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coreboot: Add i2c clock API for qcs405 

Add support of i2c clock enable, disable
and configure API.

Change-Id: Ia0b42357ac09bf0ab60aad18c44e5ef27fe9dac3
Signed-off-by: Shefali Jain <shefjain@codeaurora.org>
Signed-off-by: Taniya Das <tdas@codeaurora.org>
Signed-off-by: Nitheesh Sekar <nsekar@codeaurora.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/32545
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Taniya Das 2019-04-17 15:58:15 +05:30 committed by Patrick Georgi
parent 1aac543a7a
commit 846f8c0ced
2 changed files with 24 additions and 1 deletions
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18
src/soc/qualcomm/qcs405/clock.c
View File

@ -246,6 +246,14 @@ void clock_configure_spi(int blsp, int qup, uint32_t hz)
clock_configure(spi_clk, spi_cfg, hz, ARRAY_SIZE(spi_cfg));
}
void clock_configure_i2c(uint32_t hz)
{
struct qcs405_clock *i2c_clk =
(struct qcs405_clock *)&gcc->blsp1_qup1_i2c_clk;
clock_configure(i2c_clk, i2c_cfg, hz, ARRAY_SIZE(i2c_cfg));
}
void clock_enable_uart(void)
{
clock_enable(&gcc->blsp1_uart2_apps_cbcr);
@ -309,6 +317,16 @@ void clock_disable_spi(int blsp, int qup)
}
void clock_enable_i2c(void)
{
clock_enable(&gcc->blsp1_qup1_i2c_apps_cbcr);
}
void clock_disable_i2c(void)
{
clock_disable(&gcc->blsp1_qup1_i2c_apps_cbcr);
}
void clock_init(void)
{
clock_configure_gpll0();

7
src/soc/qualcomm/qcs405/include/soc/clock.h
View File

@ -69,7 +69,9 @@ struct qcs405_gcc {
u8 _res1[0x2000 - 0x1014];
u32 blsp1_qup1_bcr;
u32 blsp1_qup1_spi_apps_cbcr;
u8 _res2[0x2024 - 0x2008];
u32 blsp1_qup1_i2c_apps_cbcr;
struct qcs405_clock blsp1_qup1_i2c_clk;
u8 _res2[0x2024 - 0x2020];
struct qcs405_clock blsp1_qup1_spi_clk;
u8 _res3[0x3008-0x2038];
u32 blsp1_qup2_bcr;
@ -179,10 +181,13 @@ void clock_reset_aop(void);
int clock_configure_qspi(uint32_t hz);
int clock_reset_bcr(void *bcr_addr, bool reset);
void clock_configure_uart(uint32_t hz);
void clock_configure_i2c(uint32_t hz);
void clock_configure_spi(int blsp, int qup, uint32_t hz);
void clock_enable_uart(void);
void clock_disable_uart(void);
void clock_enable_spi(int blsp, int qup);
void clock_disable_spi(int blsp, int qup);
void clock_enable_i2c(void);
void clock_disable_i2c(void);
#endif // __SOC_QUALCOMM_QCS405_CLOCK_H__