The i.MX8MP SoC contains 2 more i2c buses. Add support for the
configuration of these buses.
Signed-off-by: Martyn Welch <martyn.we...@collabora.com>
---
arch/arm/include/asm/arch-imx8m/imx-regs.h | 4 ++++
arch/arm/mach-imx/i2c-mxv7.c | 6 ++++++
arch/arm/mach-imx/imx8m/clock_imx8mm.c | 12 +++++++++---
3 files changed, 19 insertions(+), 3 deletions(-)
diff --git a/arch/arm/include/asm/arch-imx8m/imx-regs.h
b/arch/arm/include/asm/arch-imx8m/imx-regs.h
index 912c28e624..6bdf7a7d4f 100644
--- a/arch/arm/include/asm/arch-imx8m/imx-regs.h
+++ b/arch/arm/include/asm/arch-imx8m/imx-regs.h
@@ -43,6 +43,10 @@
#define I2C3_BASE_ADDR 0x30A40000
#define I2C4_BASE_ADDR 0x30A50000
#define UART4_BASE_ADDR 0x30A60000
+#ifdef CONFIG_IMX8MP
+#define I2C5_BASE_ADDR 0x30AD0000
+#define I2C6_BASE_ADDR 0x30AE0000
+#endif
#define USDHC1_BASE_ADDR 0x30B40000
#define USDHC2_BASE_ADDR 0x30B50000
#if defined(CONFIG_IMX8MM) || defined(CONFIG_IMX8MP)
diff --git a/arch/arm/mach-imx/i2c-mxv7.c b/arch/arm/mach-imx/i2c-mxv7.c
index d36347d8e8..d3b4f6c9a8 100644
--- a/arch/arm/mach-imx/i2c-mxv7.c
+++ b/arch/arm/mach-imx/i2c-mxv7.c
@@ -70,6 +70,12 @@ static void * const i2c_bases[] = {
#ifdef I2C4_BASE_ADDR
(void *)I2C4_BASE_ADDR,
#endif
+#ifdef I2C5_BASE_ADDR
+ (void *)I2C5_BASE_ADDR,
+#endif
+#ifdef I2C6_BASE_ADDR
+ (void *)I2C6_BASE_ADDR,
+#endif
};
/* i2c_index can be from 0 - 3 */
diff --git a/arch/arm/mach-imx/imx8m/clock_imx8mm.c
b/arch/arm/mach-imx/imx8m/clock_imx8mm.c
index 4db55f8608..64ad57e9b3 100644
--- a/arch/arm/mach-imx/imx8m/clock_imx8mm.c
+++ b/arch/arm/mach-imx/imx8m/clock_imx8mm.c
@@ -36,11 +36,17 @@ void enable_ocotp_clk(unsigned char enable)
int enable_i2c_clk(unsigned char enable, unsigned i2c_num)
{
- /* 0 - 3 is valid i2c num */
- if (i2c_num > 3)
+ u8 i2c_ccgr[6] = {
+ CCGR_I2C1, CCGR_I2C2, CCGR_I2C3, CCGR_I2C4,
+#if (IS_ENABLED(CONFIG_IMX8MP))
+ CCGR_I2C5_8MP, CCGR_I2C6_8MP
+#endif
+ };
+
+ if (i2c_num > ARRAY_SIZE(i2c_ccgr))
return -EINVAL;
- clock_enable(CCGR_I2C1 + i2c_num, !!enable);
+ clock_enable(i2c_ccgr[i2c_num], !!enable);
return 0;
}
--
2.35.1
