From 3a217346051ac8876d63becd12b6ddb7a72e82f9 Mon Sep 17 00:00:00 2001 From: Amit Singh Tomar Date: Sat, 9 May 2020 19:55:09 +0530 Subject: [PATCH] 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 --- arch/arm/include/asm/arch-owl/regs_s700.h | 2 ++ arch/arm/include/asm/arch-owl/regs_s900.h | 4 ++++ drivers/clk/owl/clk_owl.c | 9 +++++++++ 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 2f21c15..90459ae 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 9e9106d..084bc9b 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 9715fce..1999c87 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 cf896bd..a01f81a 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 -- 2.7.4