMI_CEC 16
#define CLK_SPDIF 17
--
1.9.1
--
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