clk: stm32mp1: add SPI5_K support

Add clock support for SPI5, as this instance is available on extension
connector of ST board.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Acked-by: Patrice Chotard <patrice.chotard@st.com>
diff --git a/drivers/clk/clk_stm32mp1.c b/drivers/clk/clk_stm32mp1.c
index 42f9ef4..52bd8e9 100644
--- a/drivers/clk/clk_stm32mp1.c
+++ b/drivers/clk/clk_stm32mp1.c
@@ -95,6 +95,7 @@
 #define RCC_I2C12CKSELR		0x8C0
 #define RCC_I2C35CKSELR		0x8C4
 #define RCC_SPI2S1CKSELR	0x8D8
+#define RCC_SPI45CKSELR		0x8E0
 #define RCC_UART6CKSELR		0x8E4
 #define RCC_UART24CKSELR	0x8E8
 #define RCC_UART35CKSELR	0x8EC
@@ -304,6 +305,7 @@
 	_DSI_SEL,
 	_ADC12_SEL,
 	_SPI1_SEL,
+	_SPI45_SEL,
 	_RTC_SEL,
 	_PARENT_SEL_NB,
 	_UNKNOWN_SEL = 0xff,
@@ -527,6 +529,7 @@
 	STM32MP1_CLK_SET_CLR(RCC_MP_APB1ENSETR, 24, I2C5_K, _I2C35_SEL),
 
 	STM32MP1_CLK_SET_CLR(RCC_MP_APB2ENSETR, 8, SPI1_K, _SPI1_SEL),
+	STM32MP1_CLK_SET_CLR(RCC_MP_APB2ENSETR, 10, SPI5_K, _SPI45_SEL),
 	STM32MP1_CLK_SET_CLR(RCC_MP_APB2ENSETR, 13, USART6_K, _UART6_SEL),
 
 	STM32MP1_CLK_SET_CLR_F(RCC_MP_APB3ENSETR, 13, VREF, _PCLK3),
@@ -603,6 +606,8 @@
 static const u8 adc_parents[] = {_PLL4_R, _CK_PER, _PLL3_Q};
 static const u8 spi_parents[] = {_PLL4_P, _PLL3_Q, _I2S_CKIN, _CK_PER,
 				 _PLL3_R};
+static const u8 spi45_parents[] = {_PCLK2, _PLL4_Q, _HSI_KER, _CSI_KER,
+				   _HSE_KER};
 static const u8 rtc_parents[] = {_UNKNOWN_ID, _LSE, _LSI, _HSE};
 
 static const struct stm32mp1_clk_sel stm32mp1_clk_sel[_PARENT_SEL_NB] = {
@@ -629,6 +634,7 @@
 	STM32MP1_CLK_PARENT(_DSI_SEL, RCC_DSICKSELR, 0, 0x1, dsi_parents),
 	STM32MP1_CLK_PARENT(_ADC12_SEL, RCC_ADCCKSELR, 0, 0x3, adc_parents),
 	STM32MP1_CLK_PARENT(_SPI1_SEL, RCC_SPI2S1CKSELR, 0, 0x7, spi_parents),
+	STM32MP1_CLK_PARENT(_SPI45_SEL, RCC_SPI45CKSELR, 0, 0x7, spi45_parents),
 	STM32MP1_CLK_PARENT(_RTC_SEL, RCC_BDCR, RCC_BDCR_RTCSRC_SHIFT,
 			    (RCC_BDCR_RTCSRC_MASK >> RCC_BDCR_RTCSRC_SHIFT),
 			    rtc_parents),
@@ -747,6 +753,7 @@
 	[_DSI_SEL] = "DSI",
 	[_ADC12_SEL] = "ADC12",
 	[_SPI1_SEL] = "SPI1",
+	[_SPI45_SEL] = "SPI45",
 	[_RTC_SEL] = "RTC",
 };