diff options
author | Hao Zhang <hzhang@ti.com> | 2014-07-16 00:59:23 +0300 |
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committer | Tom Rini <trini@ti.com> | 2014-07-25 16:26:11 -0400 |
commit | 4dca7f0acc88708100a2b25b019befc9eea02f45 (patch) | |
tree | c650b1e7a8fe0490f84ab649adca2bc46c0c5e5b /arch/arm/include/asm/arch-keystone | |
parent | 5c76f78858054e27c6c21e34307003b3649c61ae (diff) | |
download | u-boot-imx-4dca7f0acc88708100a2b25b019befc9eea02f45.zip u-boot-imx-4dca7f0acc88708100a2b25b019befc9eea02f45.tar.gz u-boot-imx-4dca7f0acc88708100a2b25b019befc9eea02f45.tar.bz2 |
ARM: keystone2: clock: add K2E clock support
This patch adds clock definitions and commands to support Keystone2
K2E SOC.
Signed-off-by: Hao Zhang <hzhang@ti.com>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
Diffstat (limited to 'arch/arm/include/asm/arch-keystone')
-rw-r--r-- | arch/arm/include/asm/arch-keystone/clock-k2e.h | 68 | ||||
-rw-r--r-- | arch/arm/include/asm/arch-keystone/clock.h | 4 |
2 files changed, 72 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-keystone/clock-k2e.h b/arch/arm/include/asm/arch-keystone/clock-k2e.h new file mode 100644 index 0000000..4147811 --- /dev/null +++ b/arch/arm/include/asm/arch-keystone/clock-k2e.h @@ -0,0 +1,68 @@ +/* + * K2E: Clock management APIs + * + * (C) Copyright 2012-2014 + * Texas Instruments Incorporated, <www.ti.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __ASM_ARCH_CLOCK_K2E_H +#define __ASM_ARCH_CLOCK_K2E_H + +enum ext_clk_e { + sys_clk, + alt_core_clk, + pa_clk, + ddr3_clk, + mcm_clk, + pcie_clk, + sgmii_clk, + xgmii_clk, + usb_clk, + ext_clk_count /* number of external clocks */ +}; + +extern unsigned int external_clk[ext_clk_count]; + +enum clk_e { + core_pll_clk, + pass_pll_clk, + ddr3_pll_clk, + sys_clk0_clk, + sys_clk0_1_clk, + sys_clk0_2_clk, + sys_clk0_3_clk, + sys_clk0_4_clk, + sys_clk0_6_clk, + sys_clk0_8_clk, + sys_clk0_12_clk, + sys_clk0_24_clk, + sys_clk1_clk, + sys_clk1_3_clk, + sys_clk1_4_clk, + sys_clk1_6_clk, + sys_clk1_12_clk, + sys_clk2_clk, + sys_clk3_clk +}; + +#define KS2_CLK1_6 sys_clk0_6_clk + +/* PLL identifiers */ +enum pll_type_e { + CORE_PLL, + PASS_PLL, + DDR3_PLL, +}; + +#define CORE_PLL_800 {CORE_PLL, 16, 1, 2} +#define CORE_PLL_1000 {CORE_PLL, 20, 1, 2} +#define CORE_PLL_1200 {CORE_PLL, 24, 1, 2} +#define PASS_PLL_1000 {PASS_PLL, 20, 1, 2} +#define DDR3_PLL_200 {DDR3_PLL, 4, 1, 2} +#define DDR3_PLL_400 {DDR3_PLL, 16, 1, 4} +#define DDR3_PLL_800 {DDR3_PLL, 16, 1, 2} +#define DDR3_PLL_333 {DDR3_PLL, 20, 1, 6} + +#endif diff --git a/arch/arm/include/asm/arch-keystone/clock.h b/arch/arm/include/asm/arch-keystone/clock.h index c7da352..1513c76 100644 --- a/arch/arm/include/asm/arch-keystone/clock.h +++ b/arch/arm/include/asm/arch-keystone/clock.h @@ -16,6 +16,10 @@ #include <asm/arch/clock-k2hk.h> #endif +#ifdef CONFIG_SOC_K2E +#include <asm/arch/clock-k2e.h> +#endif + #define MAIN_PLL CORE_PLL #include <asm/types.h> |