dany/u-boot-megous
1
0
Fork 0
mirror of https://xff.cz/git/u-boot/ synced 2025-09-06 19:22:11 +02:00
Code Issues Packages Projects Releases Wiki Activity

clk: actions: Add Ethernet clocks

Browse Source 
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>
This commit is contained in:
Amit Singh Tomar
2020-05-09 19:55:09 +05:30
committed by Tom Rini
parent 0a7ba7c53c
commit 3a21734605
4 changed files with 15 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/include/asm/arch-owl/regs_s700.h
View File

@@ -53,4 +53,6 @@
#define CMU_CVBSPLL 0x00B8 #define CMU_CVBSPLL 0x00B8
#define CMU_SSTSCLK 0x00C0 #define CMU_SSTSCLK 0x00C0
#define CMU_DEVCLKEN1_ETH BIT(23)
#endif #endif

4
arch/arm/include/asm/arch-owl/regs_s900.h
View File

@@ -61,4 +61,8 @@
#define CMU_TVOUTPLLDEBUG0 (0x00EC) #define CMU_TVOUTPLLDEBUG0 (0x00EC)
#define CMU_TVOUTPLLDEBUG1 (0x00FC) #define CMU_TVOUTPLLDEBUG1 (0x00FC)
#define CMU_DEVCLKEN1_ETH BIT(22)
#define CLK_ETHERNET CLK_ETH_MAC
#define CMU_ETHERNETPLL CMU_ASSISTPLL
#endif #endif

9
drivers/clk/owl/clk_owl.c
View File

@@ -87,6 +87,11 @@ int owl_clk_enable(struct clk *clk)
/* Enable UART3 interface clock */ /* Enable UART3 interface clock */
setbits_le32(priv->base + CMU_DEVCLKEN1, CMU_DEVCLKEN1_UART3); setbits_le32(priv->base + CMU_DEVCLKEN1, CMU_DEVCLKEN1_UART3);
break; 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: default:
return -EINVAL; return -EINVAL;
} }
@@ -112,6 +117,10 @@ int owl_clk_disable(struct clk *clk)
/* Disable UART3 interface clock */ /* Disable UART3 interface clock */
clrbits_le32(priv->base + CMU_DEVCLKEN1, CMU_DEVCLKEN1_UART3); clrbits_le32(priv->base + CMU_DEVCLKEN1, CMU_DEVCLKEN1_UART3);
break; break;
case CLK_RMII_REF:
case CLK_ETHERNET:
clrbits_le32(priv->base + CMU_DEVCLKEN1, CMU_DEVCLKEN1_ETH);
break;
default: default:
return -EINVAL; return -EINVAL;
} }

2
drivers/clk/owl/clk_owl.h
View File

@@ -62,6 +62,4 @@ struct owl_clk_priv {
#define CMU_DEVCLKEN1_UART5 BIT(21) #define CMU_DEVCLKEN1_UART5 BIT(21)
#define CMU_DEVCLKEN1_UART3 BIT(11) #define CMU_DEVCLKEN1_UART3 BIT(11)
#define CMU_DEVCLKEN1_ETH_S700 BIT(23)
#endif #endif