diff options
| author | Amit Singh Tomar <amittomer25@gmail.com> | 2020-05-09 17:25:09 +0300 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2020-07-07 23:09:22 +0300 |
| commit | 3a217346051ac8876d63becd12b6ddb7a72e82f9 (patch) | |
| tree | 9ccdc5a37e725bc0baf48e50597e452133d0e7ff | |
| parent | 0a7ba7c53c19d24f8de76082ba567a1eb2a04f96 (diff) | |
| download | u-boot-3a217346051ac8876d63becd12b6ddb7a72e82f9.tar.xz | |
clk: actions: Add Ethernet clocks
This commit adds clocks needed for ethernet operations for
Actions OWL family of SoCs (S700 and S900).
Signed-off-by: Amit Singh Tomar <amittomer25@gmail.com>
| -rw-r--r-- | arch/arm/include/asm/arch-owl/regs_s700.h | 2 | ||||
| -rw-r--r-- | arch/arm/include/asm/arch-owl/regs_s900.h | 4 | ||||
| -rw-r--r-- | drivers/clk/owl/clk_owl.c | 9 | ||||
| -rw-r--r-- | drivers/clk/owl/clk_owl.h | 2 |
4 files changed, 15 insertions, 2 deletions
diff --git a/arch/arm/include/asm/arch-owl/regs_s700.h b/arch/arm/include/asm/arch-owl/regs_s700.h index 2f21c15cca..90459ae95e 100644 --- a/arch/arm/include/asm/arch-owl/regs_s700.h +++ b/arch/arm/include/asm/arch-owl/regs_s700.h @@ -53,4 +53,6 @@ #define CMU_CVBSPLL 0x00B8 #define CMU_SSTSCLK 0x00C0 +#define CMU_DEVCLKEN1_ETH BIT(23) + #endif diff --git a/arch/arm/include/asm/arch-owl/regs_s900.h b/arch/arm/include/asm/arch-owl/regs_s900.h index 9e9106ddaa..084bc9b8c3 100644 --- a/arch/arm/include/asm/arch-owl/regs_s900.h +++ b/arch/arm/include/asm/arch-owl/regs_s900.h @@ -61,4 +61,8 @@ #define CMU_TVOUTPLLDEBUG0 (0x00EC) #define CMU_TVOUTPLLDEBUG1 (0x00FC) +#define CMU_DEVCLKEN1_ETH BIT(22) +#define CLK_ETHERNET CLK_ETH_MAC +#define CMU_ETHERNETPLL CMU_ASSISTPLL + #endif diff --git a/drivers/clk/owl/clk_owl.c b/drivers/clk/owl/clk_owl.c index 9715fce162..1999c87a33 100644 --- a/drivers/clk/owl/clk_owl.c +++ b/drivers/clk/owl/clk_owl.c @@ -87,6 +87,11 @@ int owl_clk_enable(struct clk *clk) /* Enable UART3 interface clock */ setbits_le32(priv->base + CMU_DEVCLKEN1, CMU_DEVCLKEN1_UART3); break; + case CLK_RMII_REF: + case CLK_ETHERNET: + setbits_le32(priv->base + CMU_DEVCLKEN1, CMU_DEVCLKEN1_ETH); + setbits_le32(priv->base + CMU_ETHERNETPLL, 5); + break; default: return -EINVAL; } @@ -112,6 +117,10 @@ int owl_clk_disable(struct clk *clk) /* Disable UART3 interface clock */ clrbits_le32(priv->base + CMU_DEVCLKEN1, CMU_DEVCLKEN1_UART3); break; + case CLK_RMII_REF: + case CLK_ETHERNET: + clrbits_le32(priv->base + CMU_DEVCLKEN1, CMU_DEVCLKEN1_ETH); + break; default: return -EINVAL; } diff --git a/drivers/clk/owl/clk_owl.h b/drivers/clk/owl/clk_owl.h index cf896bdb98..a01f81a6a7 100644 --- a/drivers/clk/owl/clk_owl.h +++ b/drivers/clk/owl/clk_owl.h @@ -62,6 +62,4 @@ struct owl_clk_priv { #define CMU_DEVCLKEN1_UART5 BIT(21) #define CMU_DEVCLKEN1_UART3 BIT(11) -#define CMU_DEVCLKEN1_ETH_S700 BIT(23) - #endif |